County Population Estimates

Arapahoe County, CO [08005] Demographic Characteristics & Trends
-- a component of the Denver-Aurora-Lakewood, CO metropolitan area [19740] -- click link to view metro S&O report

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This document brings together several 2017 vintage population estimates developed by the Census Bureau for this area developed and released separately in 2018. These official model-based estimates are developed and updated annually. The data presesentation here provides more comprehensive insights into demographic characteristics and trends for this area than available elsewhere. ProximityOne uses these data to develop Situation & Outlook (S&O) estimates and projections to 2060. See related table. Join us in weekly Data Analytics Lab web sessions to discuss organization and use of these and related data.

The S&O Trends Analysis package used to develop these tables is available to present/analyze these data with wide-ranging additional detail and alternative data formats.
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Table 1. Population & Components of Change -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	574,650	584,955	595,094	606,839	617,385	628,834	636,949	643,052	68,402
Births	...	7,704	7,716	7,855	7,903	8,131	8,096	8,108	7,930
Deaths	...	3,422	3,372	3,574	3,483	3,746	4,059	4,093	3,678
Natural Increase	...	4,282	4,344	4,281	4,420	4,385	4,037	4,015	4,252
Net Migration	...	5,974	5,784	7,397	6,117	7,044	4,066	2,094	5,497
International	...	2,025	2,193	2,261	2,437	2,764	2,786	2,742	2,458
Domestic	...	3,949	3,591	5,136	3,680	4,280	1,280	-648	3,038

Table 2. Population by Gender & Group Quarters Population -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	574,650	584,955	595,094	606,839	617,385	628,834	636,949	643,052	68,402
Male	281,598	286,706	291,951	298,105	303,984	310,171	314,841	318,312	36,714
Female	293,052	298,249	303,143	308,734	313,401	318,663	322,108	324,740	31,688
Group Quarters	...	4,959	4,891	4,730	4,677	4,465	4,349	4,344	-680

Table 3. Population by Race/Origin -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	574,650	584,955	595,094	606,839	617,385	628,834	636,949	643,052	68,402
White alone	455,689	463,160	469,719	476,850	483,335	489,365	493,437	495,821	40,132
Black alone	61,101	62,230	63,928	65,815	67,768	69,792	71,388	72,653	11,552
AIAN alone	6,398	6,367	6,408	6,589	6,643	6,830	6,995	7,265	867
Asian alone	30,210	31,207	32,321	33,820	35,153	37,170	38,837	40,243	10,033
NHOPI alone	1,395	1,375	1,347	1,456	1,521	1,641	1,707	1,744	349
Two+ Races	19,857	20,616	21,371	22,309	22,965	24,036	24,585	25,326	5,469
Hispanic (any race)	105,969	108,458	110,027	112,856	115,513	118,338	121,086	123,957	17,988

Table 4. Population by Age by Race/Origin -- 2017

Population	Total	White alone	Black alone	AIAN alone	Asian alone	NHOPI alone	Two+ Races	Hispanic (any race)
Total	643,052	495,821	72,653	7,265	40,243	1,744	25,326	123,957
Age 0-4	40,602	28,892	5,277	604	2,300	142	3,387	10,932
Age 5-9	42,268	30,323	5,424	525	2,414	147	3,435	12,125
Age 10-14	44,358	31,756	5,588	594	2,937	137	3,346	12,886
Age 15-19	39,489	28,237	5,324	550	2,484	143	2,751	11,343
Age 20-24	39,411	28,880	5,123	532	2,442	134	2,300	10,074
Age 25-29	49,910	37,650	6,086	680	3,286	177	2,031	10,421
Age 30-34	50,225	38,543	5,629	611	3,538	175	1,729	9,791
Age 35-39	47,771	36,510	5,647	624	3,354	150	1,486	9,923
Age 40-44	43,473	32,997	5,184	527	3,387	101	1,277	9,067
Age 45-49	44,342	34,115	5,165	431	3,479	117	1,035	7,725
Age 50-54	40,683	32,126	4,618	468	2,602	99	770	6,124
Age 55-59	41,829	34,109	4,485	354	2,176	70	635	4,554
Age 60-64	37,338	31,272	3,485	261	1,808	59	453	3,310
Age 65-69	30,283	25,764	2,517	224	1,422	49	307	2,327
Age 70-74	20,762	18,032	1,356	134	1,036	19	185	1,448
Age 75-79	12,958	11,157	870	81	737	13	100	906
Age 80-84	8,320	7,279	510	38	432	8	53	505
Age 85 up	9,030	8,179	365	27	409	4	46	496

Table 5. Population by Single Year of Age -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Age 0000	7,974	7,679	7,712	7,863	7,891	8,114	8,073	8,082	108
Age 0101	8,044	8,053	7,755	7,770	7,805	7,983	8,198	8,125	81
Age 0202	8,257	8,096	8,110	7,957	7,965	8,031	8,017	8,279	22
Age 0303	8,295	8,352	8,307	8,349	8,144	8,034	8,092	8,006	-289
Age 0404	8,276	8,316	8,442	8,388	8,414	8,311	8,070	8,110	-166
Age 0505	8,346	8,407	8,457	8,592	8,571	8,576	8,356	8,091	-255
Age 0606	8,424	8,487	8,492	8,588	8,674	8,664	8,577	8,304	-120
Age 0707	8,375	8,482	8,570	8,619	8,718	8,715	8,697	8,532	157
Age 0808	8,053	8,418	8,554	8,741	8,716	8,819	8,679	8,634	581
Age 0909	8,180	8,120	8,571	8,763	8,886	8,798	8,872	8,707	527
Age 1010	8,120	8,250	8,213	8,656	8,798	8,954	8,721	8,813	693
Age 1111	8,053	8,265	8,276	8,346	8,712	8,889	8,989	8,647	594
Age 1212	8,014	8,143	8,357	8,379	8,444	8,878	8,851	9,040	1,026
Age 1313	8,031	8,015	8,184	8,479	8,483	8,566	8,963	8,895	864
Age 1414	8,035	8,102	8,057	8,285	8,539	8,508	8,597	8,963	928
Age 1515	8,189	8,139	8,229	8,196	8,391	8,625	8,604	8,624	435
Age 1616	8,414	8,271	8,234	8,278	8,223	8,417	8,588	8,650	236
Age 1717	8,573	8,493	8,383	8,318	8,428	8,275	8,416	8,687	114
Age 1818	7,415	7,449	7,416	7,342	7,314	7,319	7,200	7,376	-39
Age 1919	6,038	6,454	6,467	6,415	6,274	6,153	6,182	6,152	114
Age 2020	6,315	6,496	6,843	6,943	6,871	6,777	6,669	6,656	341
Age 2121	6,366	6,728	6,908	7,358	7,361	7,351	7,236	7,069	703
Age 2222	6,721	7,023	7,210	7,435	7,922	7,967	7,901	7,834	1,113
Age 2323	7,532	7,414	7,503	7,926	8,157	8,638	8,558	8,604	1,072
Age 2424	8,228	7,984	7,930	8,081	8,673	8,851	9,249	9,248	1,020
Age 2525	8,426	8,638	8,402	8,325	8,433	9,257	9,515	9,725	1,299
Age 2626	8,424	8,708	8,855	8,913	8,790	9,177	9,717	10,099	1,675
Age 2727	8,769	8,722	8,853	9,191	9,188	9,312	9,607	10,214	1,445
Age 2828	8,753	9,065	9,000	9,191	9,441	9,479	9,601	10,016	1,263
Age 2929	8,594	8,960	9,296	9,287	9,368	9,678	9,859	9,856	1,262
Age 3030	8,745	8,692	9,134	9,402	9,460	9,538	10,035	10,115	1,370
Age 3131	8,414	8,871	8,890	9,390	9,483	9,775	9,898	10,217	1,803
Age 3232	8,322	8,568	9,008	9,023	9,523	9,662	9,953	9,872	1,550
Age 3333	8,245	8,442	8,729	9,231	9,349	9,736	9,796	10,065	1,820
Age 3434	8,074	8,397	8,551	8,916	9,446	9,736	9,909	9,956	1,882
Age 3535	8,286	8,167	8,538	8,681	9,094	9,649	9,820	9,933	1,647
Age 3636	8,059	8,422	8,259	8,629	8,767	9,150	9,732	9,788	1,729
Age 3737	8,193	8,184	8,578	8,455	8,783	8,967	9,193	9,756	1,563
Age 3838	8,446	8,215	8,259	8,665	8,447	8,916	8,988	9,253	807
Age 3939	8,839	8,500	8,264	8,393	8,819	8,479	8,898	9,041	202
Age 4040	8,871	8,940	8,681	8,344	8,471	8,780	8,524	8,937	66
Age 4141	8,273	9,089	8,945	8,855	8,420	8,616	8,850	8,466	193
Age 4242	7,975	8,300	9,140	9,070	8,933	8,534	8,675	8,847	872
Age 4343	7,740	8,030	8,368	9,326	9,195	8,972	8,544	8,664	924
Age 4444	7,710	7,826	8,112	8,420	9,438	9,313	9,059	8,559	849
Age 4545	8,191	7,818	7,854	8,165	8,471	9,527	9,337	9,039	848
Age 4646	8,515	8,275	7,814	7,936	8,211	8,536	9,518	9,255	740
Age 4747	8,626	8,487	8,322	7,876	7,920	8,217	8,468	9,427	801
Age 4848	8,552	8,642	8,511	8,426	7,896	7,961	8,213	8,479	-73
Age 4949	8,804	8,568	8,666	8,526	8,406	7,909	7,883	8,142	-662
Age 5050	9,006	8,770	8,587	8,667	8,507	8,350	7,867	7,850	-1,156
Age 5151	8,679	9,024	8,814	8,570	8,702	8,513	8,371	7,848	-831
Age 5252	8,463	8,672	9,034	8,769	8,562	8,605	8,468	8,214	-249
Age 5353	8,425	8,513	8,648	8,956	8,741	8,454	8,494	8,378	-47
Age 5454	8,158	8,414	8,505	8,583	8,868	8,697	8,464	8,393	235
Age 5555	8,041	8,131	8,406	8,481	8,516	8,837	8,636	8,317	276
Age 5656	7,794	8,052	8,111	8,332	8,432	8,446	8,768	8,492	698
Age 5757	7,516	7,707	8,036	8,100	8,199	8,361	8,380	8,596	1,080
Age 5858	7,103	7,483	7,663	7,907	8,040	8,079	8,297	8,207	1,104
Age 5959	6,855	7,060	7,451	7,604	7,884	7,992	8,023	8,217	1,362
Age 6060	6,615	6,800	6,991	7,337	7,539	7,802	7,853	7,879	1,264
Age 6161	6,399	6,584	6,756	6,968	7,249	7,452	7,693	7,722	1,323
Age 6262	6,338	6,413	6,536	6,700	6,858	7,220	7,329	7,568	1,230
Age 6363	6,464	6,291	6,406	6,457	6,648	6,751	7,084	7,210	746
Age 6464	4,588	6,431	6,241	6,349	6,445	6,588	6,663	6,959	2,371
Age 6565	4,383	4,589	6,377	6,186	6,312	6,394	6,455	6,559	2,176
Age 6666	4,198	4,281	4,494	6,297	6,064	6,215	6,225	6,256	2,058
Age 6767	4,057	4,120	4,239	4,409	6,154	5,932	6,082	5,992	1,935
Age 6868	3,502	4,006	4,047	4,130	4,329	6,055	5,783	5,875	2,373
Age 6969	3,203	3,467	3,944	3,978	4,078	4,254	5,919	5,601	2,398
Age 7070	3,026	3,171	3,424	3,881	3,869	4,031	4,146	5,773	2,747
Age 7171	2,888	2,993	3,130	3,420	3,827	3,844	3,946	4,054	1,166
Age 7272	2,584	2,845	2,962	3,062	3,366	3,706	3,721	3,831	1,247
Age 7373	2,368	2,567	2,810	2,920	3,038	3,325	3,613	3,595	1,227
Age 7474	2,325	2,332	2,539	2,739	2,849	2,962	3,213	3,509	1,184
Age 7575	2,259	2,232	2,279	2,476	2,651	2,776	2,846	3,073	814
Age 7676	2,046	2,198	2,187	2,215	2,410	2,577	2,710	2,743	697
Age 7777	1,996	1,996	2,172	2,164	2,153	2,353	2,483	2,617	621
Age 7878	1,880	1,931	1,931	2,088	2,061	2,077	2,258	2,390	510
Age 7979	1,834	1,798	1,874	1,857	1,988	1,953	1,985	2,135	301
Age 8080	1,760	1,792	1,741	1,826	1,816	1,904	1,854	1,917	157
Age 8181	1,614	1,670	1,711	1,640	1,765	1,736	1,794	1,753	139
Age 8282	1,519	1,517	1,562	1,618	1,550	1,627	1,627	1,661	142
Age 8383	1,469	1,493	1,487	1,504	1,573	1,491	1,546	1,538	69
Age 8484	1,364	1,394	1,421	1,391	1,441	1,472	1,388	1,451	87
Age 8585	7,817	8,056	8,369	8,555	8,775	8,914	9,018	9,030	1,213
Age 0517	106,807	107,592	108,577	110,240	111,583	112,684	112,910	112,587	5,780