| Estimates of the Resident Population by Selected Age Groups and Sex for Counties: April 1, 2010 to July 1, 2011 | ||||||||||||||||||||||||||||||||||||||||||
| Source: U.S. Census Bureau | ||||||||||||||||||||||||||||||||||||||||||
| Area Name | Year | Total | UNDER 5 | AGE 5 to 13 | AGE 14 to 17 | AGE 18 to 24 | AGE 16 PLUS | AGE18 PLUS | AGE 15 to 44 | AGE 25 to 44 | AGE 45 to 64 | AGE 65 PLUS | AGE 85 PLUS | MEDIAN AGE | Area Name | |||||||||||||||||||||||||||
| Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | Both Sexes | Male | Female | ||||
| Wyoming | April 1, 2010 Census | 563,626 | 287,437 | 276,189 | 40,203 | 20,596 | 19,607 | 66,191 | 34,173 | 32,018 | 29,008 | 15,007 | 14,001 | 56,429 | 29,556 | 26,873 | 443,141 | 225,399 | 217,742 | 428,224 | 217,661 | 210,563 | 223,075 | 116,463 | 106,612 | 144,615 | 75,522 | 69,093 | 157,090 | 79,969 | 77,121 | 70,090 | 32,614 | 37,476 | 8,602 | 3,053 | 5,549 | 36.8 | 36.0 | 37.7 | Wyoming | |
| Wyoming | July 1, 2010 Estimate | 564,554 | 287,935 | 276,619 | 40,106 | 20,545 | 19,561 | 66,136 | 34,142 | 31,994 | 28,913 | 14,957 | 13,956 | 56,735 | 29,714 | 27,021 | 444,270 | 226,006 | 218,264 | 429,399 | 218,291 | 211,108 | 223,362 | 116,618 | 106,744 | 144,659 | 75,551 | 69,108 | 157,504 | 80,192 | 77,312 | 70,501 | 32,834 | 37,667 | 8,687 | 3,090 | 5,597 | 36.9 | 36.1 | 37.7 | Wyoming | |
| Wyoming | July 1, 2011 Estimate | 568,158 | 289,757 | 278,401 | 39,549 | 20,126 | 19,423 | 66,706 | 34,481 | 32,225 | 28,682 | 14,745 | 13,937 | 57,229 | 30,046 | 27,183 | 447,745 | 227,907 | 219,838 | 433,221 | 220,405 | 212,816 | 224,373 | 117,282 | 107,091 | 145,669 | 76,136 | 69,533 | 158,056 | 80,419 | 77,637 | 72,267 | 33,804 | 38,463 | 8,933 | 3,186 | 5,747 | 36.9 | 36.2 | 37.8 | Wyoming | |
| Albany County | April 1, 2010 Census | 36,299 | 18,897 | 17,402 | 2,040 | 1,057 | 983 | 2,744 | 1,441 | 1,303 | 1,253 | 643 | 610 | 10,480 | 5,547 | 4,933 | 30,903 | 16,093 | 14,810 | 30,262 | 15,756 | 14,506 | 20,734 | 11,107 | 9,627 | 9,300 | 5,075 | 4,225 | 7,316 | 3,650 | 3,666 | 3,166 | 1,484 | 1,682 | 424 | 158 | 266 | 26.8 | 26.4 | 27.4 | Albany County | |
| Albany County | July 1, 2010 Estimate | 36,444 | 18,964 | 17,480 | 2,003 | 1,038 | 965 | 2,702 | 1,419 | 1,283 | 1,231 | 632 | 599 | 10,916 | 5,770 | 5,146 | 31,139 | 16,207 | 14,932 | 30,508 | 15,875 | 14,633 | 21,030 | 11,253 | 9,777 | 9,175 | 5,005 | 4,170 | 7,220 | 3,601 | 3,619 | 3,197 | 1,499 | 1,698 | 431 | 161 | 270 | 26.5 | 26.1 | 27.0 | Albany County | |
| Albany County | July 1, 2011 Estimate | 36,889 | 19,172 | 17,717 | 1,966 | 1,037 | 929 | 2,737 | 1,416 | 1,321 | 1,222 | 612 | 610 | 11,351 | 5,949 | 5,402 | 31,584 | 16,406 | 15,178 | 30,964 | 16,107 | 14,857 | 21,372 | 11,409 | 9,963 | 9,104 | 5,001 | 4,103 | 7,184 | 3,582 | 3,602 | 3,325 | 1,575 | 1,750 | 453 | 173 | 280 | 26.6 | 26.4 | 27.0 | Albany County | |
| Big Horn County | April 1, 2010 Census | 11,668 | 5,882 | 5,786 | 787 | 396 | 391 | 1,492 | 737 | 755 | 734 | 372 | 362 | 817 | 462 | 355 | 9,013 | 4,569 | 4,444 | 8,655 | 4,377 | 4,278 | 3,786 | 1,949 | 1,837 | 2,418 | 1,202 | 1,216 | 3,312 | 1,684 | 1,628 | 2,108 | 1,029 | 1,079 | 252 | 96 | 156 | 41.8 | 41.1 | 42.4 | Big Horn County | |
| Big Horn County | July 1, 2010 Estimate | 11,696 | 5,898 | 5,798 | 787 | 396 | 391 | 1,493 | 738 | 755 | 734 | 372 | 362 | 818 | 462 | 356 | 9,040 | 4,584 | 4,456 | 8,682 | 4,392 | 4,290 | 3,792 | 1,952 | 1,840 | 2,423 | 1,205 | 1,218 | 3,329 | 1,693 | 1,636 | 2,112 | 1,032 | 1,080 | 254 | 97 | 157 | 41.8 | 41.2 | 42.4 | Big Horn County | |
| Big Horn County | July 1, 2011 Estimate | 11,759 | 5,896 | 5,863 | 757 | 366 | 391 | 1,507 | 729 | 778 | 731 | 383 | 348 | 860 | 475 | 385 | 9,137 | 4,614 | 4,523 | 8,764 | 4,418 | 4,346 | 3,850 | 1,967 | 1,883 | 2,433 | 1,210 | 1,223 | 3,336 | 1,687 | 1,649 | 2,135 | 1,046 | 1,089 | 269 | 118 | 151 | 41.9 | 41.6 | 42.3 | Big Horn County | |
| Campbell County | April 1, 2010 Census | 46,133 | 24,258 | 21,875 | 4,063 | 2,040 | 2,023 | 6,311 | 3,314 | 2,997 | 2,608 | 1,381 | 1,227 | 4,518 | 2,387 | 2,131 | 34,471 | 18,219 | 16,252 | 33,151 | 17,523 | 15,628 | 20,117 | 10,762 | 9,355 | 13,644 | 7,333 | 6,311 | 12,373 | 6,605 | 5,768 | 2,616 | 1,198 | 1,418 | 215 | 71 | 144 | 31.9 | 31.8 | 31.9 | Campbell County | |
| Campbell County | July 1, 2010 Estimate | 46,228 | 24,313 | 21,915 | 4,062 | 2,039 | 2,023 | 6,317 | 3,317 | 3,000 | 2,604 | 1,379 | 1,225 | 4,508 | 2,384 | 2,124 | 34,563 | 18,273 | 16,290 | 33,245 | 17,578 | 15,667 | 20,141 | 10,777 | 9,364 | 13,680 | 7,352 | 6,328 | 12,415 | 6,630 | 5,785 | 2,642 | 1,212 | 1,430 | 218 | 72 | 146 | 31.9 | 31.9 | 32.0 | Campbell County | |
| Campbell County | July 1, 2011 Estimate | 46,618 | 24,359 | 22,259 | 4,054 | 2,028 | 2,026 | 6,440 | 3,361 | 3,079 | 2,585 | 1,344 | 1,241 | 4,397 | 2,284 | 2,113 | 34,842 | 18,306 | 16,536 | 33,539 | 17,626 | 15,913 | 20,135 | 10,685 | 9,450 | 13,786 | 7,386 | 6,400 | 12,604 | 6,680 | 5,924 | 2,752 | 1,276 | 1,476 | 249 | 85 | 164 | 32.2 | 32.2 | 32.2 | Campbell County | |
| Carbon County | April 1, 2010 Census | 15,885 | 8,553 | 7,332 | 1,133 | 602 | 531 | 1,854 | 980 | 874 | 764 | 410 | 354 | 1,220 | 686 | 534 | 12,519 | 6,774 | 5,745 | 12,134 | 6,561 | 5,573 | 5,954 | 3,343 | 2,611 | 4,156 | 2,339 | 1,817 | 4,714 | 2,517 | 2,197 | 2,044 | 1,019 | 1,025 | 199 | 90 | 109 | 38.9 | 38.3 | 39.7 | Carbon County | |
| Carbon County | July 1, 2010 Estimate | 15,834 | 8,527 | 7,307 | 1,126 | 598 | 528 | 1,846 | 975 | 871 | 758 | 406 | 352 | 1,214 | 684 | 530 | 12,486 | 6,759 | 5,727 | 12,104 | 6,548 | 5,556 | 5,930 | 3,330 | 2,600 | 4,142 | 2,331 | 1,811 | 4,702 | 2,511 | 2,191 | 2,046 | 1,022 | 1,024 | 200 | 91 | 109 | 39.0 | 38.4 | 39.7 | Carbon County | |
| Carbon County | July 1, 2011 Estimate | 15,786 | 8,594 | 7,192 | 1,102 | 591 | 511 | 1,829 | 972 | 857 | 758 | 400 | 358 | 1,265 | 742 | 523 | 12,478 | 6,842 | 5,636 | 12,097 | 6,631 | 5,466 | 5,980 | 3,417 | 2,563 | 4,156 | 2,373 | 1,783 | 4,619 | 2,492 | 2,127 | 2,057 | 1,024 | 1,033 | 197 | 84 | 113 | 38.6 | 38.0 | 39.4 | Carbon County | |
| Converse County | April 1, 2010 Census | 13,833 | 7,017 | 6,816 | 970 | 519 | 451 | 1,732 | 885 | 847 | 810 | 411 | 399 | 1,026 | 531 | 495 | 10,771 | 5,433 | 5,338 | 10,321 | 5,202 | 5,119 | 5,082 | 2,578 | 2,504 | 3,442 | 1,732 | 1,710 | 4,077 | 2,114 | 1,963 | 1,776 | 825 | 951 | 188 | 70 | 118 | 39.0 | 38.6 | 39.5 | Converse County | |
| Converse County | July 1, 2010 Estimate | 13,830 | 7,016 | 6,814 | 968 | 518 | 450 | 1,728 | 883 | 845 | 807 | 410 | 397 | 1,022 | 529 | 493 | 10,775 | 5,435 | 5,340 | 10,327 | 5,205 | 5,122 | 5,073 | 2,575 | 2,498 | 3,439 | 1,732 | 1,707 | 4,081 | 2,115 | 1,966 | 1,785 | 829 | 956 | 190 | 71 | 119 | 39.1 | 38.6 | 39.6 | Converse County | |
| Converse County | July 1, 2011 Estimate | 13,755 | 6,972 | 6,783 | 961 | 505 | 456 | 1,699 | 878 | 821 | 756 | 390 | 366 | 1,068 | 560 | 508 | 10,726 | 5,399 | 5,327 | 10,339 | 5,199 | 5,140 | 5,021 | 2,546 | 2,475 | 3,379 | 1,694 | 1,685 | 4,067 | 2,097 | 1,970 | 1,825 | 848 | 977 | 199 | 79 | 120 | 39.5 | 39.0 | 40.1 | Converse County | |
| Crook County | April 1, 2010 Census | 7,083 | 3,648 | 3,435 | 500 | 265 | 235 | 794 | 411 | 383 | 395 | 223 | 172 | 455 | 257 | 198 | 5,598 | 2,863 | 2,735 | 5,394 | 2,749 | 2,645 | 2,284 | 1,204 | 1,080 | 1,529 | 780 | 749 | 2,260 | 1,134 | 1,126 | 1,150 | 578 | 572 | 114 | 42 | 72 | 43.6 | 42.5 | 44.5 | Crook County | |
| Crook County | July 1, 2010 Estimate | 7,115 | 3,664 | 3,451 | 500 | 265 | 235 | 794 | 411 | 383 | 395 | 223 | 172 | 456 | 257 | 199 | 5,630 | 2,879 | 2,751 | 5,426 | 2,765 | 2,661 | 2,298 | 1,210 | 1,088 | 1,542 | 786 | 756 | 2,275 | 1,142 | 1,133 | 1,153 | 580 | 573 | 114 | 42 | 72 | 43.6 | 42.6 | 44.5 | Crook County | |
| Crook County | July 1, 2011 Estimate | 7,111 | 3,638 | 3,473 | 500 | 264 | 236 | 767 | 402 | 365 | 385 | 202 | 183 | 491 | 265 | 226 | 5,651 | 2,877 | 2,774 | 5,459 | 2,770 | 2,689 | 2,292 | 1,203 | 1,089 | 1,509 | 773 | 736 | 2,293 | 1,157 | 1,136 | 1,166 | 575 | 591 | 116 | 44 | 72 | 43.8 | 42.7 | 44.8 | Crook County | |
| Fremont County | April 1, 2010 Census | 40,123 | 20,030 | 20,093 | 3,145 | 1,591 | 1,554 | 4,938 | 2,554 | 2,384 | 2,129 | 1,083 | 1,046 | 3,518 | 1,815 | 1,703 | 31,010 | 15,352 | 15,658 | 29,911 | 14,802 | 15,109 | 14,462 | 7,370 | 7,092 | 9,339 | 4,734 | 4,605 | 11,249 | 5,557 | 5,692 | 5,805 | 2,696 | 3,109 | 663 | 250 | 413 | 38.5 | 37.5 | 39.5 | Fremont County | |
| Fremont County | July 1, 2010 Estimate | 40,273 | 20,107 | 20,166 | 3,148 | 1,594 | 1,554 | 4,952 | 2,562 | 2,390 | 2,127 | 1,082 | 1,045 | 3,504 | 1,808 | 1,696 | 31,144 | 15,419 | 15,725 | 30,046 | 14,869 | 15,177 | 14,489 | 7,384 | 7,105 | 9,381 | 4,755 | 4,626 | 11,335 | 5,602 | 5,733 | 5,826 | 2,704 | 3,122 | 668 | 252 | 416 | 38.6 | 37.6 | 39.6 | Fremont County | |
| Fremont County | July 1, 2011 Estimate | 40,579 | 20,203 | 20,376 | 3,092 | 1,564 | 1,528 | 5,104 | 2,624 | 2,480 | 2,089 | 1,080 | 1,009 | 3,533 | 1,805 | 1,728 | 31,320 | 15,465 | 15,855 | 30,294 | 14,935 | 15,359 | 14,517 | 7,362 | 7,155 | 9,437 | 4,772 | 4,665 | 11,401 | 5,628 | 5,773 | 5,923 | 2,730 | 3,193 | 700 | 265 | 435 | 38.5 | 37.4 | 39.6 | Fremont County | |
| Goshen County | April 1, 2010 Census | 13,249 | 6,906 | 6,343 | 700 | 364 | 336 | 1,342 | 708 | 634 | 659 | 339 | 320 | 1,336 | 724 | 612 | 10,901 | 5,662 | 5,239 | 10,548 | 5,495 | 5,053 | 4,657 | 2,532 | 2,125 | 2,818 | 1,561 | 1,257 | 3,894 | 2,055 | 1,839 | 2,500 | 1,155 | 1,345 | 394 | 138 | 256 | 43.6 | 42.0 | 45.2 | Goshen County | |
| Goshen County | July 1, 2010 Estimate | 13,423 | 7,043 | 6,380 | 701 | 364 | 337 | 1,349 | 711 | 638 | 661 | 340 | 321 | 1,359 | 744 | 615 | 11,067 | 5,796 | 5,271 | 10,712 | 5,628 | 5,084 | 4,749 | 2,610 | 2,139 | 2,885 | 1,618 | 1,267 | 3,966 | 2,108 | 1,858 | 2,502 | 1,158 | 1,344 | 396 | 139 | 257 | 43.5 | 41.9 | 45.2 | Goshen County | |
| Goshen County | July 1, 2011 Estimate | 13,536 | 7,064 | 6,472 | 751 | 379 | 372 | 1,316 | 695 | 621 | 677 | 332 | 345 | 1,402 | 757 | 645 | 11,134 | 5,827 | 5,307 | 10,792 | 5,658 | 5,134 | 4,831 | 2,658 | 2,173 | 2,929 | 1,646 | 1,283 | 3,952 | 2,097 | 1,855 | 2,509 | 1,158 | 1,351 | 385 | 125 | 260 | 42.9 | 41.4 | 44.6 | Goshen County | |
| Hot Springs County | April 1, 2010 Census | 4,812 | 2,377 | 2,435 | 252 | 118 | 134 | 491 | 259 | 232 | 221 | 120 | 101 | 313 | 159 | 154 | 3,955 | 1,945 | 2,010 | 3,848 | 1,880 | 1,968 | 1,367 | 718 | 649 | 895 | 466 | 429 | 1,552 | 744 | 808 | 1,088 | 511 | 577 | 130 | 51 | 79 | 48.6 | 47.2 | 49.9 | Hot Springs County | |
| Hot Springs County | July 1, 2010 Estimate | 4,809 | 2,374 | 2,435 | 252 | 118 | 134 | 491 | 259 | 232 | 221 | 120 | 101 | 313 | 159 | 154 | 3,952 | 1,942 | 2,010 | 3,845 | 1,877 | 1,968 | 1,364 | 717 | 647 | 892 | 465 | 427 | 1,551 | 742 | 809 | 1,089 | 511 | 578 | 130 | 51 | 79 | 48.7 | 47.3 | 50.0 | Hot Springs County | |
| Hot Springs County | July 1, 2011 Estimate | 4,799 | 2,381 | 2,418 | 260 | 126 | 134 | 472 | 259 | 213 | 206 | 98 | 108 | 315 | 172 | 143 | 3,955 | 1,950 | 2,005 | 3,861 | 1,898 | 1,963 | 1,359 | 718 | 641 | 893 | 469 | 424 | 1,562 | 752 | 810 | 1,091 | 505 | 586 | 132 | 49 | 83 | 49.1 | 47.2 | 50.6 | Hot Springs County | |
| Johnson County | April 1, 2010 Census | 8,569 | 4,365 | 4,204 | 573 | 318 | 255 | 893 | 440 | 453 | 430 | 219 | 211 | 500 | 261 | 239 | 6,885 | 3,495 | 3,390 | 6,673 | 3,388 | 3,285 | 2,747 | 1,406 | 1,341 | 1,906 | 970 | 936 | 2,679 | 1,385 | 1,294 | 1,588 | 772 | 816 | 220 | 89 | 131 | 44.8 | 44.4 | 45.1 | Johnson County | |
| Johnson County | July 1, 2010 Estimate | 8,577 | 4,367 | 4,210 | 573 | 318 | 255 | 893 | 440 | 453 | 430 | 219 | 211 | 499 | 260 | 239 | 6,893 | 3,497 | 3,396 | 6,681 | 3,390 | 3,291 | 2,742 | 1,403 | 1,339 | 1,902 | 968 | 934 | 2,684 | 1,387 | 1,297 | 1,596 | 775 | 821 | 222 | 90 | 132 | 44.9 | 44.5 | 45.2 | Johnson County | |
| Johnson County | July 1, 2011 Estimate | 8,642 | 4,387 | 4,255 | 559 | 307 | 252 | 910 | 463 | 447 | 433 | 211 | 222 | 506 | 252 | 254 | 6,978 | 3,522 | 3,456 | 6,740 | 3,406 | 3,334 | 2,784 | 1,410 | 1,374 | 1,952 | 998 | 954 | 2,651 | 1,363 | 1,288 | 1,631 | 793 | 838 | 233 | 94 | 139 | 44.6 | 44.1 | 45.0 | Johnson County | |
| Laramie County | April 1, 2010 Census | 91,738 | 45,875 | 45,863 | 6,727 | 3,425 | 3,302 | 11,006 | 5,639 | 5,367 | 4,668 | 2,383 | 2,285 | 8,916 | 4,638 | 4,278 | 71,757 | 35,648 | 36,109 | 69,337 | 34,428 | 34,909 | 36,216 | 18,616 | 17,600 | 23,746 | 12,177 | 11,569 | 25,170 | 12,442 | 12,728 | 11,505 | 5,171 | 6,334 | 1,465 | 476 | 989 | 37.0 | 36.0 | 38.0 | Laramie County | |
| Laramie County | July 1, 2010 Estimate | 92,130 | 46,056 | 46,074 | 6,742 | 3,431 | 3,311 | 11,043 | 5,656 | 5,387 | 4,662 | 2,380 | 2,282 | 8,885 | 4,619 | 4,266 | 72,098 | 35,807 | 36,291 | 69,683 | 34,589 | 35,094 | 36,283 | 18,640 | 17,643 | 23,850 | 12,222 | 11,628 | 25,353 | 12,529 | 12,824 | 11,595 | 5,219 | 6,376 | 1,482 | 484 | 998 | 37.1 | 36.0 | 38.1 | Laramie County | |
| Laramie County | July 1, 2011 Estimate | 92,680 | 46,482 | 46,198 | 6,622 | 3,334 | 3,288 | 11,047 | 5,645 | 5,402 | 4,572 | 2,381 | 2,191 | 8,872 | 4,716 | 4,156 | 72,763 | 36,328 | 36,435 | 70,439 | 35,122 | 35,317 | 36,326 | 18,837 | 17,489 | 24,006 | 12,326 | 11,680 | 25,582 | 12,671 | 12,911 | 11,979 | 5,409 | 6,570 | 1,532 | 495 | 1,037 | 37.3 | 36.1 | 38.5 | Laramie County | |
| Lincoln County | April 1, 2010 Census | 18,106 | 9,302 | 8,804 | 1,449 | 761 | 688 | 2,536 | 1,322 | 1,214 | 1,119 | 586 | 533 | 1,133 | 581 | 552 | 13,598 | 6,946 | 6,652 | 13,002 | 6,633 | 6,369 | 6,494 | 3,333 | 3,161 | 4,513 | 2,320 | 2,193 | 5,115 | 2,623 | 2,492 | 2,241 | 1,109 | 1,132 | 229 | 89 | 140 | 37.4 | 36.9 | 38.0 | Lincoln County | |
| Lincoln County | July 1, 2010 Estimate | 18,100 | 9,298 | 8,802 | 1,442 | 757 | 685 | 2,532 | 1,320 | 1,212 | 1,114 | 583 | 531 | 1,128 | 579 | 549 | 13,606 | 6,950 | 6,656 | 13,012 | 6,638 | 6,374 | 6,479 | 3,325 | 3,154 | 4,506 | 2,316 | 2,190 | 5,119 | 2,625 | 2,494 | 2,259 | 1,118 | 1,141 | 232 | 90 | 142 | 37.5 | 37.0 | 38.0 | Lincoln County | |
| Lincoln County | July 1, 2011 Estimate | 18,071 | 9,232 | 8,839 | 1,357 | 700 | 657 | 2,523 | 1,305 | 1,218 | 1,070 | 545 | 525 | 1,164 | 612 | 552 | 13,671 | 6,951 | 6,720 | 13,121 | 6,682 | 6,439 | 6,388 | 3,268 | 3,120 | 4,419 | 2,243 | 2,176 | 5,203 | 2,645 | 2,558 | 2,335 | 1,182 | 1,153 | 244 | 93 | 151 | 38.1 | 37.8 | 38.3 | Lincoln County | |
| Natrona County | April 1, 2010 Census | 75,450 | 37,982 | 37,468 | 5,377 | 2,770 | 2,607 | 8,697 | 4,488 | 4,209 | 3,946 | 2,035 | 1,911 | 7,263 | 3,719 | 3,544 | 59,431 | 29,709 | 29,722 | 57,430 | 28,689 | 28,741 | 30,110 | 15,512 | 14,598 | 19,879 | 10,284 | 9,595 | 20,896 | 10,609 | 10,287 | 9,392 | 4,077 | 5,315 | 1,285 | 444 | 841 | 36.8 | 35.8 | 37.9 | Natrona County | |
| Natrona County | July 1, 2010 Estimate | 75,474 | 37,998 | 37,476 | 5,365 | 2,764 | 2,601 | 8,689 | 4,483 | 4,206 | 3,932 | 2,028 | 1,904 | 7,239 | 3,703 | 3,536 | 59,483 | 29,740 | 29,743 | 57,488 | 28,723 | 28,765 | 30,079 | 15,496 | 14,583 | 19,881 | 10,288 | 9,593 | 20,950 | 10,635 | 10,315 | 9,418 | 4,097 | 5,321 | 1,294 | 448 | 846 | 36.9 | 35.8 | 38.0 | Natrona County | |
| Natrona County | July 1, 2011 Estimate | 76,366 | 38,477 | 37,889 | 5,361 | 2,749 | 2,612 | 8,875 | 4,576 | 4,299 | 3,901 | 1,997 | 1,904 | 7,224 | 3,684 | 3,540 | 60,200 | 30,147 | 30,053 | 58,229 | 29,155 | 29,074 | 30,577 | 15,780 | 14,797 | 20,392 | 10,566 | 9,826 | 21,076 | 10,718 | 10,358 | 9,537 | 4,187 | 5,350 | 1,334 | 460 | 874 | 36.7 | 35.9 | 37.7 | Natrona County | |
| Niobrara County | April 1, 2010 Census | 2,484 | 1,159 | 1,325 | 96 | 46 | 50 | 256 | 145 | 111 | 118 | 68 | 50 | 145 | 63 | 82 | 2,075 | 934 | 1,141 | 2,014 | 900 | 1,114 | 827 | 352 | 475 | 590 | 236 | 354 | 766 | 366 | 400 | 513 | 235 | 278 | 52 | 16 | 36 | 46.1 | 46.9 | 45.7 | Niobrara County | |
| Niobrara County | July 1, 2010 Estimate | 2,490 | 1,161 | 1,329 | 96 | 46 | 50 | 256 | 145 | 111 | 118 | 68 | 50 | 145 | 63 | 82 | 2,081 | 936 | 1,145 | 2,020 | 902 | 1,118 | 827 | 352 | 475 | 590 | 236 | 354 | 770 | 368 | 402 | 515 | 235 | 280 | 53 | 16 | 37 | 46.2 | 47.0 | 45.8 | Niobrara County | |
| Niobrara County | July 1, 2011 Estimate | 2,491 | 1,164 | 1,327 | 94 | 49 | 45 | 232 | 143 | 89 | 113 | 56 | 57 | 167 | 76 | 91 | 2,104 | 946 | 1,158 | 2,052 | 916 | 1,136 | 849 | 367 | 482 | 604 | 247 | 357 | 756 | 351 | 405 | 525 | 242 | 283 | 51 | 16 | 35 | 46.1 | 46.0 | 46.2 | Niobrara County | |
| Park County | April 1, 2010 Census | 28,205 | 14,021 | 14,184 | 1,639 | 845 | 794 | 2,897 | 1,515 | 1,382 | 1,375 | 691 | 684 | 2,495 | 1,310 | 1,185 | 22,981 | 11,328 | 11,653 | 22,294 | 10,970 | 11,324 | 9,642 | 4,865 | 4,777 | 6,113 | 3,039 | 3,074 | 8,744 | 4,310 | 4,434 | 4,942 | 2,311 | 2,631 | 659 | 222 | 437 | 43.6 | 42.4 | 44.8 | Park County | |
| Park County | July 1, 2010 Estimate | 28,269 | 14,053 | 14,216 | 1,636 | 843 | 793 | 2,896 | 1,515 | 1,381 | 1,371 | 689 | 682 | 2,491 | 1,307 | 1,184 | 23,051 | 11,363 | 11,688 | 22,366 | 11,006 | 11,360 | 9,644 | 4,865 | 4,779 | 6,121 | 3,043 | 3,078 | 8,775 | 4,327 | 4,448 | 4,979 | 2,329 | 2,650 | 666 | 225 | 441 | 43.7 | 42.5 | 44.9 | Park County | |
| Park County | July 1, 2011 Estimate | 28,592 | 14,190 | 14,402 | 1,610 | 808 | 802 | 2,945 | 1,548 | 1,397 | 1,339 | 672 | 667 | 2,523 | 1,310 | 1,213 | 23,366 | 11,493 | 11,873 | 22,698 | 11,162 | 11,536 | 9,833 | 4,958 | 4,875 | 6,305 | 3,147 | 3,158 | 8,733 | 4,292 | 4,441 | 5,137 | 2,413 | 2,724 | 690 | 226 | 464 | 43.6 | 42.5 | 44.8 | Park County | |
| Platte County | April 1, 2010 Census | 8,667 | 4,303 | 4,364 | 427 | 200 | 227 | 881 | 430 | 451 | 457 | 225 | 232 | 535 | 301 | 234 | 7,142 | 3,568 | 3,574 | 6,902 | 3,448 | 3,454 | 2,629 | 1,337 | 1,292 | 1,729 | 859 | 870 | 2,841 | 1,427 | 1,414 | 1,797 | 861 | 936 | 211 | 69 | 142 | 47.5 | 47.2 | 47.8 | Platte County | |
| Platte County | July 1, 2010 Estimate | 8,695 | 4,317 | 4,378 | 427 | 200 | 227 | 881 | 430 | 451 | 457 | 225 | 232 | 535 | 301 | 234 | 7,170 | 3,582 | 3,588 | 6,930 | 3,462 | 3,468 | 2,629 | 1,337 | 1,292 | 1,729 | 859 | 870 | 2,850 | 1,431 | 1,419 | 1,816 | 871 | 945 | 214 | 70 | 144 | 47.6 | 47.3 | 47.9 | Platte County | |
| Platte County | July 1, 2011 Estimate | 8,796 | 4,419 | 4,377 | 407 | 187 | 220 | 868 | 440 | 428 | 446 | 216 | 230 | 565 | 313 | 252 | 7,316 | 3,694 | 3,622 | 7,075 | 3,576 | 3,499 | 2,645 | 1,377 | 1,268 | 1,742 | 895 | 847 | 2,871 | 1,444 | 1,427 | 1,897 | 924 | 973 | 201 | 68 | 133 | 48.2 | 47.6 | 48.6 | Platte County | |
| Sheridan County | April 1, 2010 Census | 29,116 | 14,565 | 14,551 | 1,865 | 932 | 933 | 3,153 | 1,644 | 1,509 | 1,467 | 755 | 712 | 2,313 | 1,128 | 1,185 | 23,430 | 11,655 | 11,775 | 22,631 | 11,234 | 11,397 | 10,217 | 5,177 | 5,040 | 6,743 | 3,447 | 3,296 | 9,027 | 4,535 | 4,492 | 4,548 | 2,124 | 2,424 | 631 | 231 | 400 | 41.9 | 41.2 | 42.8 | Sheridan County | |
| Sheridan County | July 1, 2010 Estimate | 29,147 | 14,582 | 14,565 | 1,859 | 929 | 930 | 3,150 | 1,643 | 1,507 | 1,463 | 753 | 710 | 2,308 | 1,126 | 1,182 | 23,472 | 11,677 | 11,795 | 22,675 | 11,257 | 11,418 | 10,211 | 5,174 | 5,037 | 6,744 | 3,447 | 3,297 | 9,053 | 4,548 | 4,505 | 4,570 | 2,136 | 2,434 | 637 | 234 | 403 | 42.0 | 41.3 | 42.9 | Sheridan County | |
| Sheridan County | July 1, 2011 Estimate | 29,239 | 14,627 | 14,612 | 1,792 | 897 | 895 | 3,184 | 1,638 | 1,546 | 1,431 | 743 | 688 | 2,354 | 1,176 | 1,178 | 23,587 | 11,751 | 11,836 | 22,832 | 11,349 | 11,483 | 10,180 | 5,155 | 5,025 | 6,763 | 3,424 | 3,339 | 9,048 | 4,555 | 4,493 | 4,667 | 2,194 | 2,473 | 655 | 242 | 413 | 42.1 | 41.6 | 42.9 | Sheridan County | |
| Sublette County | April 1, 2010 Census | 10,247 | 5,550 | 4,697 | 720 | 381 | 339 | 1,180 | 577 | 603 | 528 | 283 | 245 | 750 | 422 | 328 | 8,088 | 4,443 | 3,645 | 7,819 | 4,309 | 3,510 | 4,030 | 2,262 | 1,768 | 2,885 | 1,624 | 1,261 | 3,145 | 1,710 | 1,435 | 1,039 | 553 | 486 | 103 | 55 | 48 | 38.3 | 38.3 | 38.2 | Sublette County | |
| Sublette County | July 1, 2010 Estimate | 10,237 | 5,544 | 4,693 | 716 | 379 | 337 | 1,177 | 575 | 602 | 525 | 282 | 243 | 747 | 420 | 327 | 8,086 | 4,441 | 3,645 | 7,819 | 4,308 | 3,511 | 4,017 | 2,255 | 1,762 | 2,877 | 1,620 | 1,257 | 3,143 | 1,709 | 1,434 | 1,052 | 559 | 493 | 105 | 56 | 49 | 38.4 | 38.4 | 38.3 | Sublette County | |
| Sublette County | July 1, 2011 Estimate | 10,146 | 5,506 | 4,640 | 685 | 358 | 327 | 1,188 | 604 | 584 | 522 | 278 | 244 | 728 | 428 | 300 | 8,028 | 4,420 | 3,608 | 7,751 | 4,266 | 3,485 | 3,924 | 2,206 | 1,718 | 2,797 | 1,566 | 1,231 | 3,124 | 1,693 | 1,431 | 1,102 | 579 | 523 | 100 | 54 | 46 | 38.9 | 38.7 | 39.1 | Sublette County | |
| Sweetwater County | April 1, 2010 Census | 43,806 | 22,849 | 20,957 | 3,666 | 1,877 | 1,789 | 5,917 | 3,100 | 2,817 | 2,286 | 1,217 | 1,069 | 4,333 | 2,224 | 2,109 | 33,088 | 17,290 | 15,798 | 31,937 | 16,655 | 15,282 | 18,373 | 9,660 | 8,713 | 12,329 | 6,530 | 5,799 | 11,632 | 6,167 | 5,465 | 3,643 | 1,734 | 1,909 | 425 | 123 | 302 | 32.8 | 32.8 | 32.9 | Sweetwater County | |
| Sweetwater County | July 1, 2010 Estimate | 43,623 | 22,752 | 20,871 | 3,641 | 1,864 | 1,777 | 5,882 | 3,082 | 2,800 | 2,269 | 1,207 | 1,062 | 4,301 | 2,209 | 2,092 | 32,974 | 17,229 | 15,745 | 31,831 | 16,599 | 15,232 | 18,269 | 9,604 | 8,665 | 12,269 | 6,496 | 5,773 | 11,593 | 6,147 | 5,446 | 3,668 | 1,747 | 1,921 | 431 | 125 | 306 | 32.9 | 32.8 | 32.9 | Sweetwater County | |
| Sweetwater County | July 1, 2011 Estimate | 44,175 | 23,067 | 21,108 | 3,616 | 1,837 | 1,779 | 5,985 | 3,112 | 2,873 | 2,375 | 1,251 | 1,124 | 4,264 | 2,257 | 2,007 | 33,348 | 17,465 | 15,883 | 32,199 | 16,867 | 15,332 | 18,508 | 9,803 | 8,705 | 12,511 | 6,637 | 5,874 | 11,648 | 6,164 | 5,484 | 3,776 | 1,809 | 1,967 | 434 | 135 | 299 | 33.0 | 33.0 | 33.1 | Sweetwater County | |
| Teton County | April 1, 2010 Census | 21,294 | 11,191 | 10,103 | 1,283 | 660 | 623 | 1,949 | 980 | 969 | 844 | 408 | 436 | 1,699 | 941 | 758 | 17,637 | 9,346 | 8,291 | 17,218 | 9,143 | 8,075 | 9,879 | 5,389 | 4,490 | 7,526 | 4,126 | 3,400 | 5,895 | 3,043 | 2,852 | 2,098 | 1,033 | 1,065 | 181 | 75 | 106 | 36.9 | 36.6 | 37.3 | Teton County | |
| Teton County | July 1, 2010 Estimate | 21,313 | 11,201 | 10,112 | 1,280 | 659 | 621 | 1,946 | 978 | 968 | 843 | 408 | 435 | 1,692 | 936 | 756 | 17,662 | 9,359 | 8,303 | 17,244 | 9,156 | 8,088 | 9,869 | 5,382 | 4,487 | 7,524 | 4,124 | 3,400 | 5,900 | 3,046 | 2,854 | 2,128 | 1,050 | 1,078 | 183 | 76 | 107 | 36.9 | 36.6 | 37.3 | Teton County | |
| Teton County | July 1, 2011 Estimate | 21,548 | 11,305 | 10,243 | 1,326 | 666 | 660 | 1,984 | 1,040 | 944 | 846 | 409 | 437 | 1,555 | 834 | 721 | 17,831 | 9,414 | 8,417 | 17,392 | 9,190 | 8,202 | 9,752 | 5,279 | 4,473 | 7,573 | 4,134 | 3,439 | 6,011 | 3,094 | 2,917 | 2,253 | 1,128 | 1,125 | 188 | 73 | 115 | 37.4 | 37.2 | 37.7 | Teton County | |
| Uinta County | April 1, 2010 Census | 21,118 | 10,662 | 10,456 | 1,781 | 915 | 866 | 3,217 | 1,638 | 1,579 | 1,373 | 701 | 672 | 1,607 | 816 | 791 | 15,469 | 7,772 | 7,697 | 14,747 | 7,408 | 7,339 | 8,160 | 4,132 | 4,028 | 5,507 | 2,778 | 2,729 | 5,759 | 2,904 | 2,855 | 1,874 | 910 | 964 | 192 | 69 | 123 | 33.9 | 33.5 | 34.2 | Uinta County | |
| Uinta County | July 1, 2010 Estimate | 21,117 | 10,660 | 10,457 | 1,774 | 911 | 863 | 3,212 | 1,636 | 1,576 | 1,368 | 698 | 670 | 1,602 | 813 | 789 | 15,483 | 7,778 | 7,705 | 14,763 | 7,415 | 7,348 | 8,150 | 4,125 | 4,025 | 5,505 | 2,776 | 2,729 | 5,764 | 2,907 | 2,857 | 1,892 | 919 | 973 | 195 | 70 | 125 | 33.9 | 33.6 | 34.2 | Uinta County | |
| Uinta County | July 1, 2011 Estimate | 20,985 | 10,606 | 10,379 | 1,719 | 892 | 827 | 3,215 | 1,665 | 1,550 | 1,355 | 682 | 673 | 1,594 | 803 | 791 | 15,378 | 7,725 | 7,653 | 14,696 | 7,367 | 7,329 | 8,003 | 4,039 | 3,964 | 5,407 | 2,720 | 2,687 | 5,729 | 2,884 | 2,845 | 1,966 | 960 | 1,006 | 183 | 60 | 123 | 34.3 | 33.8 | 34.6 | Uinta County | |
| Washakie County | April 1, 2010 Census | 8,533 | 4,255 | 4,278 | 600 | 297 | 303 | 1,090 | 548 | 542 | 482 | 275 | 207 | 514 | 265 | 249 | 6,612 | 3,290 | 3,322 | 6,361 | 3,135 | 3,226 | 2,787 | 1,442 | 1,345 | 1,897 | 957 | 940 | 2,442 | 1,191 | 1,251 | 1,508 | 722 | 786 | 187 | 70 | 117 | 41.8 | 40.6 | 43.1 | Washakie County | |
| Washakie County | July 1, 2010 Estimate | 8,552 | 4,263 | 4,289 | 600 | 297 | 303 | 1,090 | 548 | 542 | 482 | 275 | 207 | 512 | 264 | 248 | 6,631 | 3,298 | 3,333 | 6,380 | 3,143 | 3,237 | 2,788 | 1,442 | 1,346 | 1,900 | 958 | 942 | 2,450 | 1,194 | 1,256 | 1,518 | 727 | 791 | 189 | 71 | 118 | 41.9 | 40.7 | 43.2 | Washakie County | |
| Washakie County | July 1, 2011 Estimate | 8,487 | 4,276 | 4,211 | 544 | 273 | 271 | 1,085 | 557 | 528 | 499 | 271 | 228 | 514 | 278 | 236 | 6,627 | 3,324 | 3,303 | 6,359 | 3,175 | 3,184 | 2,742 | 1,434 | 1,308 | 1,849 | 946 | 903 | 2,435 | 1,201 | 1,234 | 1,561 | 750 | 811 | 209 | 87 | 122 | 42.2 | 41.1 | 43.7 | Washakie County | |
| Weston County | April 1, 2010 Census | 7,208 | 3,790 | 3,418 | 410 | 217 | 193 | 821 | 418 | 403 | 342 | 179 | 163 | 543 | 319 | 224 | 5,807 | 3,065 | 2,742 | 5,635 | 2,976 | 2,659 | 2,521 | 1,417 | 1,104 | 1,711 | 953 | 758 | 2,232 | 1,197 | 1,035 | 1,149 | 507 | 642 | 183 | 59 | 124 | 42.3 | 40.8 | 43.9 | Weston County | |
| Weston County | July 1, 2010 Estimate | 7,178 | 3,777 | 3,401 | 408 | 217 | 191 | 817 | 416 | 401 | 341 | 178 | 163 | 541 | 317 | 224 | 5,784 | 3,055 | 2,729 | 5,612 | 2,966 | 2,646 | 2,509 | 1,410 | 1,099 | 1,702 | 949 | 753 | 2,226 | 1,195 | 1,031 | 1,143 | 505 | 638 | 183 | 59 | 124 | 42.3 | 40.8 | 43.9 | Weston County | |
| Weston County | July 1, 2011 Estimate | 7,108 | 3,740 | 3,368 | 414 | 209 | 205 | 794 | 409 | 385 | 371 | 192 | 179 | 517 | 298 | 219 | 5,721 | 3,041 | 2,680 | 5,529 | 2,930 | 2,599 | 2,505 | 1,404 | 1,101 | 1,723 | 963 | 760 | 2,171 | 1,172 | 999 | 1,118 | 497 | 621 | 179 | 61 | 118 | 41.9 | 40.6 | 43.4 | Weston County | |