King County, WA [53033] Demographic Characteristics & Trends
  -- a component of the Seattle-Tacoma-Bellevue, WA metropolitan area [42660] -- 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	1,937,378	1,972,205	2,009,295	2,047,039	2,081,249	2,117,696	2,155,962	2,188,649	251,271
Births	...	24,504	24,478	25,149	25,256	25,244	25,853	25,950	25,205
Deaths	...	12,150	11,975	12,486	12,345	13,157	13,322	13,433	12,695
Natural Increase	...	12,354	12,503	12,663	12,911	12,087	12,531	12,517	12,509
Net Migration	...	22,364	24,479	24,966	21,278	24,328	25,671	20,129	23,316
International	...	12,530	13,314	14,277	16,067	17,330	17,499	17,327	15,478
Domestic	...	9,834	11,165	10,689	5,211	6,998	8,172	2,802	7,839

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	1,937,378	1,972,205	2,009,295	2,047,039	2,081,249	2,117,696	2,155,962	2,188,649	251,271
Male	964,948	981,555	1,000,410	1,020,669	1,038,759	1,058,204	1,079,072	1,096,784	131,836
Female	972,430	990,650	1,008,885	1,026,370	1,042,490	1,059,492	1,076,890	1,091,865	119,435
Group Quarters	...	37,748	37,660	37,883	38,133	38,203	38,773	38,699	1,583

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	1,937,378	1,972,205	2,009,295	2,047,039	2,081,249	2,117,696	2,155,962	2,188,649	251,271
White alone	1,399,336	1,414,249	1,430,094	1,445,219	1,457,001	1,469,708	1,481,892	1,488,384	89,048
Black alone	125,015	128,510	132,543	136,080	138,796	142,076	145,354	148,862	23,847
AIAN alone	20,293	20,749	21,206	21,789	22,108	22,234	22,224	22,341	2,048
Asian alone	288,828	301,270	314,417	329,036	344,747	361,333	379,967	399,255	110,427
NHOPI alone	15,361	15,760	16,251	16,909	17,325	17,920	18,556	18,882	3,521
Two+ Races	88,545	91,667	94,784	98,006	101,272	104,425	107,969	110,925	22,380
Hispanic (any race)	173,219	177,925	183,366	189,481	194,644	199,779	206,411	212,412	39,193

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	2,188,649	1,488,384	148,862	22,341	399,255	18,882	110,925	212,412
Age 0-4	128,908	77,159	10,988	2,119	22,479	1,423	14,740	20,754
Age 5-9	126,869	75,648	11,295	1,937	22,102	1,590	14,297	20,980
Age 10-14	120,738	73,901	10,435	1,490	20,843	1,646	12,423	18,836
Age 15-19	117,762	72,268	10,126	1,445	21,810	1,435	10,678	16,474
Age 20-24	130,626	81,556	10,373	1,676	25,928	1,475	9,618	16,711
Age 25-29	197,619	125,732	13,352	2,051	44,026	1,821	10,637	20,049
Age 30-34	194,158	126,956	13,191	1,873	41,515	1,950	8,673	20,268
Age 35-39	174,270	115,580	11,761	1,633	36,513	1,619	7,164	18,671
Age 40-44	152,196	101,618	10,218	1,423	32,130	1,309	5,498	15,924
Age 45-49	154,572	109,210	9,940	1,389	28,226	1,105	4,702	13,403
Age 50-54	142,039	104,203	8,944	1,386	23,026	1,008	3,472	9,664
Age 55-59	139,798	105,537	8,729	1,205	20,299	917	3,111	7,420
Age 60-64	125,185	95,967	7,103	1,000	18,105	626	2,384	4,984
Age 65-69	99,896	76,883	5,095	702	15,291	424	1,501	3,226
Age 70-74	71,618	56,786	3,097	491	10,049	251	944	2,269
Age 75-79	44,404	34,414	1,893	277	7,175	148	497	1,233
Age 80-84	30,203	23,694	1,214	126	4,747	93	329	774
Age 85 up	37,788	31,272	1,108	118	4,991	42	257	772

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Age 0000	24,776	24,729	24,722	25,442	25,496	25,514	26,168	26,276	1,500
Age 0101	24,174	24,972	24,901	24,922	25,490	25,443	25,552	26,054	1,880
Age 0202	24,504	24,462	25,219	25,242	25,009	25,432	25,563	25,548	1,044
Age 0303	24,137	24,817	24,746	25,400	25,208	25,000	25,474	25,569	1,432
Age 0404	23,391	24,330	24,997	24,938	25,426	25,258	25,166	25,461	2,070
Age 0505	23,271	23,580	24,584	25,324	25,091	25,511	25,391	25,147	1,876
Age 0606	23,108	23,456	23,784	24,805	25,359	25,217	25,583	25,397	2,289
Age 0707	22,734	23,289	23,777	24,031	24,849	25,365	25,275	25,567	2,833
Age 0808	22,038	22,936	23,353	23,954	24,057	25,010	25,412	25,340	3,302
Age 0909	22,421	22,144	23,110	23,548	23,963	24,184	25,133	25,418	2,997
Age 1010	22,590	22,598	22,325	23,278	23,567	24,001	24,258	25,071	2,481
Age 1111	22,078	22,707	22,709	22,533	23,298	23,591	24,085	24,275	2,197
Age 1212	22,234	22,270	22,936	22,880	22,560	23,329	23,706	24,091	1,857
Age 1313	22,072	22,356	22,441	23,107	22,959	22,577	23,417	23,728	1,656
Age 1414	22,059	22,223	22,664	22,697	23,235	23,158	22,819	23,573	1,514
Age 1515	22,593	22,218	22,479	22,855	22,816	23,471	23,452	23,014	421
Age 1616	22,845	22,835	22,475	22,877	23,130	23,056	23,706	23,693	848
Age 1717	23,537	23,157	23,315	23,004	23,296	23,611	23,448	24,128	591
Age 1818	24,005	23,363	23,185	23,443	22,816	23,190	23,643	23,444	-561
Age 1919	24,077	23,782	23,188	23,153	23,318	22,892	23,302	23,483	-594
Age 2020	24,330	23,921	23,358	22,787	22,668	22,639	22,471	22,587	-1,743
Age 2121	24,056	24,653	24,159	23,751	22,866	22,653	22,868	22,556	-1,500
Age 2222	24,997	25,612	26,249	25,901	25,475	24,506	24,512	24,475	-522
Age 2323	26,900	27,491	28,488	29,714	29,446	29,147	28,431	28,514	1,614
Age 2424	29,256	29,383	30,036	31,874	33,251	33,459	33,088	32,494	3,238
Age 2525	31,217	31,025	31,472	32,292	34,743	36,434	36,867	36,573	5,356
Age 2626	31,406	32,864	32,689	33,141	34,164	36,821	38,944	39,567	8,161
Age 2727	32,551	32,605	33,968	34,127	34,763	36,080	38,837	41,209	8,658
Age 2828	33,130	33,395	33,730	35,188	35,636	36,450	37,778	40,888	7,758
Age 2929	32,578	33,838	34,237	34,767	36,473	36,958	37,787	39,382	6,804
Age 3030	32,986	33,239	34,710	35,172	35,797	37,722	38,435	38,905	5,919
Age 3131	30,955	33,513	33,964	35,477	36,080	36,849	38,917	39,494	8,539
Age 3232	30,151	31,601	34,142	34,530	36,199	36,763	37,628	39,605	9,454
Age 3333	29,981	30,583	31,902	34,726	35,205	36,758	37,524	38,317	8,336
Age 3434	29,039	30,423	31,059	32,451	35,208	35,522	37,236	37,837	8,798
Age 3535	30,038	29,398	30,741	31,430	32,682	35,564	35,957	37,387	7,349
Age 3636	28,742	30,335	29,696	31,054	31,599	32,829	35,655	35,991	7,249
Age 3737	28,819	29,145	30,700	30,004	31,230	31,790	33,071	35,809	6,990
Age 3838	29,640	28,957	29,289	30,882	30,145	31,498	31,893	33,183	3,543
Age 3939	31,479	29,800	29,109	29,457	30,972	30,227	31,526	31,900	421
Age 4040	32,533	31,670	30,113	29,279	29,571	31,112	30,489	31,705	-828
Age 4141	30,790	32,633	31,716	30,175	29,342	29,623	31,121	30,393	-397
Age 4242	29,202	30,928	32,681	31,700	30,231	29,430	29,566	31,019	1,817
Age 4343	28,242	29,355	31,074	32,720	31,723	30,348	29,496	29,549	1,307
Age 4444	27,733	28,338	29,507	31,187	32,757	31,763	30,474	29,530	1,797
Age 4545	29,043	27,752	28,405	29,601	31,099	32,710	31,779	30,461	1,418
Age 4646	29,542	29,110	27,709	28,296	29,512	31,056	32,599	31,575	2,033
Age 4747	29,951	29,618	29,285	27,839	28,338	29,634	31,083	32,507	2,556
Age 4848	29,394	29,895	29,652	29,159	27,640	28,279	29,514	30,843	1,449
Age 4949	29,571	29,397	29,841	29,555	29,016	27,534	28,104	29,186	-385
Age 5050	29,574	29,590	29,545	29,853	29,455	29,025	27,557	27,940	-1,634
Age 5151	28,723	29,575	29,551	29,516	29,777	29,364	28,923	27,339	-1,384
Age 5252	28,704	28,694	29,642	29,402	29,312	29,710	29,166	28,714	10
Age 5353	28,796	28,838	28,732	29,587	29,321	29,258	29,552	28,903	107
Age 5454	27,788	28,678	28,653	28,499	29,341	29,087	28,985	29,143	1,355
Age 5555	27,637	27,794	28,612	28,514	28,318	29,169	28,729	28,723	1,086
Age 5656	26,654	27,498	27,687	28,337	28,323	28,082	28,844	28,254	1,600
Age 5757	25,478	26,528	27,441	27,537	28,072	28,056	27,749	28,413	2,935
Age 5858	24,276	25,269	26,317	27,077	27,266	27,769	27,572	27,357	3,081
Age 5959	23,234	24,084	25,128	26,036	26,794	26,904	27,334	27,051	3,817
Age 6060	22,518	23,085	23,933	24,939	25,681	26,502	26,468	26,920	4,402
Age 6161	21,612	22,281	22,941	23,632	24,494	25,291	26,032	25,863	4,251
Age 6262	21,183	21,407	22,105	22,559	23,173	23,986	24,726	25,409	4,226
Age 6363	21,723	20,892	21,167	21,800	22,183	22,776	23,487	24,134	2,411
Age 6464	16,118	21,429	20,683	20,889	21,329	21,744	22,282	22,859	6,741
Age 6565	15,608	15,941	21,196	20,294	20,441	20,861	21,297	21,717	6,109
Age 6666	14,863	15,416	15,704	20,793	19,860	20,073	20,370	20,809	5,946
Age 6767	14,618	14,586	15,130	15,375	20,233	19,373	19,560	19,808	5,190
Age 6868	12,247	14,415	14,414	14,810	15,093	19,779	19,026	19,053	6,806
Age 6969	11,013	12,043	14,161	14,137	14,517	14,803	19,314	18,509	7,496
Age 7070	10,290	10,824	11,897	13,848	13,816	14,269	14,433	18,651	8,361
Age 7171	9,563	10,109	10,637	11,634	13,592	13,546	13,964	14,069	4,506
Age 7272	9,367	9,350	9,884	10,420	11,336	13,263	13,147	13,575	4,208
Age 7373	8,629	9,160	9,152	9,617	10,150	11,072	12,935	12,777	4,148
Age 7474	8,055	8,475	9,026	8,941	9,394	9,909	10,822	12,546	4,491
Age 7575	7,751	7,901	8,319	8,836	8,744	9,167	9,685	10,537	2,786
Age 7676	7,181	7,585	7,688	8,123	8,598	8,525	8,930	9,392	2,211
Age 7777	7,014	6,949	7,362	7,447	7,904	8,353	8,267	8,688	1,674
Age 7878	6,774	6,816	6,767	7,155	7,270	7,654	8,131	7,988	1,214
Age 7979	6,528	6,539	6,594	6,518	6,919	7,015	7,377	7,799	1,271
Age 8080	6,355	6,290	6,329	6,348	6,250	6,622	6,746	7,058	703
Age 8181	5,906	6,104	5,992	6,052	6,074	5,974	6,343	6,434	528
Age 8282	5,785	5,652	5,839	5,700	5,783	5,799	5,708	6,037	252
Age 8383	5,638	5,534	5,343	5,573	5,454	5,519	5,543	5,433	-205
Age 8484	5,269	5,340	5,248	5,044	5,257	5,162	5,225	5,241	-28
Age 8585	34,010	34,833	35,885	36,528	36,951	37,267	37,530	37,788	3,778
Age 0517	293,580	295,769	299,952	304,893	308,180	312,081	315,685	318,442	24,862