Washtenaw County, MI [26161] Demographic Characteristics & Trends
  -- a component of the Ann Arbor, MI metropolitan area [11460] -- click link to view metro S&O report

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.   • Bookmark this page -- http://proximityone.com/trends/cty1706037.htm; share with others.   • View profile for other counties -- http://proximityone.com/countytrends2017.htm; use link in table.

Table 1. Population & Components of Change -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	345,515	349,102	351,333	354,714	358,635	361,815	364,752	367,627	22,112
Births	...	3,823	3,780	3,665	3,750	3,652	3,688	3,669	3,718
Deaths	...	2,059	2,077	2,140	2,150	2,167	2,244	2,349	2,169
Natural Increase	...	1,764	1,703	1,525	1,600	1,485	1,444	1,320	1,549
Net Migration	...	1,863	544	1,902	2,381	1,742	1,490	1,564	1,641
International	...	1,748	1,853	1,944	2,133	2,252	2,282	2,265	2,068
Domestic	...	115	-1,309	-42	248	-510	-792	-701	-427

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	345,515	349,102	351,333	354,714	358,635	361,815	364,752	367,627	22,112
Male	170,418	172,257	173,559	175,201	177,298	179,220	180,734	182,206	11,788
Female	175,097	176,845	177,774	179,513	181,337	182,595	184,018	185,421	10,324
Group Quarters	...	18,243	18,037	18,206	19,642	21,366	22,276	22,542	4,457

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	345,515	349,102	351,333	354,714	358,635	361,815	364,752	367,627	22,112
White alone	261,042	262,621	263,586	265,646	268,053	269,413	271,159	272,885	11,843
Black alone	44,480	45,016	45,332	45,529	45,701	45,879	45,993	45,752	1,272
AIAN alone	1,350	1,395	1,443	1,431	1,438	1,459	1,474	1,484	134
Asian alone	27,698	28,749	29,395	30,281	31,271	32,561	33,395	34,405	6,707
NHOPI alone	171	179	185	181	196	188	193	214	43
Two+ Races	10,774	11,142	11,392	11,646	11,976	12,315	12,538	12,887	2,113
Hispanic (any race)	14,086	14,688	15,040	15,389	15,960	16,332	16,880	17,461	3,375

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	367,627	272,885	45,752	1,484	34,405	214	12,887	17,461
Age 0-4	18,138	12,357	2,707	92	1,535	13	1,434	1,292
Age 5-9	18,547	12,542	2,870	82	1,497	5	1,551	1,463
Age 10-14	19,874	13,502	3,104	85	1,628	14	1,541	1,419
Age 15-19	33,198	23,747	4,155	125	3,376	27	1,768	1,782
Age 20-24	48,518	33,174	6,084	215	6,866	38	2,141	2,575
Age 25-29	29,394	20,824	4,026	123	3,330	19	1,072	1,615
Age 30-34	23,389	17,357	2,638	118	2,643	21	612	1,365
Age 35-39	21,772	15,974	2,715	114	2,396	11	562	1,327
Age 40-44	19,762	14,138	2,673	96	2,377	12	466	1,095
Age 45-49	21,730	16,238	2,738	102	2,212	10	430	969
Age 50-54	21,911	17,097	2,643	79	1,742	6	344	783
Age 55-59	21,910	17,639	2,484	63	1,442	10	272	633
Age 60-64	20,337	16,652	2,289	58	1,073	12	253	422
Age 65-69	17,544	14,795	1,787	58	707	8	189	268
Age 70-74	12,595	10,622	1,225	38	593	3	114	173
Age 75-79	8,061	6,758	746	19	463	2	73	122
Age 80-84	5,081	4,333	428	11	270	1	38	93
Age 85 up	5,866	5,136	440	6	255	2	27	65

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Age 0000	3,797	3,851	3,802	3,683	3,754	3,662	3,703	3,680	-117
Age 0101	3,690	3,778	3,836	3,737	3,696	3,610	3,629	3,663	-27
Age 0202	3,757	3,642	3,777	3,817	3,797	3,664	3,592	3,626	-131
Age 0303	3,892	3,762	3,670	3,704	3,785	3,703	3,594	3,565	-327
Age 0404	3,951	3,844	3,732	3,732	3,753	3,741	3,697	3,604	-347
Age 0505	3,971	3,958	3,813	3,757	3,719	3,708	3,772	3,700	-271
Age 0606	4,042	3,992	3,911	3,803	3,770	3,675	3,741	3,751	-291
Age 0707	4,027	4,011	3,974	3,955	3,824	3,672	3,663	3,738	-289
Age 0808	3,930	4,028	4,014	3,965	3,981	3,823	3,679	3,663	-267
Age 0909	4,014	3,924	4,040	4,008	3,959	3,982	3,853	3,695	-319
Age 1010	3,947	3,998	3,882	3,991	4,059	3,968	3,960	3,822	-125
Age 1111	4,010	3,909	4,019	3,902	3,999	4,087	3,961	3,954	-56
Age 1212	4,059	4,013	3,910	4,036	3,951	4,048	4,151	3,941	-118
Age 1313	4,023	4,054	3,958	3,932	4,036	3,923	4,043	4,135	112
Age 1414	4,092	4,020	4,046	3,994	3,920	4,007	3,900	4,022	-70
Age 1515	4,152	4,129	4,046	4,092	4,010	3,938	4,046	3,945	-207
Age 1616	4,196	4,197	4,160	4,132	4,098	4,050	4,002	4,117	-79
Age 1717	4,304	4,274	4,268	4,299	4,181	4,218	4,147	4,088	-216
Age 1818	7,828	8,021	7,870	7,937	8,344	8,653	8,914	8,976	1,148
Age 1919	10,323	10,550	10,419	10,470	11,012	11,590	11,878	12,072	1,749
Age 2020	10,005	10,398	10,478	10,473	10,701	11,029	11,084	11,093	1,088
Age 2121	9,700	10,387	10,730	10,782	10,795	10,908	10,952	10,915	1,215
Age 2222	8,479	9,032	9,649	10,089	10,160	10,110	10,133	10,112	1,633
Age 2323	6,790	7,206	7,747	8,341	8,727	8,781	8,641	8,716	1,926
Age 2424	6,054	6,050	6,461	6,905	7,413	7,796	7,758	7,682	1,628
Age 2525	5,690	5,530	5,471	5,800	6,239	6,576	6,910	6,944	1,254
Age 2626	5,410	5,305	5,121	5,113	5,272	5,771	6,004	6,497	1,087
Age 2727	5,260	5,062	4,985	4,794	4,786	4,893	5,335	5,611	351
Age 2828	5,339	5,205	4,967	5,008	4,897	4,801	5,051	5,339	0
Age 2929	5,061	5,221	5,086	4,918	4,935	4,806	4,890	5,003	-58
Age 3030	4,996	4,881	5,043	4,828	4,786	4,805	4,705	4,849	-147
Age 3131	4,581	4,911	4,778	4,967	4,783	4,720	4,799	4,640	59
Age 3232	4,402	4,515	4,767	4,747	4,860	4,698	4,613	4,757	355
Age 3333	4,318	4,375	4,412	4,661	4,706	4,792	4,592	4,595	277
Age 3434	4,067	4,259	4,225	4,349	4,552	4,656	4,727	4,548	481
Age 3535	4,101	4,018	4,181	4,147	4,257	4,415	4,516	4,672	571
Age 3636	4,045	4,093	3,991	4,144	4,099	4,265	4,337	4,531	486
Age 3737	4,100	3,988	4,065	3,959	4,118	4,094	4,251	4,309	209
Age 3838	4,312	4,084	3,978	3,996	3,943	4,092	4,075	4,212	-100
Age 3939	4,625	4,299	4,068	3,952	3,961	3,964	4,103	4,048	-577
Age 4040	4,674	4,579	4,266	4,045	3,921	3,885	3,961	4,034	-640
Age 4141	4,617	4,646	4,506	4,266	4,056	3,954	3,917	3,940	-677
Age 4242	4,460	4,559	4,615	4,454	4,173	4,025	3,932	3,887	-573
Age 4343	4,394	4,463	4,513	4,578	4,442	4,114	4,004	3,915	-479
Age 4444	4,298	4,363	4,390	4,515	4,572	4,457	4,124	3,986	-312
Age 4545	4,562	4,273	4,280	4,321	4,445	4,497	4,389	4,123	-439
Age 4646	4,855	4,569	4,295	4,326	4,328	4,419	4,494	4,433	-422
Age 4747	4,680	4,837	4,547	4,289	4,281	4,293	4,409	4,479	-201
Age 4848	4,676	4,666	4,802	4,558	4,254	4,256	4,277	4,423	-253
Age 4949	4,752	4,669	4,677	4,806	4,537	4,283	4,259	4,272	-480
Age 5050	4,698	4,702	4,656	4,626	4,792	4,472	4,273	4,197	-501
Age 5151	4,678	4,679	4,655	4,609	4,589	4,733	4,432	4,205	-473
Age 5252	4,825	4,652	4,633	4,666	4,557	4,571	4,698	4,414	-411
Age 5353	4,761	4,797	4,620	4,567	4,629	4,508	4,506	4,627	-134
Age 5454	4,514	4,673	4,725	4,575	4,475	4,551	4,430	4,468	-46
Age 5555	4,522	4,430	4,578	4,653	4,517	4,469	4,482	4,407	-115
Age 5656	4,509	4,444	4,393	4,549	4,607	4,462	4,333	4,445	-64
Age 5757	4,300	4,451	4,364	4,341	4,488	4,538	4,369	4,298	-2
Age 5858	4,226	4,225	4,405	4,333	4,259	4,416	4,484	4,327	101
Age 5959	4,036	4,155	4,181	4,350	4,274	4,199	4,358	4,433	397
Age 6060	3,954	3,943	4,094	4,104	4,264	4,206	4,165	4,273	319
Age 6161	3,789	3,882	3,873	4,025	4,032	4,188	4,130	4,127	338
Age 6262	3,680	3,742	3,803	3,834	3,965	3,940	4,109	4,058	378
Age 6363	3,742	3,628	3,663	3,731	3,777	3,877	3,887	4,040	298
Age 6464	2,714	3,690	3,567	3,623	3,682	3,693	3,829	3,839	1,125
Age 6565	2,578	2,693	3,620	3,515	3,558	3,610	3,655	3,742	1,164
Age 6666	2,509	2,561	2,631	3,595	3,470	3,494	3,551	3,617	1,108
Age 6767	2,600	2,487	2,529	2,579	3,503	3,397	3,448	3,506	906
Age 6868	2,234	2,563	2,435	2,489	2,552	3,422	3,336	3,375	1,141
Age 6969	2,005	2,220	2,525	2,412	2,459	2,529	3,381	3,304	1,299
Age 7070	1,779	1,961	2,192	2,487	2,360	2,435	2,473	3,298	1,519
Age 7171	1,655	1,762	1,939	2,140	2,446	2,309	2,369	2,414	759
Age 7272	1,577	1,635	1,760	1,912	2,117	2,409	2,275	2,342	765
Age 7373	1,401	1,536	1,604	1,731	1,852	2,085	2,352	2,238	837
Age 7474	1,344	1,369	1,522	1,588	1,703	1,811	2,032	2,303	959
Age 7575	1,352	1,304	1,331	1,474	1,557	1,655	1,758	1,998	646
Age 7676	1,194	1,327	1,287	1,321	1,437	1,532	1,626	1,738	544
Age 7777	1,163	1,167	1,284	1,246	1,298	1,391	1,473	1,575	412
Age 7878	1,156	1,119	1,132	1,254	1,218	1,268	1,355	1,437	281
Age 7979	1,059	1,104	1,085	1,103	1,214	1,180	1,239	1,313	254
Age 8080	1,139	1,035	1,084	1,051	1,061	1,171	1,130	1,199	60
Age 8181	1,032	1,076	977	1,024	989	1,006	1,126	1,078	46
Age 8282	975	974	1,025	941	954	938	955	1,054	79
Age 8383	916	947	950	991	900	937	896	921	5
Age 8484	833	862	887	898	922	838	869	829	-4
Age 8585	4,758	4,909	5,083	5,300	5,511	5,698	5,801	5,866	1,108
Age 0517	52,767	52,507	52,041	51,866	51,507	51,099	50,918	50,571	-2,196