Data / Rankings / Population aged 18 to 64 / Counties in Wisconsin

Counties in Wisconsin by population aged 18 to 64

Dane County had the highest population aged 18 to 64 of 72 counties in 2021, at 64.8%. Vilas County had the lowest, at 50.1%. The median was 57.1% and the figure for Wisconsin was 59.8%. Source: the U.S. Census Bureau.

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Highest64.8Dane County
Lowest50.1Vilas County
Median57.172 counties
Wisconsin59.8History

Map of counties, 2021

Adams County: 56.2 %Ashland County: 56.8 %Barron County: 55.9 %Bayfield County: 52.8 %Brown County: 60.6 %Buffalo County: 56.5 %Burnett County: 52.6 %Calumet County: 60.4 %Chippewa County: 58.4 %Clark County: 52.6 %Columbia County: 58.9 %Crawford County: 55.2 %Dane County: 64.8 %Dodge County: 60.8 %Door County: 52.2 %Douglas County: 59.8 %Dunn County: 62.3 %Eau Claire County: 62 %Florence County: 55.3 %Fond du Lac County: 59.3 %Forest County: 52.9 %Grant County: 59.1 %Green County: 57.5 %Green Lake County: 54.8 %Iowa County: 57.2 %Iron County: 53 %Jackson County: 57.6 %Jefferson County: 60.9 %Juneau County: 58.3 %Kenosha County: 62.2 %Kewaunee County: 57.3 %La Crosse County: 61.9 %Lafayette County: 55.4 %Langlade County: 54.9 %Lincoln County: 57 %Manitowoc County: 57.3 %Marathon County: 58.5 %Marinette County: 55.3 %Marquette County: 54.5 %Menominee County: 51.4 %Milwaukee County: 61.6 %Monroe County: 56.6 %Oconto County: 57.7 %Oneida County: 54.6 %Outagamie County: 60.5 %Ozaukee County: 57.1 %Pepin County: 54 %Pierce County: 61.9 %Polk County: 56.7 %Portage County: 61.3 %Price County: 54.1 %Racine County: 59.3 %Richland County: 53.8 %Rock County: 59.3 %Rusk County: 52.9 %St. Croix County: 59.8 %Sauk County: 57.7 %Sawyer County: 52.4 %Shawano County: 56.7 %Sheboygan County: 59 %Taylor County: 56.1 %Trempealeau County: 56.5 %Vernon County: 52.5 %Vilas County: 50.1 %Walworth County: 60 %Washburn County: 53 %Washington County: 58.9 %Waukesha County: 58.2 %Waupaca County: 57.1 %Waushara County: 56.4 %Winnebago County: 61.7 %Wood County: 56.7 %
  • Under 54
  • 54 to 56
  • 56 to 57
  • 57 to 59
  • 59 to 61
  • 61 and over
%, 2021. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2021

Dane County: 64.8 %Dane County64.8Dunn County: 62.3 %Dunn County62.3Kenosha County: 62.2 %Kenosha County62.2Eau Claire County: 62 %Eau Claire County62La Crosse County: 61.9 %La Crosse County61.9Pierce County: 61.9 %Pierce County61.9Winnebago County: 61.7 %Winnebago County61.7Milwaukee County: 61.6 %Milwaukee County61.6Portage County: 61.3 %Portage County61.3Jefferson County: 60.9 %Jefferson County60.9Dodge County: 60.8 %Dodge County60.8Brown County: 60.6 %Brown County60.6Outagamie County: 60.5 %Outagamie County60.5Calumet County: 60.4 %Calumet County60.4Walworth County: 60 %Walworth County60Douglas County: 59.8 %Douglas County59.8St. Croix County: 59.8 %St. Croix County59.8Racine County: 59.3 %Racine County59.3Fond du Lac County: 59.3 %Fond du Lac County59.3Rock County: 59.3 %Rock County59.3Grant County: 59.1 %Grant County59.1Sheboygan County: 59 %Sheboygan County59Columbia County: 58.9 %Columbia County58.9Washington County: 58.9 %Washington County58.9Marathon County: 58.5 %Marathon County58.5Chippewa County: 58.4 %Chippewa County58.4Juneau County: 58.3 %Juneau County58.3Waukesha County: 58.2 %Waukesha County58.2Oconto County: 57.7 %Oconto County57.7Sauk County: 57.7 %Sauk County57.7Jackson County: 57.6 %Jackson County57.6Green County: 57.5 %Green County57.5Kewaunee County: 57.3 %Kewaunee County57.3Manitowoc County: 57.3 %Manitowoc County57.3Iowa County: 57.2 %Iowa County57.2Waupaca County: 57.1 %Waupaca County57.1Ozaukee County: 57.1 %Ozaukee County57.1Lincoln County: 57 %Lincoln County57Ashland County: 56.8 %Ashland County56.8Shawano County: 56.7 %Shawano County56.7Dane County: 64.8 %Dane County64.8Dunn County: 62.3 %Dunn County62.3Kenosha County: 62.2 %Kenosha County62.2Eau Claire County: 62 %Eau Claire County62La Crosse County: 61.9 %La Crosse County61.9Pierce County: 61.9 %Pierce County61.9Winnebago County: 61.7 %Winnebago County61.7Milwaukee County: 61.6 %Milwaukee County61.6Portage County: 61.3 %Portage County61.3Jefferson County: 60.9 %Jefferson County60.9Dodge County: 60.8 %Dodge County60.8Brown County: 60.6 %Brown County60.6Outagamie County: 60.5 %Outagamie County60.5Calumet County: 60.4 %Calumet County60.4Walworth County: 60 %Walworth County60Douglas County: 59.8 %Douglas County59.8St. Croix County: 59.8 %St. Croix County59.8Racine County: 59.3 %Racine County59.3Fond du Lac County: 59.3 %Fond du Lac County59.3Rock County: 59.3 %Rock County59.3Grant County: 59.1 %Grant County59.1Sheboygan County: 59 %Sheboygan County59Columbia County: 58.9 %Columbia County58.9Washington County: 58.9 %Washington County58.9Marathon County: 58.5 %Marathon County58.5Chippewa County: 58.4 %Chippewa County58.4Juneau County: 58.3 %Juneau County58.3Waukesha County: 58.2 %Waukesha County58.2Oconto County: 57.7 %Oconto County57.7Sauk County: 57.7 %Sauk County57.7Jackson County: 57.6 %Jackson County57.6Green County: 57.5 %Green County57.5Kewaunee County: 57.3 %Kewaunee County57.3Manitowoc County: 57.3 %Manitowoc County57.3Iowa County: 57.2 %Iowa County57.2Waupaca County: 57.1 %Waupaca County57.1Ozaukee County: 57.1 %Ozaukee County57.1Lincoln County: 57 %Lincoln County57Ashland County: 56.8 %Ashland County56.8Shawano County: 56.7 %Shawano County56.7
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)Change on 2020
1Dane County64.8-0.4 pts
2Dunn County62.3-1 pts
3Kenosha County62.2-0.2 pts
4Eau Claire County62-0.3 pts
5La Crosse County61.9-0.6 pts
6Pierce County61.9-1.2 pts
7Winnebago County61.7-0.4 pts
8Milwaukee County61.6-0.4 pts
9Portage County61.3-0.9 pts
10Jefferson County60.9-0.2 pts
11Dodge County60.8-0.4 pts
12Brown County60.6-0.3 pts
13Outagamie County60.5-0.3 pts
14Calumet County60.4-0.1 pts
15Walworth County60-0.3 pts
16Douglas County59.8-0.7 pts
17St. Croix County59.8-0.1 pts
18Racine County59.3-0.4 pts
19Fond du Lac County59.3-0.3 pts
20Rock County59.3-0.2 pts
21Grant County59.1-0.7 pts
22Sheboygan County59-0.3 pts
23Columbia County58.9-0.4 pts
24Washington County58.9-0.2 pts
25Marathon County58.5-0.3 pts
26Chippewa County58.4-0.3 pts
27Juneau County58.3-0.4 pts
28Waukesha County58.2-0.3 pts
29Oconto County57.7-0.3 pts
30Sauk County57.7-0.1 pts
31Jackson County57.6-0.6 pts
32Green County57.5-0.3 pts
33Kewaunee County57.3-0.3 pts
34Manitowoc County57.3-0.6 pts
35Iowa County57.2-0.4 pts
36Waupaca County57.1-0.2 pts
37Ozaukee County57.1-0.3 pts
38Lincoln County57-0.2 pts
39Ashland County56.8-0.4 pts
40Shawano County56.7-0 pts
41Polk County56.7-0.2 pts
42Wood County56.7-0.3 pts
43Monroe County56.6-0.1 pts
44Trempealeau County56.5-0.1 pts
45Buffalo County56.5-0.6 pts
46Waushara County56.4-0.2 pts
47Adams County56.2-0.5 pts
48Taylor County56.1-0.6 pts
49Barron County55.9-0.1 pts
50Lafayette County55.4-0.9 pts
51Marinette County55.3-0.5 pts
52Florence County55.3-0.4 pts
53Crawford County55.2-0.4 pts
54Langlade County54.9-0.2 pts
55Green Lake County54.8-0.2 pts
56Oneida County54.6-0.3 pts
57Marquette County54.5-0.2 pts
58Price County54.1-0.1 pts
59Pepin County54-0.8 pts
60Richland County53.8-0.2 pts
61Washburn County53-0.1 pts
62Iron County53-0.6 pts
63Rusk County52.9-0.6 pts
64Forest County52.9-0.7 pts
65Bayfield County52.8-0.2 pts
66Clark County52.6-0.3 pts
67Burnett County52.6-0.2 pts
68Vernon County52.5-0.7 pts
69Sawyer County52.4-0.2 pts
70Door County52.2-0.3 pts
71Menominee County51.4-0.8 pts
72Vilas County50.1-0.3 pts

Other periods

About this ranking

Residents aged 18 to 64 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.

Not comparable with working-age shares for ages 15 to 64 used in EU and World Bank statistics.

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: residents aged 18 to 64 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: residents aged 18 to 64 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 Wisconsin by population aged 18 to 64, 2021) [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: residents aged 18 to 64 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 Wisconsin by population aged 18 to 64, 2021. U.S. Census Bureau, 25 June 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/population-18-64/wisconsin-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: residents aged 18 to 64 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 Wisconsin by population aged 18 to 64, 2021. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/population-18-64/wisconsin-counties?period=2021.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: residents aged 18 to 64 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 Wisconsin by population aged 18 to 64, 2021 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/population-18-64/wisconsin-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_wisconsin_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: residents aged 18 to 64 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 Wisconsin by population aged 18 to 64, 2021}},
  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/population-18-64/wisconsin-counties?period=2021. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 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: residents aged 18 to 64 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 Wisconsin by population aged 18 to 64, 2021
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/population-18-64/wisconsin-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population-18-64/wisconsin-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 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 population aged 18 to 64?

Dane County, with 64.8% in 2021, according to the U.S. Census Bureau.

Which county has the lowest population aged 18 to 64?

Vilas County, with 50.1% in 2021.

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: residents aged 18 to 64 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.

Population aged 18 to 64: other rankings

Counties in Wisconsin: more rankings