Counties in Idaho by female population share

Madison County had the highest female population share of 44 counties in 2020, at 50.9%. Clearwater County had the lowest, at 45.3%. The median was 49.4% and the figure for Idaho was 50%. Source: the U.S. Census Bureau.

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Highest50.9Madison County
Median49.444 counties
Idaho50History

Map of counties, 2020

Ada County: 50.2 %Adams County: 47.7 %Bannock County: 50.3 %Bear Lake County: 49.9 %Benewah County: 49.1 %Bingham County: 50.1 %Blaine County: 50 %Boise County: 47.5 %Bonner County: 49.8 %Bonneville County: 50.2 %Boundary County: 49.2 %Butte County: 49.6 %Camas County: 48.8 %Canyon County: 50.4 %Caribou County: 49 %Cassia County: 49 %Clark County: 49.3 %Clearwater County: 45.3 %Custer County: 47.6 %Elmore County: 48 %Franklin County: 49.2 %Fremont County: 48.2 %Gem County: 49.8 %Gooding County: 48.7 %Idaho County: 47.5 %Jefferson County: 49.4 %Jerome County: 48.7 %Kootenai County: 50.5 %Latah County: 49.5 %Lemhi County: 49.7 %Lewis County: 48.6 %Lincoln County: 47.5 %Madison County: 50.9 %Minidoka County: 49.9 %Nez Perce County: 50.8 %Oneida County: 49.8 %Owyhee County: 49.1 %Payette County: 50 %Power County: 49.5 %Shoshone County: 49.6 %Teton County: 48 %Twin Falls County: 50.5 %Valley County: 49 %Washington County: 50.8 %
  • Under 48
  • 48 to 49
  • 49 to 50
  • 50 and over
%, 2020. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2020

Madison County: 50.9 %Madison County50.9Nez Perce County: 50.8 %Nez Perce County50.8Washington County: 50.8 %Washington County50.8Kootenai County: 50.5 %Kootenai County50.5Twin Falls County: 50.5 %Twin Falls County50.5Canyon County: 50.4 %Canyon County50.4Bannock County: 50.3 %Bannock County50.3Bonneville County: 50.2 %Bonneville County50.2Ada County: 50.2 %Ada County50.2Bingham County: 50.1 %Bingham County50.1Payette County: 50 %Payette County50Blaine County: 50 %Blaine County50Minidoka County: 49.9 %Minidoka County49.9Bear Lake County: 49.9 %Bear Lake County49.9Bonner County: 49.8 %Bonner County49.8Gem County: 49.8 %Gem County49.8Oneida County: 49.8 %Oneida County49.8Lemhi County: 49.7 %Lemhi County49.7Shoshone County: 49.6 %Shoshone County49.6Butte County: 49.6 %Butte County49.6Latah County: 49.5 %Latah County49.5Power County: 49.5 %Power County49.5Jefferson County: 49.4 %Jefferson County49.4Clark County: 49.3 %Clark County49.3Franklin County: 49.2 %Franklin County49.2Boundary County: 49.2 %Boundary County49.2Benewah County: 49.1 %Benewah County49.1Owyhee County: 49.1 %Owyhee County49.1Valley County: 49 %Valley County49Caribou County: 49 %Caribou County49Cassia County: 49 %Cassia County49Camas County: 48.8 %Camas County48.8Gooding County: 48.7 %Gooding County48.7Jerome County: 48.7 %Jerome County48.7Lewis County: 48.6 %Lewis County48.6Fremont County: 48.2 %Fremont County48.2Teton County: 48 %Teton County48Elmore County: 48 %Elmore County48Adams County: 47.7 %Adams County47.7Custer County: 47.6 %Custer County47.6Idaho County: 47.5 %Idaho County47.5Lincoln County: 47.5 %Lincoln County47.5Boise County: 47.5 %Boise County47.5Clearwater County: 45.3 %Clearwater County45.3Madison County: 50.9 %Madison County50.9Nez Perce County: 50.8 %Nez Perce County50.8Washington County: 50.8 %Washington County50.8Kootenai County: 50.5 %Kootenai County50.5Twin Falls County: 50.5 %Twin Falls County50.5Canyon County: 50.4 %Canyon County50.4Bannock County: 50.3 %Bannock County50.3Bonneville County: 50.2 %Bonneville County50.2Ada County: 50.2 %Ada County50.2Bingham County: 50.1 %Bingham County50.1Payette County: 50 %Payette County50Blaine County: 50 %Blaine County50Minidoka County: 49.9 %Minidoka County49.9Bear Lake County: 49.9 %Bear Lake County49.9Bonner County: 49.8 %Bonner County49.8Gem County: 49.8 %Gem County49.8Oneida County: 49.8 %Oneida County49.8Lemhi County: 49.7 %Lemhi County49.7Shoshone County: 49.6 %Shoshone County49.6Butte County: 49.6 %Butte County49.6Latah County: 49.5 %Latah County49.5Power County: 49.5 %Power County49.5Jefferson County: 49.4 %Jefferson County49.4Clark County: 49.3 %Clark County49.3Franklin County: 49.2 %Franklin County49.2Boundary County: 49.2 %Boundary County49.2Benewah County: 49.1 %Benewah County49.1Owyhee County: 49.1 %Owyhee County49.1Valley County: 49 %Valley County49Caribou County: 49 %Caribou County49Cassia County: 49 %Cassia County49Camas County: 48.8 %Camas County48.8Gooding County: 48.7 %Gooding County48.7Jerome County: 48.7 %Jerome County48.7Lewis County: 48.6 %Lewis County48.6Fremont County: 48.2 %Fremont County48.2Teton County: 48 %Teton County48Elmore County: 48 %Elmore County48Adams County: 47.7 %Adams County47.7Custer County: 47.6 %Custer County47.6Idaho County: 47.5 %Idaho County47.5Lincoln County: 47.5 %Lincoln County47.5Boise County: 47.5 %Boise County47.5Clearwater County: 45.3 %Clearwater County45.3
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2020 (%)Change on 2019
1Madison County50.9+0.4 pts
2Nez Perce County50.8-0 pts
3Washington County50.80 pts
4Kootenai County50.5-0 pts
5Twin Falls County50.50 pts
6Canyon County50.4-0.1 pts
7Bannock County50.3-0.1 pts
8Bonneville County50.20 pts
9Ada County50.20 pts
10Bingham County50.1+0.1 pts
11Payette County500 pts
12Blaine County500 pts
13Minidoka County49.9-0.1 pts
14Bear Lake County49.9-0.1 pts
15Bonner County49.8-0 pts
16Gem County49.8-0.1 pts
17Oneida County49.8+0.2 pts
18Lemhi County49.7+0.3 pts
19Shoshone County49.6-0.2 pts
20Butte County49.6-0.5 pts
21Latah County49.5-0.1 pts
22Power County49.5-0 pts
23Jefferson County49.4-0.1 pts
24Clark County49.3+0.1 pts
25Franklin County49.2-0.1 pts
26Boundary County49.2-0.2 pts
27Benewah County49.1+0.1 pts
28Owyhee County49.1+0.4 pts
29Valley County49+0.2 pts
30Caribou County49+0.2 pts
31Cassia County49-0 pts
32Camas County48.8-0.3 pts
33Gooding County48.7-0.2 pts
34Jerome County48.7-0 pts
35Lewis County48.6-0 pts
36Fremont County48.2+0.1 pts
37Teton County48+0.1 pts
38Elmore County48-0.2 pts
39Adams County47.7-0.6 pts
40Custer County47.6-0.5 pts
41Idaho County47.5+0.1 pts
42Lincoln County47.5+0.2 pts
43Boise County47.5-0.6 pts
44Clearwater County45.3-0.1 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 Idaho 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 Idaho 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/idaho-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 Idaho 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/idaho-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 Idaho 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/idaho-counties?period=2020 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_idaho_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 Idaho 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/idaho-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 Idaho 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/idaho-counties?period=2020
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/female-population-share/idaho-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?

Madison County, with 50.9% in 2020, according to the U.S. Census Bureau.

Which county has the lowest female population share?

Clearwater County, with 45.3% 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 Idaho: more rankings