Annual Intercensal Estimates of the Resident Population for Selected Age Groups by Sex for Wyoming: April 1, 2010 to April 1, 2020
Sex and Age	April 1, 2010 Estimates Base	Population Estimate (as of July 1)										April 1, 2020 Census
		2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
BOTH SEXES	563,775	564,402	566,844	575,491	580,937	580,959	583,671	582,007	576,240	574,783	575,327	576,851
.Under 5 years	40,200	40,166	39,566	38,995	38,798	38,487	38,493	38,035	36,672	35,775	34,666	34,025
.5 to 9 years	37,212	37,407	38,286	39,613	40,554	41,149	41,621	40,980	39,580	38,600	38,142	38,003
.10 to 14 years	35,956	36,008	36,270	36,746	37,254	37,712	38,382	39,172	39,597	40,011	40,473	40,636
.15 to 19 years	38,144	37,904	37,104	37,270	37,863	37,241	37,667	37,491	37,482	37,646	37,996	38,505
.20 to 24 years	40,318	40,334	40,534	41,761	42,237	41,491	40,151	38,569	36,549	35,753	35,163	35,189
.25 to 29 years	41,274	41,284	40,803	40,682	39,958	39,712	39,506	38,649	37,662	36,938	35,862	34,999
.30 to 34 years	36,373	36,665	37,920	39,495	40,635	40,924	41,103	40,899	39,600	38,478	38,055	38,010
.35 to 39 years	33,862	33,739	33,191	33,950	34,859	35,553	36,939	37,720	38,042	38,733	39,217	38,940
.40 to 44 years	33,105	33,143	33,530	34,073	33,939	33,624	33,167	32,700	32,631	33,081	34,030	34,951
.45 to 49 years	39,473	39,009	36,760	35,535	33,898	32,593	32,482	32,663	32,524	32,338	32,309	32,162
.50 to 54 years	44,108	43,960	43,532	42,758	41,936	40,157	38,048	35,650	33,675	32,124	31,216	31,278
.55 to 59 years	40,951	41,169	42,008	43,100	43,267	42,837	42,467	41,851	40,415	39,377	38,320	37,144
.60 to 64 years	32,569	33,013	35,171	35,864	37,195	37,890	38,889	39,826	40,582	40,816	41,037	41,179
.65 to 69 years	22,985	23,165	23,833	26,127	27,525	29,152	30,886	32,697	33,064	34,134	35,447	36,378
.70 to 74 years	16,600	16,691	17,167	17,855	18,914	19,679	20,437	21,096	23,152	24,604	25,961	27,133
.75 to 79 years	12,501	12,494	12,694	12,838	13,260	13,716	14,166	14,554	15,170	16,174	16,977	17,620
.80 to 84 years	9,451	9,512	9,621	9,847	9,627	9,560	9,638	9,673	9,919	10,283	10,633	10,927
.85 years and over	8,693	8,739	8,854	8,982	9,218	9,482	9,629	9,782	9,924	9,918	9,823	9,772
.Under 18 years	135,400	135,520	135,663	136,956	138,533	139,461	140,912	140,481	137,985	136,552	135,714	135,583
.Under 5 years	40,200	40,166	39,566	38,995	38,798	38,487	38,493	38,035	36,672	35,775	34,666	34,025
.5 to 13 years	66,191	66,404	67,339	69,085	70,518	71,298	72,588	72,717	71,585	71,031	70,681	70,669
.14 to 17 years	29,009	28,950	28,758	28,876	29,217	29,676	29,831	29,729	29,728	29,746	30,367	30,889
.18 to 64 years	358,145	358,281	359,012	362,886	363,860	359,909	358,003	353,724	347,026	343,118	340,772	339,438
.18 to 24 years	56,430	56,299	56,097	57,429	58,173	56,619	55,402	53,766	51,895	51,233	50,726	50,775
.25 to 44 years	144,614	144,831	145,444	148,200	149,391	149,813	150,715	149,968	147,935	147,230	147,164	146,900
.45 to 64 years	157,101	157,151	157,471	157,257	156,296	153,477	151,886	149,990	147,196	144,655	142,882	141,763
.65 years and over	70,230	70,601	72,169	75,649	78,544	81,589	84,756	87,802	91,229	95,113	98,841	101,830
.16 years and over	443,293	443,725	445,655	452,820	456,953	456,256	457,585	456,504	453,030	452,830	454,450	456,351
.18 years and over	428,375	428,882	431,181	438,535	442,404	441,498	442,759	441,526	438,255	438,231	439,613	441,268
.15 to 44 years	223,076	223,069	223,082	227,231	229,491	228,545	228,533	226,028	221,966	220,629	220,323	220,594
Median age (years)	36.8	36.8	36.9	36.9	36.8	36.9	36.9	37.2	37.7	38.1	38.5	38.7
MALE	287,471	287,697	288,814	293,488	296,089	295,908	297,402	296,235	292,727	291,538	291,690	292,385
.Under 5 years	20,596	20,543	20,176	19,885	19,881	19,803	19,984	19,855	18,996	18,505	17,964	17,560
.5 to 9 years	19,203	19,299	19,704	20,359	20,822	20,964	21,205	20,824	20,196	19,755	19,513	19,585
.10 to 14 years	18,593	18,632	18,761	19,016	19,275	19,519	19,798	20,251	20,443	20,597	20,844	20,892
.15 to 19 years	19,628	19,560	19,244	19,276	19,556	19,245	19,562	19,503	19,608	19,683	19,829	20,004
.20 to 24 years	21,314	21,233	21,191	21,977	22,240	21,825	21,159	20,313	19,059	18,632	18,368	18,412
.25 to 29 years	21,751	21,757	21,482	21,395	20,896	20,798	20,633	19,999	19,522	19,019	18,468	17,971
.30 to 34 years	18,919	19,062	19,723	20,630	21,124	21,274	21,311	21,074	20,314	19,761	19,504	19,537
.35 to 39 years	17,703	17,632	17,332	17,746	18,228	18,474	19,193	19,608	19,706	19,938	20,174	20,002
.40 to 44 years	17,150	17,180	17,427	17,779	17,699	17,562	17,224	16,920	16,811	17,056	17,506	17,904
.45 to 49 years	19,712	19,516	18,532	18,006	17,316	16,662	16,679	16,807	16,717	16,575	16,568	16,484
.50 to 54 years	22,451	22,331	21,952	21,524	20,961	20,098	19,053	17,876	16,843	16,139	15,693	15,787
.55 to 59 years	20,931	21,029	21,445	21,884	21,862	21,593	21,396	20,995	20,251	19,580	18,993	18,397
.60 to 64 years	16,878	17,060	18,085	18,438	19,075	19,394	19,811	20,234	20,506	20,550	20,548	20,637
.65 to 69 years	11,562	11,673	12,040	13,226	13,917	14,823	15,739	16,589	16,696	17,326	17,877	18,264
.70 to 74 years	8,127	8,176	8,423	8,779	9,338	9,628	10,011	10,383	11,529	12,153	12,934	13,571
.75 to 79 years	5,705	5,713	5,841	5,945	6,234	6,522	6,771	7,019	7,354	7,890	8,298	8,631
.80 to 84 years	4,179	4,201	4,258	4,345	4,253	4,203	4,238	4,283	4,463	4,667	4,923	5,069
.85 years and over	3,069	3,100	3,198	3,278	3,412	3,521	3,635	3,702	3,713	3,712	3,686	3,678
.Under 18 years	69,778	69,819	69,753	70,346	71,166	71,656	72,619	72,551	71,171	70,357	70,013	69,897
.Under 5 years	20,596	20,543	20,176	19,885	19,881	19,803	19,984	19,855	18,996	18,505	17,964	17,560
.5 to 13 years	34,174	34,307	34,785	35,620	36,239	36,519	37,154	37,160	36,687	36,351	36,274	36,298
.14 to 17 years	15,008	14,969	14,792	14,841	15,046	15,334	15,481	15,536	15,488	15,501	15,775	16,039
.18 to 64 years	185,051	185,015	185,301	187,569	187,769	185,555	184,389	181,708	177,801	175,433	173,959	173,275
.18 to 24 years	29,556	29,448	29,323	30,167	30,608	29,700	29,089	28,195	27,131	26,815	26,505	26,556
.25 to 44 years	75,523	75,631	75,964	77,550	77,947	78,108	78,361	77,601	76,353	75,774	75,652	75,414
.45 to 64 years	79,972	79,936	80,014	79,852	79,214	77,747	76,939	75,912	74,317	72,844	71,802	71,305
.65 years and over	32,642	32,863	33,760	35,573	37,154	38,697	40,394	41,976	43,755	45,748	47,718	49,213
.16 years and over	225,432	225,575	226,530	230,521	232,360	231,758	232,460	231,527	229,225	228,748	229,397	230,336
.18 years and over	217,693	217,878	219,061	223,142	224,923	224,252	224,783	223,684	221,556	221,181	221,677	222,488
.15 to 44 years	116,465	116,424	116,399	118,803	119,743	119,178	119,082	117,417	115,020	114,089	113,849	113,830
Median age (years)	36.0	36.1	36.2	36.2	36.1	36.2	36.2	36.5	37.1	37.4	37.8	38.0
FEMALE	276,304	276,705	278,030	282,003	284,848	285,051	286,269	285,772	283,513	283,245	283,637	284,466
.Under 5 years	19,604	19,623	19,390	19,110	18,917	18,684	18,509	18,180	17,676	17,270	16,702	16,465
.5 to 9 years	18,009	18,108	18,582	19,254	19,732	20,185	20,416	20,156	19,384	18,845	18,629	18,418
.10 to 14 years	17,363	17,376	17,509	17,730	17,979	18,193	18,584	18,921	19,154	19,414	19,629	19,744
.15 to 19 years	18,516	18,344	17,860	17,994	18,307	17,996	18,105	17,988	17,874	17,963	18,167	18,501
.20 to 24 years	19,004	19,101	19,343	19,784	19,997	19,666	18,992	18,256	17,490	17,121	16,795	16,777
.25 to 29 years	19,523	19,527	19,321	19,287	19,062	18,914	18,873	18,650	18,140	17,919	17,394	17,028
.30 to 34 years	17,454	17,603	18,197	18,865	19,511	19,650	19,792	19,825	19,286	18,717	18,551	18,473
.35 to 39 years	16,159	16,107	15,859	16,204	16,631	17,079	17,746	18,112	18,336	18,795	19,043	18,938
.40 to 44 years	15,955	15,963	16,103	16,294	16,240	16,062	15,943	15,780	15,820	16,025	16,524	17,047
.45 to 49 years	19,761	19,493	18,228	17,529	16,582	15,931	15,803	15,856	15,807	15,763	15,741	15,678
.50 to 54 years	21,657	21,629	21,580	21,234	20,975	20,059	18,995	17,774	16,832	15,985	15,523	15,491
.55 to 59 years	20,020	20,140	20,563	21,216	21,405	21,244	21,071	20,856	20,164	19,797	19,327	18,747
.60 to 64 years	15,691	15,953	17,086	17,426	18,120	18,496	19,078	19,592	20,076	20,266	20,489	20,542
.65 to 69 years	11,423	11,492	11,793	12,901	13,608	14,329	15,147	16,108	16,368	16,808	17,570	18,114
.70 to 74 years	8,473	8,515	8,744	9,076	9,576	10,051	10,426	10,713	11,623	12,451	13,027	13,562
.75 to 79 years	6,796	6,781	6,853	6,893	7,026	7,194	7,395	7,535	7,816	8,284	8,679	8,989
.80 to 84 years	5,272	5,311	5,363	5,502	5,374	5,357	5,400	5,390	5,456	5,616	5,710	5,858
.85 years and over	5,624	5,639	5,656	5,704	5,806	5,961	5,994	6,080	6,211	6,206	6,137	6,094
.Under 18 years	65,622	65,701	65,910	66,610	67,367	67,805	68,293	67,930	66,814	66,195	65,701	65,686
.Under 5 years	19,604	19,623	19,390	19,110	18,917	18,684	18,509	18,180	17,676	17,270	16,702	16,465
.5 to 13 years	32,017	32,097	32,554	33,465	34,279	34,779	35,434	35,557	34,898	34,680	34,407	34,371
.14 to 17 years	14,001	13,981	13,966	14,035	14,171	14,342	14,350	14,193	14,240	14,245	14,592	14,850
.18 to 64 years	173,094	173,266	173,711	175,317	176,091	174,354	173,614	172,016	169,225	167,685	166,813	166,163
.18 to 24 years	26,874	26,851	26,774	27,262	27,565	26,919	26,313	25,571	24,764	24,418	24,221	24,219
.25 to 44 years	69,091	69,200	69,480	70,650	71,444	71,705	72,354	72,367	71,582	71,456	71,512	71,486
.45 to 64 years	77,129	77,215	77,457	77,405	77,082	75,730	74,947	74,078	72,879	71,811	71,080	70,458
.65 years and over	37,588	37,738	38,409	40,076	41,390	42,892	44,362	45,826	47,474	49,365	51,123	52,617
.16 years and over	217,861	218,150	219,125	222,299	224,593	224,498	225,125	224,977	223,805	224,082	225,053	226,015
.18 years and over	210,682	211,004	212,120	215,393	217,481	217,246	217,976	217,842	216,699	217,050	217,936	218,780
.15 to 44 years	106,611	106,645	106,683	108,428	109,748	109,367	109,451	108,611	106,946	106,540	106,474	106,764
Median age (years)	37.7	37.7	37.8	37.7	37.6	37.6	37.7	37.9	38.4	38.8	39.2	39.4
The Census Bureau has reviewed this data product to ensure appropriate access, use, and disclosure avoidance protection of the confidential source data used to produce this product (Data Management System (DMS) number: P-6000042 and P-7501659. Disclosure Review Board (DRB) approval number: CBDRB-FY25-0358).
The April 1, 2010 population estimates base reflects changes to the 2010 Census population from the Count Question Resolution program, legal boundary updates, and other geographic program revisions. The data source for April 1, 2020 is the 2020 Modified Age and Race Census file. For population estimates methodology statements, see https://www.census.gov/programs-surveys/popest/technical-documentation/methodology.html. Median age is calculated based on single year of age. All geographic boundaries for the 2010-2020 Intercensal Estimates series are as of 2020.
Suggested Citation:
Annual Intercensal Estimates of the Resident Population for Selected Age Groups by Sex for Wyoming: April 1, 2010 to April 1, 2020 (SC-EST2020INT-AGESEX-56)
Source: U.S. Census Bureau, Population Division
Release Date: September 2025