Counties in Washington by female population share

San Juan County had the highest female population share of 39 counties in 2015, at 51.5%. Franklin County had the lowest, at 48.1%. The median was 50% and the figure for Washington was 50.2%. Source: the U.S. Census Bureau.

Keep it in a collection in your library.
Highest51.5San Juan County
Lowest48.1Franklin County
Median5039 counties
Washington50.2History

Map of counties, 2015

Adams County: 48.9 %Asotin County: 51.5 %Benton County: 50.2 %Chelan County: 50.2 %Clallam County: 50.6 %Clark County: 50.6 %Columbia County: 50.9 %Cowlitz County: 50.6 %Douglas County: 49.7 %Ferry County: 48.4 %Franklin County: 48.1 %Garfield County: 50 %Grant County: 49.2 %Grays Harbor County: 48.5 %Island County: 50.3 %Jefferson County: 50.6 %King County: 50.2 %Kitsap County: 49.2 %Kittitas County: 49.6 %Klickitat County: 49.1 %Lewis County: 50 %Lincoln County: 49.4 %Mason County: 48.6 %Okanogan County: 49.2 %Pacific County: 49.5 %Pend Oreille County: 49.4 %Pierce County: 50.3 %San Juan County: 51.5 %Skagit County: 50.6 %Skamania County: 48.9 %Snohomish County: 50 %Spokane County: 50.5 %Stevens County: 50.1 %Thurston County: 51.2 %Wahkiakum County: 49.7 %Walla Walla County: 48.7 %Whatcom County: 50.6 %Whitman County: 49.5 %Yakima County: 49.9 %
  • Under 49
  • 49 to 50
  • 50 to 51
  • 51 and over
%, 2015. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2015

San Juan County: 51.5 %San Juan County51.5Asotin County: 51.5 %Asotin County51.5Thurston County: 51.2 %Thurston County51.2Columbia County: 50.9 %Columbia County50.9Clark County: 50.6 %Clark County50.6Skagit County: 50.6 %Skagit County50.6Whatcom County: 50.6 %Whatcom County50.6Jefferson County: 50.6 %Jefferson County50.6Cowlitz County: 50.6 %Cowlitz County50.6Clallam County: 50.6 %Clallam County50.6Spokane County: 50.5 %Spokane County50.5Island County: 50.3 %Island County50.3Pierce County: 50.3 %Pierce County50.3Benton County: 50.2 %Benton County50.2Chelan County: 50.2 %Chelan County50.2King County: 50.2 %King County50.2Stevens County: 50.1 %Stevens County50.1Garfield County: 50 %Garfield County50Snohomish County: 50 %Snohomish County50Lewis County: 50 %Lewis County50Yakima County: 49.9 %Yakima County49.9Douglas County: 49.7 %Douglas County49.7Wahkiakum County: 49.7 %Wahkiakum County49.7Kittitas County: 49.6 %Kittitas County49.6Whitman County: 49.5 %Whitman County49.5Pacific County: 49.5 %Pacific County49.5Lincoln County: 49.4 %Lincoln County49.4Pend Oreille County: 49.4 %Pend Oreille County49.4Okanogan County: 49.2 %Okanogan County49.2Kitsap County: 49.2 %Kitsap County49.2Grant County: 49.2 %Grant County49.2Klickitat County: 49.1 %Klickitat County49.1Adams County: 48.9 %Adams County48.9Skamania County: 48.9 %Skamania County48.9Walla Walla County: 48.7 %Walla Walla County48.7Mason County: 48.6 %Mason County48.6Grays Harbor County: 48.5 %Grays Harbor County48.5Ferry County: 48.4 %Ferry County48.4Franklin County: 48.1 %Franklin County48.1San Juan County: 51.5 %San Juan County51.5Asotin County: 51.5 %Asotin County51.5Thurston County: 51.2 %Thurston County51.2Columbia County: 50.9 %Columbia County50.9Clark County: 50.6 %Clark County50.6Skagit County: 50.6 %Skagit County50.6Whatcom County: 50.6 %Whatcom County50.6Jefferson County: 50.6 %Jefferson County50.6Cowlitz County: 50.6 %Cowlitz County50.6Clallam County: 50.6 %Clallam County50.6Spokane County: 50.5 %Spokane County50.5Island County: 50.3 %Island County50.3Pierce County: 50.3 %Pierce County50.3Benton County: 50.2 %Benton County50.2Chelan County: 50.2 %Chelan County50.2King County: 50.2 %King County50.2Stevens County: 50.1 %Stevens County50.1Garfield County: 50 %Garfield County50Snohomish County: 50 %Snohomish County50Lewis County: 50 %Lewis County50Yakima County: 49.9 %Yakima County49.9Douglas County: 49.7 %Douglas County49.7Wahkiakum County: 49.7 %Wahkiakum County49.7Kittitas County: 49.6 %Kittitas County49.6Whitman County: 49.5 %Whitman County49.5Pacific County: 49.5 %Pacific County49.5Lincoln County: 49.4 %Lincoln County49.4Pend Oreille County: 49.4 %Pend Oreille County49.4Okanogan County: 49.2 %Okanogan County49.2Kitsap County: 49.2 %Kitsap County49.2Grant County: 49.2 %Grant County49.2Klickitat County: 49.1 %Klickitat County49.1Adams County: 48.9 %Adams County48.9Skamania County: 48.9 %Skamania County48.9Walla Walla County: 48.7 %Walla Walla County48.7Mason County: 48.6 %Mason County48.6Grays Harbor County: 48.5 %Grays Harbor County48.5Ferry County: 48.4 %Ferry County48.4Franklin County: 48.1 %Franklin County48.1
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2015 (%)Change on 2014
1San Juan County51.5-0.3 pts
2Asotin County51.5-0.2 pts
3Thurston County51.2+0.1 pts
4Columbia County50.9+0.4 pts
5Clark County50.60 pts
6Skagit County50.60 pts
7Whatcom County50.6-0 pts
8Jefferson County50.6-0.1 pts
9Cowlitz County50.6-0 pts
10Clallam County50.6+0.1 pts
11Spokane County50.5-0 pts
12Island County50.3-0.2 pts
13Pierce County50.3+0.1 pts
14Benton County50.2+0.1 pts
15Chelan County50.2-0 pts
16King County50.2-0 pts
17Stevens County50.1-0 pts
18Garfield County50-0.2 pts
19Snohomish County50+0.1 pts
20Lewis County500 pts
21Yakima County49.9-0.1 pts
22Douglas County49.7+0.1 pts
23Wahkiakum County49.7-0.7 pts
24Kittitas County49.6-0.1 pts
25Whitman County49.5+0.1 pts
26Pacific County49.5-0.2 pts
27Lincoln County49.4-0.3 pts
28Pend Oreille County49.4-0 pts
29Okanogan County49.2-0.1 pts
30Kitsap County49.2-0.1 pts
31Grant County49.2-0.1 pts
32Klickitat County49.1+0.1 pts
33Adams County48.9-0.2 pts
34Skamania County48.9+0.1 pts
35Walla Walla County48.7-0.3 pts
36Mason County48.6+0.1 pts
37Grays Harbor County48.50 pts
38Ferry County48.4-0.2 pts
39Franklin County48.1+0.1 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, 2015) [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, 2015. 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?period=2015. 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, 2015. 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?period=2015.

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, 2015 [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?period=2015 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_washington_by_2015,
  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, 2015}},
  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?period=2015. 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, 2015
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?period=2015
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/female-population-share/washington-counties?period=2015.
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  - 
Embed this chart

Paste this code into a web page or a blog post. The chart shows the latest figures as they are published, with the source and a link back to this page.

Sites that read oEmbed links, such as WordPress, can show the chart when you paste the link to this page.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Washington by female population share using official data, and cite the source.
rank_places {"indicator":"female_share","level":"province","within":"Washington","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=female_share&level=province&within=Washington&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which county has the highest female population share?

San Juan County, with 51.5% in 2015, according to the U.S. Census Bureau.

Which county has the lowest female population share?

Franklin County, with 48.1% in 2015.

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