Counties in California by female population share

Yolo County had the highest female population share of 58 counties in 2020, at 51.9%. Lassen County had the lowest, at 37%. The median was 50.2% and the figure for California was 50.5%. Source: the U.S. Census Bureau.

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Highest51.9Yolo County
Median50.258 counties
California50.5History

Map of counties, 2020

Alameda County: 51 %Alpine County: 49.2 %Amador County: 45.6 %Butte County: 50.6 %Calaveras County: 49.7 %Colusa County: 49.5 %Contra Costa County: 51.3 %Del Norte County: 46 %El Dorado County: 50.5 %Fresno County: 50.3 %Glenn County: 49.8 %Humboldt County: 50.4 %Imperial County: 49.8 %Inyo County: 49.6 %Kern County: 49.6 %Kings County: 45.8 %Lake County: 49.3 %Lassen County: 37 %Los Angeles County: 51 %Madera County: 50.1 %Marin County: 51.1 %Mariposa County: 49.9 %Mendocino County: 50 %Merced County: 50.1 %Modoc County: 50 %Mono County: 46.5 %Monterey County: 49.4 %Napa County: 50.9 %Nevada County: 50.6 %Orange County: 50.9 %Placer County: 51.3 %Plumas County: 49.8 %Riverside County: 50.4 %Sacramento County: 51.1 %San Benito County: 50.3 %San Bernardino County: 50.5 %San Diego County: 50.2 %San Francisco County: 49 %San Joaquin County: 50.2 %San Luis Obispo County: 50.3 %San Mateo County: 50.6 %Santa Barbara County: 50.4 %Santa Clara County: 49.6 %Santa Cruz County: 50.4 %Shasta County: 50.8 %Sierra County: 49.6 %Siskiyou County: 50.3 %Solano County: 50.5 %Sonoma County: 51.2 %Stanislaus County: 50.7 %Sutter County: 50.2 %Tehama County: 50.1 %Trinity County: 43.8 %Tulare County: 50.4 %Tuolumne County: 48.4 %Ventura County: 50.9 %Yolo County: 51.9 %Yuba County: 49.7 %
  • Under 49
  • 49 to 50
  • 50 to 51
  • 51 and over
%, 2020. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2020

Yolo County: 51.9 %Yolo County51.9Placer County: 51.3 %Placer County51.3Contra Costa County: 51.3 %Contra Costa County51.3Sonoma County: 51.2 %Sonoma County51.2Marin County: 51.1 %Marin County51.1Sacramento County: 51.1 %Sacramento County51.1Los Angeles County: 51 %Los Angeles County51Alameda County: 51 %Alameda County51Orange County: 50.9 %Orange County50.9Napa County: 50.9 %Napa County50.9Ventura County: 50.9 %Ventura County50.9Shasta County: 50.8 %Shasta County50.8Stanislaus County: 50.7 %Stanislaus County50.7Nevada County: 50.6 %Nevada County50.6San Mateo County: 50.6 %San Mateo County50.6Butte County: 50.6 %Butte County50.6San Bernardino County: 50.5 %San Bernardino County50.5Solano County: 50.5 %Solano County50.5El Dorado County: 50.5 %El Dorado County50.5Humboldt County: 50.4 %Humboldt County50.4Santa Barbara County: 50.4 %Santa Barbara County50.4Santa Cruz County: 50.4 %Santa Cruz County50.4Tulare County: 50.4 %Tulare County50.4Riverside County: 50.4 %Riverside County50.4San Luis Obispo County: 50.3 %San Luis Obispo County50.3Siskiyou County: 50.3 %Siskiyou County50.3Fresno County: 50.3 %Fresno County50.3San Benito County: 50.3 %San Benito County50.3San Joaquin County: 50.2 %San Joaquin County50.2Sutter County: 50.2 %Sutter County50.2San Diego County: 50.2 %San Diego County50.2Merced County: 50.1 %Merced County50.1Tehama County: 50.1 %Tehama County50.1Madera County: 50.1 %Madera County50.1Modoc County: 50 %Modoc County50Mendocino County: 50 %Mendocino County50Mariposa County: 49.9 %Mariposa County49.9Glenn County: 49.8 %Glenn County49.8Plumas County: 49.8 %Plumas County49.8Imperial County: 49.8 %Imperial County49.8Calaveras County: 49.7 %Calaveras County49.7Yuba County: 49.7 %Yuba County49.7Santa Clara County: 49.6 %Santa Clara County49.6Sierra County: 49.6 %Sierra County49.6Kern County: 49.6 %Kern County49.6Inyo County: 49.6 %Inyo County49.6Colusa County: 49.5 %Colusa County49.5Monterey County: 49.4 %Monterey County49.4Lake County: 49.3 %Lake County49.3Alpine County: 49.2 %Alpine County49.2San Francisco County: 49 %San Francisco County49Tuolumne County: 48.4 %Tuolumne County48.4Mono County: 46.5 %Mono County46.5Del Norte County: 46 %Del Norte County46Kings County: 45.8 %Kings County45.8Amador County: 45.6 %Amador County45.6Trinity County: 43.8 %Trinity County43.8Lassen County: 37 %Lassen County37Yolo County: 51.9 %Yolo County51.9Placer County: 51.3 %Placer County51.3Contra Costa County: 51.3 %Contra Costa County51.3Sonoma County: 51.2 %Sonoma County51.2Marin County: 51.1 %Marin County51.1Sacramento County: 51.1 %Sacramento County51.1Los Angeles County: 51 %Los Angeles County51Alameda County: 51 %Alameda County51Orange County: 50.9 %Orange County50.9Napa County: 50.9 %Napa County50.9Ventura County: 50.9 %Ventura County50.9Shasta County: 50.8 %Shasta County50.8Stanislaus County: 50.7 %Stanislaus County50.7Nevada County: 50.6 %Nevada County50.6San Mateo County: 50.6 %San Mateo County50.6Butte County: 50.6 %Butte County50.6San Bernardino County: 50.5 %San Bernardino County50.5Solano County: 50.5 %Solano County50.5El Dorado County: 50.5 %El Dorado County50.5Humboldt County: 50.4 %Humboldt County50.4Santa Barbara County: 50.4 %Santa Barbara County50.4Santa Cruz County: 50.4 %Santa Cruz County50.4Tulare County: 50.4 %Tulare County50.4Riverside County: 50.4 %Riverside County50.4San Luis Obispo County: 50.3 %San Luis Obispo County50.3Siskiyou County: 50.3 %Siskiyou County50.3Fresno County: 50.3 %Fresno County50.3San Benito County: 50.3 %San Benito County50.3San Joaquin County: 50.2 %San Joaquin County50.2Sutter County: 50.2 %Sutter County50.2San Diego County: 50.2 %San Diego County50.2Merced County: 50.1 %Merced County50.1Tehama County: 50.1 %Tehama County50.1Madera County: 50.1 %Madera County50.1Modoc County: 50 %Modoc County50Mendocino County: 50 %Mendocino County50Mariposa County: 49.9 %Mariposa County49.9Glenn County: 49.8 %Glenn County49.8Plumas County: 49.8 %Plumas County49.8Imperial County: 49.8 %Imperial County49.8Calaveras County: 49.7 %Calaveras County49.7Yuba County: 49.7 %Yuba County49.7Santa Clara County: 49.6 %Santa Clara County49.6Sierra County: 49.6 %Sierra County49.6Kern County: 49.6 %Kern County49.6Inyo County: 49.6 %Inyo County49.6Colusa County: 49.5 %Colusa County49.5Monterey County: 49.4 %Monterey County49.4Lake County: 49.3 %Lake County49.3Alpine County: 49.2 %Alpine County49.2San Francisco County: 49 %San Francisco County49Tuolumne County: 48.4 %Tuolumne County48.4Mono County: 46.5 %Mono County46.5Del Norte County: 46 %Del Norte County46Kings County: 45.8 %Kings County45.8Amador County: 45.6 %Amador County45.6Trinity County: 43.8 %Trinity County43.8Lassen County: 37 %Lassen County37
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2020 (%)Change on 2019
1Yolo County51.9+0.1 pts
2Placer County51.30 pts
3Contra Costa County51.30 pts
4Sonoma County51.2-0 pts
5Marin County51.1+0.1 pts
6Sacramento County51.1-0 pts
7Los Angeles County510 pts
8Alameda County51-0 pts
9Orange County50.90 pts
10Napa County50.9+0.1 pts
11Ventura County50.90 pts
12Shasta County50.80 pts
13Stanislaus County50.7-0 pts
14Nevada County50.6-0.1 pts
15San Mateo County50.6-0 pts
16Butte County50.6-0 pts
17San Bernardino County50.5-0 pts
18Solano County50.5+0.1 pts
19El Dorado County50.5+0.1 pts
20Humboldt County50.4+0.1 pts
21Santa Barbara County50.4-0 pts
22Santa Cruz County50.40 pts
23Tulare County50.40 pts
24Riverside County50.4-0.1 pts
25San Luis Obispo County50.3+0.1 pts
26Siskiyou County50.30 pts
27Fresno County50.3-0 pts
28San Benito County50.3-0.1 pts
29San Joaquin County50.2-0 pts
30Sutter County50.2-0 pts
31San Diego County50.2-0 pts
32Merced County50.10 pts
33Tehama County50.1-0 pts
34Madera County50.1-0.3 pts
35Modoc County50+0.2 pts
36Mendocino County50-0 pts
37Mariposa County49.9+0.3 pts
38Glenn County49.8-0 pts
39Plumas County49.80 pts
40Imperial County49.8+0.1 pts
41Calaveras County49.7-0.1 pts
42Yuba County49.7+0.1 pts
43Santa Clara County49.6-0 pts
43Sierra County49.6-0.4 pts
45Kern County49.6+0.4 pts
46Inyo County49.6+0.2 pts
47Colusa County49.5-0.1 pts
48Monterey County49.4-0.1 pts
49Lake County49.3-0.1 pts
50Alpine County49.2+2.2 pts
51San Francisco County49+0.1 pts
52Tuolumne County48.4-0 pts
53Mono County46.5-0.4 pts
54Del Norte County46+0.1 pts
55Kings County45.8+0.1 pts
56Amador County45.6+0.1 pts
57Trinity County43.8-0.1 pts
58Lassen County37+0.9 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 California by female population share, 2020) [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 California by female population share, 2020. 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/california-counties?period=2020. 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 California by female population share, 2020. 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/california-counties?period=2020.

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 California by female population share, 2020 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/female-population-share/california-counties?period=2020 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_california_by_2020,
  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 California by female population share, 2020}},
  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/california-counties?period=2020. 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 California by female population share, 2020
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/california-counties?period=2020
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/female-population-share/california-counties?period=2020.
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?

Yolo County, with 51.9% in 2020, according to the U.S. Census Bureau.

Which county has the lowest female population share?

Lassen County, with 37% in 2020.

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 California: more rankings