Washington

County in Oregon

County

The population development of Washington.

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Washington	County	311,554	445,342	529,710	600,372	611,272	→
Oregon	State	2,842,321	3,421,399	3,831,074	4,237,224	4,272,371

Contents: Incorporated Places

The population development of the incorporated places in Washington.

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

Name	Status	County	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Banks	City	Washington	569	1,270	1,802	1,839	1,831	→
Beaverton	City	Washington	59,071	79,716	89,768	97,538	98,302	→
Cornelius	City	Washington	6,188	9,665	11,898	12,735	15,369	→
Durham	City	Washington	748	1,371	1,351	1,945	1,880	→
Forest Grove	City	Washington	13,707	18,068	21,291	26,214	27,076	→
Gaston	City	Washington / Yamhill	580	611	635	679	676	→
Hillsboro	City	Washington	38,999	70,259	92,002	106,492	110,337	→
King City	City	Washington	2,040	2,951	3,561	5,188	5,002	→
Lake Oswego	City	Clackamas / Multnomah / Washington	32,248	35,673	36,727	40,845	40,029	→
North Plains	City	Washington	991	1,619	1,952	3,442	3,424	→
Portland	City	Multnomah / Clackamas / Washington	485,995	529,122	583,810	652,522	635,749	→
Rivergrove	City	Clackamas / Washington	288	320	295	545	538	→
Sherwood	City	Washington	3,207	11,797	18,332	20,458	20,441	→
Tigard	City	Washington	30,360	44,818	47,979	54,830	57,301	→
Tualatin	City	Washington / Clackamas	14,912	22,910	26,112	27,947	28,036	→
Wilsonville	City	Clackamas / Washington	7,514	14,282	19,542	26,697	27,895	→

Source: U.S. Census Bureau.

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.

Further information about the population structure:

Gender (C 2020)
Males	295,978
Females	304,394

Age Groups (C 2020)
0-17 years	135,408
18-64 years	380,190
65+ years	84,774

Age Distribution (C 2020)
80+ years	18,391
70-79 years	37,743
60-69 years	61,644
50-59 years	72,727
40-49 years	83,858
30-39 years	94,554
20-29 years	81,403
10-19 years	78,905
0-9 years	71,147

Urbanization (C 2020)
Rural	32,991
Urban	567,381

»Race« (C 2020)
White	385,455
Black/African American	13,437
Indigenous	6,179
Asian	69,106
Pacific Islander	3,477
Some other	52,212
2 or more	70,506

Ethnicity (C 2020)
Hispanic or Latino	107,642
Other	492,730