Data / Rankings / Female population share / Counties in Iowa

Counties in Iowa by female population share, 2025

Poweshiek County had the highest female population share of 99 counties in 2025, at 51.4%. Page County had the lowest, at 46.5%. The median was 49.9% and the figure for Iowa was 50.2%. Source: the U.S. Census Bureau.

Keep it in a collection in your library.
Highest51.4Poweshiek County
Lowest46.5Page County
Median49.999 counties
Iowa50.2History

Map of counties, 2025

Adair County: 49.8 %Adams County: 50.5 %Allamakee County: 49.2 %Appanoose County: 49.9 %Audubon County: 49.7 %Benton County: 50 %Black Hawk County: 51.3 %Boone County: 49.8 %Bremer County: 50.5 %Buchanan County: 50.2 %Buena Vista County: 50 %Butler County: 49.6 %Calhoun County: 48 %Carroll County: 50.1 %Cass County: 51.2 %Cedar County: 50.4 %Cerro Gordo County: 51 %Cherokee County: 49.7 %Chickasaw County: 49.4 %Clarke County: 49.3 %Clay County: 50.9 %Clayton County: 50 %Clinton County: 50.6 %Crawford County: 48.8 %Dallas County: 50.7 %Davis County: 48.9 %Decatur County: 50.5 %Delaware County: 49.4 %Des Moines County: 50.7 %Dickinson County: 50.6 %Dubuque County: 50.5 %Emmet County: 49.1 %Fayette County: 49.5 %Floyd County: 50.4 %Franklin County: 49.9 %Fremont County: 50 %Greene County: 50.7 %Grundy County: 50.7 %Guthrie County: 50.3 %Hamilton County: 49.3 %Hancock County: 49.3 %Hardin County: 49 %Harrison County: 49.6 %Henry County: 48.2 %Howard County: 49 %Humboldt County: 50.4 %Ida County: 50.3 %Iowa County: 49.7 %Jackson County: 50.2 %Jasper County: 48.1 %Jefferson County: 48.8 %Johnson County: 50.7 %Jones County: 46.7 %Keokuk County: 49.7 %Kossuth County: 49 %Lee County: 49.7 %Linn County: 51 %Louisa County: 49.5 %Lucas County: 49.4 %Lyon County: 48.9 %Madison County: 50.3 %Mahaska County: 49.5 %Marion County: 50 %Marshall County: 50 %Mills County: 50.2 %Mitchell County: 50.4 %Monona County: 51.3 %Monroe County: 50.2 %Montgomery County: 50.7 %Muscatine County: 50.1 %O'Brien County: 49.7 %Osceola County: 49.5 %Page County: 46.5 %Palo Alto County: 49.7 %Plymouth County: 49.8 %Pocahontas County: 50.3 %Polk County: 50.6 %Pottawattamie County: 50.4 %Poweshiek County: 51.4 %Ringgold County: 50 %Sac County: 50.1 %Scott County: 50.8 %Shelby County: 50.4 %Sioux County: 49.1 %Story County: 47.8 %Tama County: 49.5 %Taylor County: 49.6 %Union County: 50.2 %Van Buren County: 49.1 %Wapello County: 49.3 %Warren County: 50.6 %Washington County: 51.1 %Wayne County: 50 %Webster County: 47.8 %Winnebago County: 49.5 %Winneshiek County: 49.9 %Woodbury County: 49.9 %Worth County: 49 %Wright County: 49.8 %
  • Under 49
  • 49 to 50
  • 50 to 51
  • 51 and over
%, 2025. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2025

Poweshiek County: 51.4 %Poweshiek County51.4Monona County: 51.3 %Monona County51.3Black Hawk County: 51.3 %Black Hawk County51.3Cass County: 51.2 %Cass County51.2Washington County: 51.1 %Washington County51.1Cerro Gordo County: 51 %Cerro Gordo County51Linn County: 51 %Linn County51Clay County: 50.9 %Clay County50.9Scott County: 50.8 %Scott County50.8Des Moines County: 50.7 %Des Moines County50.7Dallas County: 50.7 %Dallas County50.7Greene County: 50.7 %Greene County50.7Grundy County: 50.7 %Grundy County50.7Johnson County: 50.7 %Johnson County50.7Montgomery County: 50.7 %Montgomery County50.7Warren County: 50.6 %Warren County50.6Polk County: 50.6 %Polk County50.6Clinton County: 50.6 %Clinton County50.6Dickinson County: 50.6 %Dickinson County50.6Bremer County: 50.5 %Bremer County50.5Adams County: 50.5 %Adams County50.5Decatur County: 50.5 %Decatur County50.5Dubuque County: 50.5 %Dubuque County50.5Pottawattamie County: 50.4 %Pottawattamie County50.4Humboldt County: 50.4 %Humboldt County50.4Cedar County: 50.4 %Cedar County50.4Floyd County: 50.4 %Floyd County50.4Shelby County: 50.4 %Shelby County50.4Mitchell County: 50.4 %Mitchell County50.4Guthrie County: 50.3 %Guthrie County50.3Madison County: 50.3 %Madison County50.3Ida County: 50.3 %Ida County50.3Pocahontas County: 50.3 %Pocahontas County50.3Monroe County: 50.2 %Monroe County50.2Union County: 50.2 %Union County50.2Jackson County: 50.2 %Jackson County50.2Mills County: 50.2 %Mills County50.2Buchanan County: 50.2 %Buchanan County50.2Carroll County: 50.1 %Carroll County50.1Muscatine County: 50.1 %Muscatine County50.1Poweshiek County: 51.4 %Poweshiek County51.4Monona County: 51.3 %Monona County51.3Black Hawk County: 51.3 %Black Hawk County51.3Cass County: 51.2 %Cass County51.2Washington County: 51.1 %Washington County51.1Cerro Gordo County: 51 %Cerro Gordo County51Linn County: 51 %Linn County51Clay County: 50.9 %Clay County50.9Scott County: 50.8 %Scott County50.8Des Moines County: 50.7 %Des Moines County50.7Dallas County: 50.7 %Dallas County50.7Greene County: 50.7 %Greene County50.7Grundy County: 50.7 %Grundy County50.7Johnson County: 50.7 %Johnson County50.7Montgomery County: 50.7 %Montgomery County50.7Warren County: 50.6 %Warren County50.6Polk County: 50.6 %Polk County50.6Clinton County: 50.6 %Clinton County50.6Dickinson County: 50.6 %Dickinson County50.6Bremer County: 50.5 %Bremer County50.5Adams County: 50.5 %Adams County50.5Decatur County: 50.5 %Decatur County50.5Dubuque County: 50.5 %Dubuque County50.5Pottawattamie County: 50.4 %Pottawattamie County50.4Humboldt County: 50.4 %Humboldt County50.4Cedar County: 50.4 %Cedar County50.4Floyd County: 50.4 %Floyd County50.4Shelby County: 50.4 %Shelby County50.4Mitchell County: 50.4 %Mitchell County50.4Guthrie County: 50.3 %Guthrie County50.3Madison County: 50.3 %Madison County50.3Ida County: 50.3 %Ida County50.3Pocahontas County: 50.3 %Pocahontas County50.3Monroe County: 50.2 %Monroe County50.2Union County: 50.2 %Union County50.2Jackson County: 50.2 %Jackson County50.2Mills County: 50.2 %Mills County50.2Buchanan County: 50.2 %Buchanan County50.2Carroll County: 50.1 %Carroll County50.1Muscatine County: 50.1 %Muscatine County50.1
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2025 (%)Change on 2024
1Poweshiek County51.4-0 pts
2Monona County51.3-0 pts
3Black Hawk County51.3+0.1 pts
4Cass County51.2-0 pts
5Washington County51.1+0.2 pts
6Cerro Gordo County51-0.1 pts
7Linn County51-0 pts
8Clay County50.9+0.1 pts
9Scott County50.80 pts
10Des Moines County50.7-0 pts
11Dallas County50.7-0 pts
12Greene County50.7-0.3 pts
13Grundy County50.70 pts
14Johnson County50.70 pts
15Montgomery County50.7-0.2 pts
16Warren County50.60 pts
17Polk County50.6+0.1 pts
18Clinton County50.6-0.1 pts
19Dickinson County50.6-0.1 pts
20Bremer County50.50 pts
21Adams County50.5+0.2 pts
22Decatur County50.50 pts
23Dubuque County50.50 pts
24Pottawattamie County50.40 pts
25Humboldt County50.4-0 pts
26Cedar County50.40 pts
27Floyd County50.40 pts
28Shelby County50.4+0.1 pts
29Mitchell County50.4+0.3 pts
30Guthrie County50.3+0.3 pts
31Madison County50.3-0 pts
32Ida County50.3+0.2 pts
33Pocahontas County50.3-0 pts
34Monroe County50.2+0.1 pts
35Union County50.2-0.2 pts
36Jackson County50.2+0.1 pts
37Mills County50.2+0.2 pts
38Buchanan County50.2-0.1 pts
39Carroll County50.1-0.2 pts
40Muscatine County50.1-0 pts
41Sac County50.1-0.2 pts
42Ringgold County50-0.3 pts
43Benton County50+0.2 pts
44Wayne County50+0.1 pts
45Marion County50-0 pts
46Fremont County50+0.1 pts
47Marshall County50+0.2 pts
48Buena Vista County50+0.3 pts
49Clayton County500 pts
50Winneshiek County49.9-0 pts
51Franklin County49.9+0.2 pts
52Appanoose County49.9+0.1 pts
53Woodbury County49.9+0.1 pts
54Boone County49.8+0.1 pts
55Wright County49.8+0.1 pts
56Plymouth County49.8-0 pts
57Adair County49.8-0.3 pts
58Audubon County49.70 pts
59Cherokee County49.7-0.1 pts
60Palo Alto County49.7-0 pts
61Lee County49.7-0.1 pts
62Keokuk County49.7-0 pts
63Iowa County49.70 pts
63O'Brien County49.7+0.2 pts
65Butler County49.6-0.1 pts
66Taylor County49.6+0.3 pts
67Harrison County49.60 pts
68Tama County49.50 pts
69Winnebago County49.5-0 pts
70Mahaska County49.5-0.3 pts
71Louisa County49.5+0.1 pts
72Osceola County49.5+0.1 pts
73Fayette County49.5+0.1 pts
74Lucas County49.4-0.2 pts
75Delaware County49.4-0.2 pts
76Chickasaw County49.4+0.1 pts
77Clarke County49.30 pts
78Hamilton County49.3-0.1 pts
79Wapello County49.3-0.1 pts
80Hancock County49.3-0.4 pts
81Allamakee County49.2-0.1 pts
82Sioux County49.1-0.1 pts
83Van Buren County49.1+0.2 pts
84Emmet County49.1-0.1 pts
85Hardin County49-0.2 pts
85Howard County49-0.2 pts
87Kossuth County49-0.3 pts
88Worth County49-0.2 pts
89Davis County48.9-0.2 pts
90Lyon County48.9+0.1 pts
91Crawford County48.8+0.1 pts
92Jefferson County48.8+0.1 pts
93Henry County48.20 pts
94Jasper County48.10 pts
95Calhoun County480 pts
96Webster County47.80 pts
97Story County47.80 pts
98Jones County46.7-0.2 pts
99Page County46.5+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 Iowa 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 Iowa 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/iowa-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 Iowa 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/iowa-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 Iowa 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/iowa-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_iowa_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 Iowa 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/iowa-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 Iowa 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/iowa-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/female-population-share/iowa-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  -
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 Iowa by female population share using official data, and cite the source.
rank_places {"indicator":"female_share","level":"province","within":"Iowa","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=female_share&level=province&within=Iowa&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?

Poweshiek County, with 51.4% in 2025, according to the U.S. Census Bureau.

Which county has the lowest female population share?

Page County, with 46.5% 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 Iowa: more rankings