Counties in Washington by female population share, 2025

Jefferson County had the highest female population share of 39 counties in 2025, at 51.9%. Okanogan County had the lowest, at 46.7%. The median was 49.9% and the figure for Washington was 50.1%. Source: the U.S. Census Bureau.

Highest51.9Jefferson County
Lowest46.7Okanogan County
Median49.939 counties
Washington50.1History

All counties, 2025

Jefferson County: 51.9 %Jefferson County51.9Thurston County: 51.5 %Thurston County51.5Asotin County: 51.3 %Asotin County51.3San Juan County: 51.1 %San Juan County51.1Whatcom County: 51.1 %Whatcom County51.1Clallam County: 51 %Clallam County51Skagit County: 50.9 %Skagit County50.9Clark County: 50.7 %Clark County50.7Island County: 50.7 %Island County50.7Cowlitz County: 50.6 %Cowlitz County50.6Pacific County: 50.4 %Pacific County50.4Spokane County: 50.4 %Spokane County50.4Pierce County: 50.4 %Pierce County50.4Kittitas County: 50.3 %Kittitas County50.3Columbia County: 50.2 %Columbia County50.2Whitman County: 50.1 %Whitman County50.1Lewis County: 50.1 %Lewis County50.1Yakima County: 50.1 %Yakima County50.1Snohomish County: 50 %Snohomish County50Benton County: 49.9 %Benton County49.9Chelan County: 49.9 %Chelan County49.9Pend Oreille County: 49.8 %Pend Oreille County49.8King County: 49.8 %King County49.8Stevens County: 49.8 %Stevens County49.8Kitsap County: 49.4 %Kitsap County49.4Adams County: 49.4 %Adams County49.4Grays Harbor County: 49.4 %Grays Harbor County49.4Wahkiakum County: 49.2 %Wahkiakum County49.2Walla Walla County: 49 %Walla Walla County49Skamania County: 49 %Skamania County49Ferry County: 49 %Ferry County49Lincoln County: 48.9 %Lincoln County48.9Mason County: 48.7 %Mason County48.7Garfield County: 48.4 %Garfield County48.4Franklin County: 48.4 %Franklin County48.4Douglas County: 48.3 %Douglas County48.3Grant County: 48.3 %Grant County48.3Klickitat County: 47.7 %Klickitat County47.7Okanogan County: 46.7 %Okanogan County46.7
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2025 (%)Change on 2024
1Jefferson County51.9+0.2 pts
2Thurston County51.5+0.1 pts
3Asotin County51.3+0.1 pts
4San Juan County51.1-0 pts
5Whatcom County51.10 pts
6Clallam County51-0 pts
7Skagit County50.90 pts
8Clark County50.7-0 pts
9Island County50.7+0.2 pts
10Cowlitz County50.6+0.1 pts
11Pacific County50.4-0.1 pts
11Spokane County50.4-0 pts
13Pierce County50.40 pts
14Kittitas County50.3+0.1 pts
15Columbia County50.20 pts
16Whitman County50.1+0.1 pts
17Lewis County50.10 pts
18Yakima County50.1-0 pts
19Snohomish County50-0 pts
20Benton County49.9-0.1 pts
21Chelan County49.9-0 pts
22Pend Oreille County49.8+0.1 pts
23King County49.80 pts
24Stevens County49.8+0.1 pts
25Kitsap County49.4-0.1 pts
26Adams County49.40 pts
27Grays Harbor County49.40 pts
28Wahkiakum County49.2-0.4 pts
29Walla Walla County49-0.1 pts
30Skamania County49+0.3 pts
31Ferry County49-0 pts
32Lincoln County48.9+0.3 pts
33Mason County48.7-0.1 pts
34Garfield County48.4-0.2 pts
35Franklin County48.4+0.1 pts
36Douglas County48.3-0.3 pts
37Grant County48.3-0.1 pts
38Klickitat County47.7-0.1 pts
39Okanogan County46.7-0.4 pts

Other periods

About this ranking

Female residents as a percentage of total population on 1 July. United States: Census Bureau county population estimates by sex; states and the nation are sums of their counties.

Counties with large prisons or military bases can have low shares.

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. Population Estimates Program, county population by age and sex: female residents as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. 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). Population Estimates Program, county population by age and sex: female residents as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (Counties in Washington by female population share, 2025) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program, county population by age and sex: female residents as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in Washington by female population share, 2025. U.S. Census Bureau, 25 June 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/female-population-share/washington-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: female residents as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Counties in Washington by female population share, 2025. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/female-population-share/washington-counties.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: female residents as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in Washington by female population share, 2025 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/female-population-share/washington-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_washington_by_2025,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: female residents as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in Washington by female population share, 2025}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/female-population-share/washington-counties. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: female residents as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program, county population by age and sex: female residents as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in Washington by female population share, 2025
PY  - 2026
DA  - 2026/06/25
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/rankings/female-population-share/washington-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/female-population-share/washington-counties.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: female residents as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  - 
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Questions

Which county has the highest female population share?

Jefferson County, with 51.9% in 2025, according to the U.S. Census Bureau.

Which county has the lowest female population share?

Okanogan County, with 46.7% in 2025.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex: female residents as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Retrieved 2026-10-12.

Female population share: other rankings

Counties in Washington: more rankings