Counties in Iowa by female population share

Wayne County had the highest female population share of 99 counties in 2016, at 51.5%. 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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Highest51.5Wayne County
Lowest47.2Page County
Median50.299 counties
Iowa50.3History

Map of counties, 2016

Adair County: 50.7 %Adams County: 50.3 %Allamakee County: 49.1 %Appanoose County: 51 %Audubon County: 50.2 %Benton County: 50 %Black Hawk County: 51.1 %Boone County: 50 %Bremer County: 50.7 %Buchanan County: 50.3 %Buena Vista County: 49.6 %Butler County: 50.1 %Calhoun County: 48.1 %Carroll County: 51 %Cass County: 50.9 %Cedar County: 50.2 %Cerro Gordo County: 51.2 %Cherokee County: 49.8 %Chickasaw County: 49.9 %Clarke County: 50.1 %Clay County: 50.9 %Clayton County: 49.6 %Clinton County: 51 %Crawford County: 48.9 %Dallas County: 50.9 %Davis County: 50.8 %Decatur County: 49.8 %Delaware County: 49.8 %Des Moines County: 51 %Dickinson County: 50.5 %Dubuque County: 50.4 %Emmet County: 49.2 %Fayette County: 49.4 %Floyd County: 50.6 %Franklin County: 49.6 %Fremont County: 50.2 %Greene County: 50.8 %Grundy County: 51 %Guthrie County: 50.4 %Hamilton County: 49.9 %Hancock County: 49.8 %Hardin County: 49.9 %Harrison County: 50.2 %Henry County: 48.4 %Howard County: 49.2 %Humboldt County: 50.6 %Ida County: 50 %Iowa County: 50.5 %Jackson County: 50 %Jasper County: 48.7 %Jefferson County: 47.4 %Johnson County: 50.4 %Jones County: 47.7 %Keokuk County: 49.1 %Kossuth County: 49.6 %Lee County: 49.7 %Linn County: 50.8 %Louisa County: 49.2 %Lucas County: 49.9 %Lyon County: 49.3 %Madison County: 50.1 %Mahaska County: 50 %Marion County: 50.4 %Marshall County: 49.5 %Mills County: 49.9 %Mitchell County: 50.7 %Monona County: 50.8 %Monroe County: 49.8 %Montgomery County: 51 %Muscatine County: 50.2 %O'Brien County: 49.9 %Osceola County: 48.9 %Page County: 47.2 %Palo Alto County: 50.4 %Plymouth County: 50.4 %Pocahontas County: 50.1 %Polk County: 50.9 %Pottawattamie County: 50.7 %Poweshiek County: 51.5 %Ringgold County: 50.8 %Sac County: 50.8 %Scott County: 51 %Shelby County: 50.5 %Sioux County: 49.6 %Story County: 47.8 %Tama County: 50.6 %Taylor County: 50 %Union County: 50.6 %Van Buren County: 48.7 %Wapello County: 50.5 %Warren County: 50.9 %Washington County: 50.5 %Wayne County: 51.5 %Webster County: 48.4 %Winnebago County: 50.4 %Winneshiek County: 50.5 %Woodbury County: 50.5 %Worth County: 49.7 %Wright County: 50.2 %
  • Under 49
  • 49 to 50
  • 50 to 51
  • 51 and over
%, 2016. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2016

Wayne County: 51.5 %Wayne County51.5Poweshiek County: 51.5 %Poweshiek County51.5Cerro Gordo County: 51.2 %Cerro Gordo County51.2Black Hawk County: 51.1 %Black Hawk County51.1Montgomery County: 51 %Montgomery County51Des Moines County: 51 %Des Moines County51Appanoose County: 51 %Appanoose County51Scott County: 51 %Scott County51Grundy County: 51 %Grundy County51Clinton County: 51 %Clinton County51Carroll County: 51 %Carroll County51Dallas County: 50.9 %Dallas County50.9Clay County: 50.9 %Clay County50.9Warren County: 50.9 %Warren County50.9Polk County: 50.9 %Polk County50.9Cass County: 50.9 %Cass County50.9Monona County: 50.8 %Monona County50.8Sac County: 50.8 %Sac County50.8Ringgold County: 50.8 %Ringgold County50.8Davis County: 50.8 %Davis County50.8Linn County: 50.8 %Linn County50.8Greene County: 50.8 %Greene County50.8Bremer County: 50.7 %Bremer County50.7Mitchell County: 50.7 %Mitchell County50.7Pottawattamie County: 50.7 %Pottawattamie County50.7Adair County: 50.7 %Adair County50.7Humboldt County: 50.6 %Humboldt County50.6Tama County: 50.6 %Tama County50.6Union County: 50.6 %Union County50.6Floyd County: 50.6 %Floyd County50.6Washington County: 50.5 %Washington County50.5Shelby County: 50.5 %Shelby County50.5Winneshiek County: 50.5 %Winneshiek County50.5Iowa County: 50.5 %Iowa County50.5Woodbury County: 50.5 %Woodbury County50.5Wapello County: 50.5 %Wapello County50.5Dickinson County: 50.5 %Dickinson County50.5Dubuque County: 50.4 %Dubuque County50.4Plymouth County: 50.4 %Plymouth County50.4Johnson County: 50.4 %Johnson County50.4Wayne County: 51.5 %Wayne County51.5Poweshiek County: 51.5 %Poweshiek County51.5Cerro Gordo County: 51.2 %Cerro Gordo County51.2Black Hawk County: 51.1 %Black Hawk County51.1Montgomery County: 51 %Montgomery County51Des Moines County: 51 %Des Moines County51Appanoose County: 51 %Appanoose County51Scott County: 51 %Scott County51Grundy County: 51 %Grundy County51Clinton County: 51 %Clinton County51Carroll County: 51 %Carroll County51Dallas County: 50.9 %Dallas County50.9Clay County: 50.9 %Clay County50.9Warren County: 50.9 %Warren County50.9Polk County: 50.9 %Polk County50.9Cass County: 50.9 %Cass County50.9Monona County: 50.8 %Monona County50.8Sac County: 50.8 %Sac County50.8Ringgold County: 50.8 %Ringgold County50.8Davis County: 50.8 %Davis County50.8Linn County: 50.8 %Linn County50.8Greene County: 50.8 %Greene County50.8Bremer County: 50.7 %Bremer County50.7Mitchell County: 50.7 %Mitchell County50.7Pottawattamie County: 50.7 %Pottawattamie County50.7Adair County: 50.7 %Adair County50.7Humboldt County: 50.6 %Humboldt County50.6Tama County: 50.6 %Tama County50.6Union County: 50.6 %Union County50.6Floyd County: 50.6 %Floyd County50.6Washington County: 50.5 %Washington County50.5Shelby County: 50.5 %Shelby County50.5Winneshiek County: 50.5 %Winneshiek County50.5Iowa County: 50.5 %Iowa County50.5Woodbury County: 50.5 %Woodbury County50.5Wapello County: 50.5 %Wapello County50.5Dickinson County: 50.5 %Dickinson County50.5Dubuque County: 50.4 %Dubuque County50.4Plymouth County: 50.4 %Plymouth County50.4Johnson County: 50.4 %Johnson County50.4
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2016 (%)Change on 2015
1Wayne County51.5+0.2 pts
2Poweshiek County51.5+0.1 pts
3Cerro Gordo County51.2+0.1 pts
4Black Hawk County51.1-0 pts
5Montgomery County51-0.1 pts
6Des Moines County51+0.1 pts
7Appanoose County51+0.2 pts
8Scott County510 pts
9Grundy County510 pts
10Clinton County510 pts
11Carroll County51-0.1 pts
12Dallas County50.9-0 pts
13Clay County50.9-0.1 pts
14Warren County50.9-0.1 pts
15Polk County50.9-0 pts
16Cass County50.9+0.1 pts
17Monona County50.80 pts
18Sac County50.8+0.1 pts
19Ringgold County50.8+0.1 pts
20Davis County50.8-0.3 pts
21Linn County50.80 pts
22Greene County50.8-0.2 pts
23Bremer County50.7-0.2 pts
24Mitchell County50.7+0.1 pts
25Pottawattamie County50.70 pts
26Adair County50.7-0.1 pts
27Humboldt County50.6+0.1 pts
28Tama County50.6-0.2 pts
29Union County50.6-0.1 pts
30Floyd County50.6-0.1 pts
31Washington County50.5-0.2 pts
32Shelby County50.5-0.2 pts
33Winneshiek County50.5-0.1 pts
34Iowa County50.5-0 pts
35Woodbury County50.5-0 pts
36Wapello County50.5-0.1 pts
37Dickinson County50.5+0.1 pts
38Dubuque County50.4-0 pts
39Plymouth County50.4+0.1 pts
40Johnson County50.4+0.1 pts
41Marion County50.40 pts
42Winnebago County50.4-0.2 pts
43Guthrie County50.4+0.1 pts
44Palo Alto County50.4-0.2 pts
45Adams County50.3-0.2 pts
46Buchanan County50.3+0.1 pts
47Cedar County50.20 pts
48Audubon County50.2-0.2 pts
49Wright County50.2+0.1 pts
50Muscatine County50.2-0 pts
51Harrison County50.2-0.1 pts
52Fremont County50.20 pts
53Clarke County50.1-0.1 pts
54Madison County50.1-0.1 pts
55Pocahontas County50.1-0.2 pts
56Butler County50.1-0 pts
57Taylor County50+0.4 pts
58Ida County50-0.2 pts
59Jackson County50-0.1 pts
60Mahaska County50-0.1 pts
61Benton County50-0.1 pts
62Boone County50+0.1 pts
63Hardin County49.90 pts
64Lucas County49.9+0.1 pts
65Hamilton County49.9-0.2 pts
66Chickasaw County49.9-0.1 pts
67O'Brien County49.9-0.1 pts
68Mills County49.9-0.1 pts
69Decatur County49.8+0.2 pts
70Monroe County49.8-0.1 pts
71Hancock County49.8-0.1 pts
72Cherokee County49.8+0.1 pts
73Delaware County49.8-0.3 pts
74Worth County49.7-0.1 pts
75Lee County49.7-0.1 pts
76Kossuth County49.6-0.2 pts
76Sioux County49.6-0 pts
78Buena Vista County49.60 pts
79Franklin County49.6-0.3 pts
80Clayton County49.60 pts
81Marshall County49.50 pts
82Fayette County49.4-0.1 pts
83Lyon County49.30 pts
84Emmet County49.2+0.1 pts
85Howard County49.2-0.4 pts
86Louisa County49.2+0.3 pts
87Allamakee County49.1-0.1 pts
88Keokuk County49.1-0.4 pts
89Crawford County48.90 pts
90Osceola County48.9-0.2 pts
91Van Buren County48.7-0 pts
92Jasper County48.7+0.1 pts
93Webster County48.4-0 pts
94Henry County48.4-0.1 pts
95Calhoun County48.1+0.1 pts
96Story County47.8-0 pts
97Jones County47.7+0.1 pts
98Jefferson County47.4+0.5 pts
99Page County47.2-0.2 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, 2016) [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, 2016. 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=2016. 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, 2016. 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=2016.

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, 2016 [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=2016 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_iowa_by_2016,
  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, 2016}},
  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=2016. 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, 2016
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=2016
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/female-population-share/iowa-counties?period=2016.
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?

Wayne County, with 51.5% in 2016, according to the U.S. Census Bureau.

Which county has the lowest female population share?

Page County, with 47.2% in 2016.

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