Data / Rankings / Housing units / Counties in Washington

Counties in Washington by housing units

King County had the highest housing units of 39 counties in 2023, at 988,330. Garfield County had the lowest, at 1,223. The median was 30,488 and the figure for Washington was 3.26 million. Source: the U.S. Census Bureau.

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Highest988,330King County
Lowest1,223Garfield County
Median30,48839 counties
Washington3,262,667History

Map of counties, 2023

Adams County: 6,844 countAsotin County: 10,165 countBenton County: 81,792 countChelan County: 38,129 countClallam County: 38,295 countClark County: 201,114 countColumbia County: 2,218 countCowlitz County: 45,884 countDouglas County: 17,721 countFerry County: 4,105 countFranklin County: 30,488 countGarfield County: 1,223 countGrant County: 39,496 countGrays Harbor County: 36,568 countIsland County: 42,398 countJefferson County: 19,359 countKing County: 988,330 countKitsap County: 115,329 countKittitas County: 24,326 countKlickitat County: 10,722 countLewis County: 36,037 countLincoln County: 5,840 countMason County: 33,751 countOkanogan County: 22,015 countPacific County: 16,220 countPend Oreille County: 8,036 countPierce County: 365,748 countSan Juan County: 13,951 countSkagit County: 56,472 countSkamania County: 5,899 countSnohomish County: 327,893 countSpokane County: 228,156 countStevens County: 22,577 countThurston County: 123,333 countWahkiakum County: 2,207 countWalla Walla County: 25,219 countWhatcom County: 101,928 countWhitman County: 21,232 countYakima County: 91,647 count
  • Under 7,000
  • 7,000 to 19K
  • 19K to 30K
  • 30K to 40K
  • 40K to 110K
  • 110K and over
count, 2023. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2023

King County: 988,330 countKing County988,330Pierce County: 365,748 countPierce County365,748Snohomish County: 327,893 countSnohomish County327,893Spokane County: 228,156 countSpokane County228,156Clark County: 201,114 countClark County201,114Thurston County: 123,333 countThurston County123,333Kitsap County: 115,329 countKitsap County115,329Whatcom County: 101,928 countWhatcom County101,928Yakima County: 91,647 countYakima County91,647Benton County: 81,792 countBenton County81,792Skagit County: 56,472 countSkagit County56,472Cowlitz County: 45,884 countCowlitz County45,884Island County: 42,398 countIsland County42,398Grant County: 39,496 countGrant County39,496Clallam County: 38,295 countClallam County38,295Chelan County: 38,129 countChelan County38,129Grays Harbor County: 36,568 countGrays Harbor County36,568Lewis County: 36,037 countLewis County36,037Mason County: 33,751 countMason County33,751Franklin County: 30,488 countFranklin County30,488Walla Walla County: 25,219 countWalla Walla County25,219Kittitas County: 24,326 countKittitas County24,326Stevens County: 22,577 countStevens County22,577Okanogan County: 22,015 countOkanogan County22,015Whitman County: 21,232 countWhitman County21,232Jefferson County: 19,359 countJefferson County19,359Douglas County: 17,721 countDouglas County17,721Pacific County: 16,220 countPacific County16,220San Juan County: 13,951 countSan Juan County13,951Klickitat County: 10,722 countKlickitat County10,722Asotin County: 10,165 countAsotin County10,165Pend Oreille County: 8,036 countPend Oreille County8,036Adams County: 6,844 countAdams County6,844Skamania County: 5,899 countSkamania County5,899Lincoln County: 5,840 countLincoln County5,840Ferry County: 4,105 countFerry County4,105Columbia County: 2,218 countColumbia County2,218Wahkiakum County: 2,207 countWahkiakum County2,207Garfield County: 1,223 countGarfield County1,223King County: 988,330 countKing County988,330Pierce County: 365,748 countPierce County365,748Snohomish County: 327,893 countSnohomish County327,893Spokane County: 228,156 countSpokane County228,156Clark County: 201,114 countClark County201,114Thurston County: 123,333 countThurston County123,333Kitsap County: 115,329 countKitsap County115,329Whatcom County: 101,928 countWhatcom County101,928Yakima County: 91,647 countYakima County91,647Benton County: 81,792 countBenton County81,792Skagit County: 56,472 countSkagit County56,472Cowlitz County: 45,884 countCowlitz County45,884Island County: 42,398 countIsland County42,398Grant County: 39,496 countGrant County39,496Clallam County: 38,295 countClallam County38,295Chelan County: 38,129 countChelan County38,129Grays Harbor County: 36,568 countGrays Harbor County36,568Lewis County: 36,037 countLewis County36,037Mason County: 33,751 countMason County33,751Franklin County: 30,488 countFranklin County30,488Walla Walla County: 25,219 countWalla Walla County25,219Kittitas County: 24,326 countKittitas County24,326Stevens County: 22,577 countStevens County22,577Okanogan County: 22,015 countOkanogan County22,015Whitman County: 21,232 countWhitman County21,232Jefferson County: 19,359 countJefferson County19,359Douglas County: 17,721 countDouglas County17,721Pacific County: 16,220 countPacific County16,220San Juan County: 13,951 countSan Juan County13,951Klickitat County: 10,722 countKlickitat County10,722Asotin County: 10,165 countAsotin County10,165Pend Oreille County: 8,036 countPend Oreille County8,036Adams County: 6,844 countAdams County6,844Skamania County: 5,899 countSkamania County5,899Lincoln County: 5,840 countLincoln County5,840Ferry County: 4,105 countFerry County4,105Columbia County: 2,218 countColumbia County2,218Wahkiakum County: 2,207 countWahkiakum County2,207Garfield County: 1,223 countGarfield County1,223
count. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units. Retrieved 2026-10-12.

Full ranking

RankCounties2023
count		Change on 2022
1King County988,330+1.6%
2Pierce County365,748+1.4%
3Snohomish County327,893+1.4%
4Spokane County228,156+1.4%
5Clark County201,114+2.3%
6Thurston County123,333+1.4%
7Kitsap County115,329+1.2%
8Whatcom County101,928+1.5%
9Yakima County91,647+1.1%
10Benton County81,792+1.7%
11Skagit County56,472+1.1%
12Cowlitz County45,884+0.8%
13Island County42,398+0.7%
14Grant County39,496+1.7%
15Clallam County38,295+0.8%
16Chelan County38,129+1.5%
17Grays Harbor County36,568+1%
18Lewis County36,037+1.2%
19Mason County33,751+0.9%
20Franklin County30,488+2.3%
21Walla Walla County25,219+0.7%
22Kittitas County24,326+1.7%
23Stevens County22,577+1.2%
24Okanogan County22,015+0.4%
25Whitman County21,232+1.2%
26Jefferson County19,359+1.1%
27Douglas County17,721+1.6%
28Pacific County16,220+0.8%
29San Juan County13,951+0.7%
30Klickitat County10,722+1.1%
31Asotin County10,165+0.6%
32Pend Oreille County8,036+0.5%
33Adams County6,844+1%
34Skamania County5,899+1.2%
35Lincoln County5,840+1%
36Ferry County4,105+0.1%
37Columbia County2,218+1%
38Wahkiakum County2,207+0.3%
39Garfield County1,223+1.7%

Other periods

About this ranking

All housing units, occupied and vacant: houses, apartments, mobile homes and rooms intended as separate living quarters. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

A survey estimate averaged over five years, not a count on one date.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b25001.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B25001: total housing units (Counties in Washington by housing units, 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b25001.dat

MLA 9

American Community Survey 5-year estimates, table B25001: total housing units, Counties in Washington by housing units, 2023. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b25001.dat. Invokely, https://invokely.ai/rankings/housing-units/washington-counties?period=2023. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B25001: total housing units. Counties in Washington by housing units, 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b25001.dat. Also distributed by Invokely, https://invokely.ai/rankings/housing-units/washington-counties?period=2023.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25001: total housing units, Counties in Washington by housing units, 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b25001.dat, via Invokely: https://invokely.ai/rankings/housing-units/washington-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_washington_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B25001: total housing units: Counties in Washington by housing units, 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b25001.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/housing-units/washington-counties?period=2023. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. https://www2.census.gov/programs-surveys/acs/summary\_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b25001.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B25001: total housing units: Counties in Washington by housing units, 2023
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b25001.dat
L2  - https://invokely.ai/rankings/housing-units/washington-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/housing-units/washington-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b25001.dat. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest housing units?

King County, with 988,330 in 2023, according to the U.S. Census Bureau.

Which county has the lowest housing units?

Garfield County, with 1,223 in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units. Retrieved 2026-10-12.

Housing units: other rankings

Counties in Washington: more rankings