Washington

State in USA

Contents: Subdivision

The population development in Washington as well as related information and services (Wikipedia, Google, images).

The Details icon links to further information about a selected division including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2025-07-01
Washington	State	4,866,692	5,894,121	6,724,540	7,707,519	8,001,020
Adams	County	13,603	16,428	18,728	20,610	21,488	→
Asotin	County	17,605	20,551	21,623	22,292	22,545	→
Benton	County	112,560	142,475	175,177	206,863	221,722	→
Chelan	County	52,250	66,616	72,453	79,146	81,941	→
Clallam	County	56,464	64,525	71,404	77,158	78,202	→
Clark	County	238,053	345,238	425,363	503,308	532,119	→
Columbia	County	4,024	4,064	4,078	3,956	4,141	→
Cowlitz	County	82,119	92,948	102,410	110,728	114,885	→
Douglas	County	26,205	32,603	38,431	42,935	46,473	→
Ferry	County	6,295	7,260	7,551	7,182	7,517	→
Franklin	County	37,473	49,347	78,163	96,745	102,612	→
Garfield	County	2,248	2,397	2,266	2,286	2,416	→
Grant	County	54,758	74,698	89,120	99,135	105,727	→
Grays Harbor	County	64,175	67,194	72,797	75,635	78,144	→
Island	County	60,195	71,558	78,506	86,856	85,657	→
Jefferson	County	20,146	25,953	29,872	32,972	33,970	→
King	County	1,507,319	1,737,034	1,931,249	2,269,668	2,344,939	→
Kitsap	County	189,731	231,969	251,133	275,614	283,374	→
Kittitas	County	26,725	33,362	40,915	46,540	48,803	→
Klickitat	County	16,616	19,161	20,318	22,731	24,331	→
Lewis	County	59,358	68,600	75,455	82,144	88,062	→
Lincoln	County	8,864	10,184	10,570	10,878	11,982	→
Mason	County	38,341	49,405	60,699	65,721	71,165	→
Okanogan	County	33,350	39,564	41,120	42,097	45,230	→
Pacific	County	18,882	20,984	20,920	23,369	24,357	→
Pend Oreille	County	8,915	11,732	13,001	13,402	14,457	→
Pierce	County	586,203	700,820	795,225	921,151	946,288	→
San Juan	County	10,035	14,077	15,769	17,786	18,577	→
Skagit	County	79,555	102,979	116,901	129,517	132,975	→
Skamania	County	8,289	9,872	11,066	12,031	12,669	→
Snohomish	County	465,642	606,024	713,335	827,947	870,656	→
Spokane	County	361,364	417,939	471,221	539,333	558,344	→
Stevens	County	30,948	40,066	43,531	46,445	49,668	→
Thurston	County	161,238	207,355	252,264	294,790	304,261	→
Wahkiakum	County	3,327	3,824	3,978	4,420	4,873	→
Walla Walla	County	48,439	55,180	58,781	62,583	62,361	→
Whatcom	County	127,780	166,814	201,140	226,845	236,392	→
Whitman	County	38,775	40,740	44,776	47,971	48,512	→
Yakima	County	188,823	222,581	243,231	256,729	259,185	→
USA [United States of America]	Federal Republic	248,709,873	281,421,906	308,745,538	331,516,113	341,784,857

Source: U.S. Census Bureau.

Explanation: Latest available rebased total population figures are tabulated.

Further information about the population structure:

Gender (E 2024)
Males	4,006,922
Females	3,951,258

Age Groups (E 2024)
0-17 years	1,655,037
18-64 years	4,923,554
65+ years	1,379,589

Age Distribution (E 2024)
80+ years	291,906
70-79 years	646,713
60-69 years	911,856
50-59 years	911,205
40-49 years	1,042,572
30-39 years	1,250,330
20-29 years	1,066,760
10-19 years	951,330
0-9 years	885,508

Urbanization (C 2020)
Rural	1,281,246
Urban	6,424,035

»Race« (C 2020)
White	5,130,920
Black/African American	307,565
Indigenous	121,468
Asian	730,596
Pacific Islander	64,933
Some other	513,140
2 or more	836,659

Ethnicity (C 2020)
Hispanic or Latino	1,059,213
Other	6,646,068

Contents: Subdivision

Further information about the population structure:

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