Data / Rankings / Female population share / Counties in Iowa

Counties in Iowa by female population share

Poweshiek County had the highest female population share of 99 counties in 2017, at 51.7%. Page County had the lowest, at 47.2%. The median was 50.2% and the figure for Iowa was 50.3%. Source: the U.S. Census Bureau.

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Highest51.7Poweshiek County
Lowest47.2Page County
Median50.299 counties
Iowa50.3History

Map of counties, 2017

Adair County: 50.8 %Adams County: 50.7 %Allamakee County: 49.2 %Appanoose County: 50.8 %Audubon County: 50 %Benton County: 49.9 %Black Hawk County: 51.1 %Boone County: 49.9 %Bremer County: 50.6 %Buchanan County: 50.3 %Buena Vista County: 49.4 %Butler County: 50.2 %Calhoun County: 48.1 %Carroll County: 50.8 %Cass County: 51.1 %Cedar County: 50.3 %Cerro Gordo County: 51.1 %Cherokee County: 49.8 %Chickasaw County: 49.8 %Clarke County: 49.9 %Clay County: 51 %Clayton County: 49.4 %Clinton County: 51 %Crawford County: 49.1 %Dallas County: 50.9 %Davis County: 50.6 %Decatur County: 49.9 %Delaware County: 49.7 %Des Moines County: 51.1 %Dickinson County: 50.5 %Dubuque County: 50.5 %Emmet County: 49.5 %Fayette County: 49.2 %Floyd County: 50.6 %Franklin County: 49.8 %Fremont County: 50.2 %Greene County: 50.9 %Grundy County: 51 %Guthrie County: 50.4 %Hamilton County: 49.8 %Hancock County: 49.9 %Hardin County: 49.7 %Harrison County: 50.1 %Henry County: 48 %Howard County: 49.2 %Humboldt County: 50.7 %Ida County: 50.5 %Iowa County: 50.2 %Jackson County: 50 %Jasper County: 48.5 %Jefferson County: 47.9 %Johnson County: 50.3 %Jones County: 47.5 %Keokuk County: 49.3 %Kossuth County: 49.7 %Lee County: 49.8 %Linn County: 50.8 %Louisa County: 49.1 %Lucas County: 49.8 %Lyon County: 49.2 %Madison County: 50.2 %Mahaska County: 50 %Marion County: 50.5 %Marshall County: 49.4 %Mills County: 49.8 %Mitchell County: 50.6 %Monona County: 51 %Monroe County: 50.2 %Montgomery County: 51.1 %Muscatine County: 50.4 %O'Brien County: 49.9 %Osceola County: 49 %Page County: 47.2 %Palo Alto County: 50.4 %Plymouth County: 50.2 %Pocahontas County: 49.8 %Polk County: 50.9 %Pottawattamie County: 50.7 %Poweshiek County: 51.7 %Ringgold County: 51 %Sac County: 50.4 %Scott County: 51 %Shelby County: 50.3 %Sioux County: 49.6 %Story County: 47.7 %Tama County: 50.4 %Taylor County: 49.7 %Union County: 50.6 %Van Buren County: 48.3 %Wapello County: 50.4 %Warren County: 50.9 %Washington County: 50.8 %Wayne County: 51.6 %Webster County: 48.3 %Winnebago County: 50.5 %Winneshiek County: 50.6 %Woodbury County: 50.5 %Worth County: 49.9 %Wright County: 50.2 %
  • Under 49
  • 49 to 50
  • 50 to 51
  • 51 and over
%, 2017. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2017

Poweshiek County: 51.7 %Poweshiek County51.7Wayne County: 51.6 %Wayne County51.6Cerro Gordo County: 51.1 %Cerro Gordo County51.1Black Hawk County: 51.1 %Black Hawk County51.1Cass County: 51.1 %Cass County51.1Des Moines County: 51.1 %Des Moines County51.1Montgomery County: 51.1 %Montgomery County51.1Clinton County: 51 %Clinton County51Grundy County: 51 %Grundy County51Monona County: 51 %Monona County51Clay County: 51 %Clay County51Ringgold County: 51 %Ringgold County51Scott County: 51 %Scott County51Warren County: 50.9 %Warren County50.9Greene County: 50.9 %Greene County50.9Dallas County: 50.9 %Dallas County50.9Polk County: 50.9 %Polk County50.9Carroll County: 50.8 %Carroll County50.8Linn County: 50.8 %Linn County50.8Appanoose County: 50.8 %Appanoose County50.8Adair County: 50.8 %Adair County50.8Washington County: 50.8 %Washington County50.8Adams County: 50.7 %Adams County50.7Humboldt County: 50.7 %Humboldt County50.7Pottawattamie County: 50.7 %Pottawattamie County50.7Davis County: 50.6 %Davis County50.6Floyd County: 50.6 %Floyd County50.6Winneshiek County: 50.6 %Winneshiek County50.6Bremer County: 50.6 %Bremer County50.6Mitchell County: 50.6 %Mitchell County50.6Union County: 50.6 %Union County50.6Woodbury County: 50.5 %Woodbury County50.5Dickinson County: 50.5 %Dickinson County50.5Marion County: 50.5 %Marion County50.5Ida County: 50.5 %Ida County50.5Dubuque County: 50.5 %Dubuque County50.5Winnebago County: 50.5 %Winnebago County50.5Palo Alto County: 50.4 %Palo Alto County50.4Guthrie County: 50.4 %Guthrie County50.4Tama County: 50.4 %Tama County50.4Poweshiek County: 51.7 %Poweshiek County51.7Wayne County: 51.6 %Wayne County51.6Cerro Gordo County: 51.1 %Cerro Gordo County51.1Black Hawk County: 51.1 %Black Hawk County51.1Cass County: 51.1 %Cass County51.1Des Moines County: 51.1 %Des Moines County51.1Montgomery County: 51.1 %Montgomery County51.1Clinton County: 51 %Clinton County51Grundy County: 51 %Grundy County51Monona County: 51 %Monona County51Clay County: 51 %Clay County51Ringgold County: 51 %Ringgold County51Scott County: 51 %Scott County51Warren County: 50.9 %Warren County50.9Greene County: 50.9 %Greene County50.9Dallas County: 50.9 %Dallas County50.9Polk County: 50.9 %Polk County50.9Carroll County: 50.8 %Carroll County50.8Linn County: 50.8 %Linn County50.8Appanoose County: 50.8 %Appanoose County50.8Adair County: 50.8 %Adair County50.8Washington County: 50.8 %Washington County50.8Adams County: 50.7 %Adams County50.7Humboldt County: 50.7 %Humboldt County50.7Pottawattamie County: 50.7 %Pottawattamie County50.7Davis County: 50.6 %Davis County50.6Floyd County: 50.6 %Floyd County50.6Winneshiek County: 50.6 %Winneshiek County50.6Bremer County: 50.6 %Bremer County50.6Mitchell County: 50.6 %Mitchell County50.6Union County: 50.6 %Union County50.6Woodbury County: 50.5 %Woodbury County50.5Dickinson County: 50.5 %Dickinson County50.5Marion County: 50.5 %Marion County50.5Ida County: 50.5 %Ida County50.5Dubuque County: 50.5 %Dubuque County50.5Winnebago County: 50.5 %Winnebago County50.5Palo Alto County: 50.4 %Palo Alto County50.4Guthrie County: 50.4 %Guthrie County50.4Tama County: 50.4 %Tama County50.4
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2017 (%)Change on 2016
1Poweshiek County51.7+0.2 pts
2Wayne County51.60 pts
3Cerro Gordo County51.1-0.1 pts
4Black Hawk County51.10 pts
5Cass County51.1+0.2 pts
6Des Moines County51.1+0.1 pts
7Montgomery County51.10 pts
8Clinton County510 pts
9Grundy County510 pts
10Monona County51+0.2 pts
11Clay County51+0.1 pts
12Ringgold County51+0.1 pts
13Scott County51-0 pts
14Warren County50.90 pts
15Greene County50.9+0.1 pts
16Dallas County50.9-0 pts
17Polk County50.90 pts
18Carroll County50.8-0.1 pts
19Linn County50.80 pts
20Appanoose County50.8-0.2 pts
21Adair County50.8+0.1 pts
22Washington County50.8+0.3 pts
23Adams County50.7+0.4 pts
24Humboldt County50.7+0.1 pts
25Pottawattamie County50.7-0 pts
26Davis County50.6-0.2 pts
27Floyd County50.6+0.1 pts
28Winneshiek County50.6+0.1 pts
29Bremer County50.6-0.1 pts
30Mitchell County50.6-0.1 pts
30Union County50.6-0 pts
32Woodbury County50.50 pts
33Dickinson County50.50 pts
34Marion County50.5+0.1 pts
35Ida County50.5+0.5 pts
36Dubuque County50.50 pts
36Winnebago County50.5+0.1 pts
38Palo Alto County50.4+0.1 pts
39Guthrie County50.4+0.1 pts
39Tama County50.4-0.2 pts
41Wapello County50.4-0.1 pts
42Muscatine County50.4+0.2 pts
43Sac County50.4-0.5 pts
44Shelby County50.3-0.2 pts
45Johnson County50.3-0.1 pts
46Buchanan County50.3-0 pts
47Cedar County50.30 pts
48Iowa County50.2-0.3 pts
49Fremont County50.2+0.1 pts
50Butler County50.2+0.1 pts
51Madison County50.2+0.1 pts
52Monroe County50.2+0.4 pts
53Plymouth County50.2-0.3 pts
54Wright County50.2-0.1 pts
55Harrison County50.1-0.1 pts
56Mahaska County500 pts
57Jackson County500 pts
58Audubon County50-0.2 pts
59Clarke County49.9-0.2 pts
60Benton County49.9-0.1 pts
61Hancock County49.9+0.1 pts
62O'Brien County49.90 pts
63Boone County49.9-0.1 pts
63Worth County49.9+0.1 pts
65Decatur County49.90 pts
66Pocahontas County49.8-0.2 pts
67Franklin County49.8+0.2 pts
68Chickasaw County49.8-0.1 pts
69Hamilton County49.8-0.1 pts
70Cherokee County49.80 pts
71Lucas County49.8-0.2 pts
72Lee County49.8+0.1 pts
73Mills County49.8-0.1 pts
74Taylor County49.7-0.3 pts
75Delaware County49.7-0.1 pts
76Hardin County49.7-0.3 pts
76Kossuth County49.70 pts
78Sioux County49.6-0.1 pts
79Emmet County49.5+0.2 pts
80Clayton County49.4-0.1 pts
81Buena Vista County49.4-0.2 pts
82Marshall County49.4-0.2 pts
83Keokuk County49.3+0.2 pts
84Howard County49.2-0 pts
85Allamakee County49.2+0.1 pts
86Fayette County49.2-0.3 pts
87Lyon County49.2-0.1 pts
88Louisa County49.1-0.1 pts
89Crawford County49.1+0.2 pts
90Osceola County49+0.1 pts
91Jasper County48.5-0.2 pts
92Van Buren County48.3-0.4 pts
93Webster County48.3-0.1 pts
94Calhoun County48.10 pts
95Henry County48-0.4 pts
96Jefferson County47.9+0.5 pts
97Story County47.7-0.1 pts
98Jones County47.5-0.2 pts
99Page County47.20 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, 2017) [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, 2017. 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?period=2017. 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, 2017. 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?period=2017.

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, 2017 [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?period=2017 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_iowa_by_2017,
  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, 2017}},
  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?period=2017. 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, 2017
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?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/female-population-share/iowa-counties?period=2017.
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?

Poweshiek County, with 51.7% in 2017, according to the U.S. Census Bureau.

Which county has the lowest female population share?

Page County, with 47.2% in 2017.

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