Marin County, CA [06041] Demographic Characteristics & Trends
  -- a component of the San Francisco-Oakland-Hayward, CA metropolitan area [41860] -- 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	252,940	255,505	256,381	258,856	261,007	261,718	261,532	260,955	8,015
Births	...	2,384	2,325	2,323	2,427	2,303	2,246	2,202	2,316
Deaths	...	1,832	1,875	1,892	1,865	1,922	1,917	1,944	1,892
Natural Increase	...	552	450	431	562	381	329	258	423
Net Migration	...	2,028	442	2,055	1,625	358	-511	-833	738
International	...	807	808	730	773	865	868	872	818
Domestic	...	1,221	-366	1,325	852	-507	-1,379	-1,705	-80

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	252,940	255,505	256,381	258,856	261,007	261,718	261,532	260,955	8,015
Male	124,377	125,593	125,472	126,370	127,405	127,798	127,563	127,495	3,118
Female	128,563	129,912	130,909	132,486	133,602	133,920	133,969	133,460	4,897
Group Quarters	...	9,332	8,586	8,231	8,332	8,344	7,953	8,054	-1,139

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	252,940	255,505	256,381	258,856	261,007	261,718	261,532	260,955	8,015
White alone	218,761	220,666	221,401	223,308	224,978	225,275	224,604	223,498	4,737
Black alone	7,548	7,750	7,392	7,369	7,330	7,332	7,205	7,222	-326
AIAN alone	2,852	2,820	2,766	2,710	2,698	2,679	2,614	2,637	-215
Asian alone	14,385	14,644	15,002	15,387	15,679	15,915	16,357	16,713	2,328
NHOPI alone	638	637	631	625	639	634	644	680	42
Two+ Races	8,756	8,988	9,189	9,457	9,683	9,883	10,108	10,205	1,449
Hispanic (any race)	39,203	39,917	40,160	40,477	41,098	41,476	41,825	42,077	2,874

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	260,955	223,498	7,222	2,637	16,713	680	10,205	42,077
Age 0-4	12,074	9,884	266	110	770	35	1,009	3,646
Age 5-9	14,344	11,806	354	146	776	43	1,219	3,848
Age 10-14	16,528	13,561	405	246	834	91	1,391	3,819
Age 15-19	14,464	11,923	381	192	802	56	1,110	3,212
Age 20-24	11,945	9,628	511	174	714	36	882	2,820
Age 25-29	10,612	8,325	512	228	903	32	612	2,734
Age 30-34	12,062	9,540	594	208	1,189	28	503	3,133
Age 35-39	14,439	11,779	546	229	1,316	52	517	3,538
Age 40-44	16,817	13,875	646	292	1,485	49	470	3,531
Age 45-49	20,757	17,714	743	250	1,506	48	496	3,272
Age 50-54	20,543	17,819	603	188	1,353	45	535	2,507
Age 55-59	20,392	18,020	473	119	1,285	49	446	1,950
Age 60-64	19,554	17,596	412	96	1,063	39	348	1,417
Age 65-69	18,136	16,514	298	53	952	28	291	1,003
Age 70-74	14,985	13,970	179	42	620	23	151	608
Age 75-79	9,433	8,757	128	26	410	13	99	419
Age 80-84	6,103	5,625	88	15	308	9	58	263
Age 85 up	7,767	7,162	83	23	427	4	68	357

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Age 0000	2,475	2,427	2,354	2,349	2,450	2,326	2,269	2,222	-253
Age 0101	2,611	2,515	2,415	2,395	2,447	2,537	2,348	2,311	-300
Age 0202	2,892	2,728	2,626	2,478	2,523	2,514	2,553	2,388	-504
Age 0303	2,907	3,009	2,795	2,727	2,514	2,589	2,542	2,570	-337
Age 0404	2,963	2,983	3,069	2,857	2,762	2,564	2,669	2,583	-380
Age 0505	3,111	3,038	3,090	3,166	2,930	2,796	2,590	2,703	-408
Age 0606	3,144	3,163	3,091	3,178	3,218	2,999	2,845	2,605	-539
Age 0707	3,162	3,172	3,183	3,163	3,199	3,212	3,011	2,810	-352
Age 0808	3,046	3,237	3,214	3,232	3,204	3,197	3,219	3,021	-25
Age 0909	3,052	3,102	3,278	3,262	3,289	3,238	3,196	3,205	153
Age 1010	2,993	3,117	3,113	3,319	3,278	3,288	3,255	3,191	198
Age 1111	2,847	3,057	3,146	3,150	3,359	3,319	3,328	3,262	415
Age 1212	2,810	2,873	3,087	3,193	3,237	3,387	3,360	3,341	531
Age 1313	2,817	2,830	2,919	3,127	3,182	3,246	3,392	3,353	536
Age 1414	2,850	2,846	2,834	2,934	3,130	3,187	3,267	3,381	531
Age 1515	2,860	2,853	2,863	2,847	2,938	3,143	3,190	3,256	396
Age 1616	2,873	2,912	2,871	2,899	2,882	2,945	3,151	3,176	303
Age 1717	2,850	2,894	2,910	2,886	2,902	2,864	2,936	3,109	259
Age 1818	2,482	2,668	2,727	2,712	2,695	2,687	2,650	2,670	188
Age 1919	1,919	2,206	2,323	2,386	2,359	2,318	2,279	2,253	334
Age 2020	1,905	1,992	2,228	2,378	2,436	2,408	2,357	2,329	424
Age 2121	1,880	2,012	2,054	2,331	2,466	2,541	2,430	2,443	563
Age 2222	2,070	1,952	2,049	2,097	2,377	2,482	2,499	2,415	345
Age 2323	2,161	2,110	1,991	2,137	2,120	2,391	2,450	2,437	276
Age 2424	2,229	2,147	2,069	2,018	2,157	2,130	2,284	2,321	92
Age 2525	2,343	2,244	2,129	2,143	2,022	2,122	2,122	2,256	-87
Age 2626	2,294	2,233	2,162	2,103	2,139	2,049	2,073	2,063	-231
Age 2727	2,402	2,323	2,201	2,167	2,104	2,104	2,063	2,119	-283
Age 2828	2,435	2,341	2,271	2,231	2,133	2,126	2,053	2,022	-413
Age 2929	2,459	2,472	2,397	2,307	2,297	2,179	2,139	2,152	-307
Age 3030	2,617	2,460	2,417	2,353	2,310	2,313	2,216	2,183	-434
Age 3131	2,477	2,695	2,492	2,471	2,482	2,384	2,418	2,316	-161
Age 3232	2,538	2,525	2,731	2,544	2,556	2,510	2,490	2,456	-82
Age 3333	2,620	2,600	2,508	2,778	2,634	2,581	2,527	2,512	-108
Age 3434	2,633	2,715	2,621	2,590	2,820	2,740	2,624	2,595	-38
Age 3535	2,916	2,733	2,745	2,712	2,662	2,871	2,781	2,707	-209
Age 3636	3,006	2,997	2,816	2,876	2,803	2,790	2,908	2,816	-190
Age 3737	3,159	3,067	3,086	2,896	2,989	2,926	2,822	2,988	-171
Age 3838	3,350	3,268	3,131	3,213	2,994	3,057	3,042	2,888	-462
Age 3939	3,770	3,457	3,340	3,231	3,324	3,075	3,181	3,040	-730
Age 4040	4,161	3,863	3,519	3,405	3,334	3,372	3,081	3,225	-936
Age 4141	4,006	4,229	3,894	3,562	3,497	3,359	3,387	3,071	-935
Age 4242	3,940	4,073	4,312	4,033	3,646	3,564	3,437	3,428	-512
Age 4343	3,935	4,020	4,103	4,374	4,105	3,649	3,612	3,469	-466
Age 4444	4,060	3,972	4,013	4,177	4,424	4,142	3,725	3,624	-436
Age 4545	4,207	4,132	3,979	4,129	4,212	4,491	4,165	3,737	-470
Age 4646	4,097	4,227	4,102	3,996	4,111	4,177	4,462	4,175	78
Age 4747	4,187	4,161	4,268	4,205	4,058	4,151	4,245	4,522	335
Age 4848	4,118	4,209	4,110	4,234	4,202	3,995	4,133	4,176	58
Age 4949	4,345	4,190	4,224	4,164	4,267	4,218	4,015	4,147	-198
Age 5050	4,379	4,340	4,107	4,203	4,105	4,217	4,205	3,978	-401
Age 5151	4,222	4,324	4,280	4,069	4,200	4,100	4,165	4,150	-72
Age 5252	4,254	4,242	4,371	4,312	4,112	4,195	4,115	4,197	-57
Age 5353	4,114	4,253	4,197	4,380	4,314	4,071	4,170	4,083	-31
Age 5454	4,145	4,127	4,196	4,145	4,378	4,259	4,014	4,135	-10
Age 5555	4,190	4,111	4,078	4,164	4,095	4,318	4,181	3,947	-243
Age 5656	4,237	4,219	4,085	4,082	4,204	4,095	4,273	4,173	-64
Age 5757	4,279	4,213	4,162	4,063	4,047	4,179	4,053	4,237	-42
Age 5858	4,099	4,241	4,175	4,133	4,028	4,042	4,119	3,997	-102
Age 5959	4,049	4,089	4,190	4,128	4,085	3,986	3,971	4,038	-11
Age 6060	4,020	4,024	4,065	4,148	4,092	4,008	3,967	3,892	-128
Age 6161	3,893	4,003	3,988	4,061	4,149	4,030	3,988	3,886	-7
Age 6262	3,942	3,847	3,980	3,968	4,009	4,087	3,960	3,942	0
Age 6363	4,257	3,906	3,803	3,967	3,894	3,952	4,003	3,891	-366
Age 6464	3,268	4,217	3,894	3,776	3,913	3,817	3,897	3,943	675
Age 6565	3,232	3,207	4,133	3,794	3,742	3,833	3,726	3,812	580
Age 6666	3,084	3,188	3,165	4,055	3,751	3,678	3,738	3,655	571
Age 6767	3,133	3,015	3,113	3,093	3,976	3,678	3,574	3,631	498
Age 6868	2,644	3,096	2,976	3,100	3,060	3,928	3,591	3,508	864
Age 6969	2,211	2,625	3,075	2,947	3,066	3,003	3,813	3,530	1,319
Age 7070	2,120	2,174	2,583	3,039	2,899	2,995	2,930	3,745	1,625
Age 7171	2,039	2,061	2,145	2,517	2,974	2,825	2,925	2,863	824
Age 7272	1,853	2,017	2,027	2,112	2,444	2,895	2,769	2,861	1,008
Age 7373	1,682	1,825	1,993	1,995	2,088	2,393	2,832	2,730	1,048
Age 7474	1,574	1,661	1,796	1,983	1,941	2,076	2,343	2,786	1,212
Age 7575	1,536	1,522	1,624	1,748	1,948	1,908	2,021	2,293	757
Age 7676	1,353	1,507	1,508	1,597	1,704	1,906	1,831	1,962	609
Age 7777	1,345	1,318	1,464	1,491	1,572	1,662	1,858	1,784	439
Age 7878	1,286	1,309	1,293	1,431	1,457	1,532	1,631	1,804	518
Age 7979	1,310	1,247	1,288	1,263	1,387	1,421	1,480	1,590	280
Age 8080	1,286	1,283	1,205	1,251	1,227	1,332	1,368	1,435	149
Age 8181	1,186	1,232	1,230	1,159	1,197	1,166	1,276	1,315	129
Age 8282	1,129	1,169	1,213	1,202	1,131	1,155	1,130	1,244	115
Age 8383	1,012	1,077	1,100	1,133	1,135	1,065	1,087	1,062	50
Age 8484	997	969	1,045	1,059	1,105	1,107	1,024	1,047	50
Age 8585	6,596	6,798	6,964	7,173	7,399	7,551	7,713	7,767	1,171
Age 0517	38,415	39,094	39,599	40,356	40,748	40,821	40,740	40,413	1,998