Data / Rankings / Uninsured rate, ages 35 to 64 (US, ACS) / Counties in Wisconsin

Counties in Wisconsin by uninsured rate, ages 35 to 64 (US, ACS)

Menominee County had the highest uninsured rate, ages 35 to 64 (US, ACS) of 72 counties in 2021, at 31.5%. Ozaukee County had the lowest, at 2.9%. The median was 6.9% and the figure for Wisconsin was 6.3%. Source: the U.S. Census Bureau.

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Highest31.5Menominee County
Lowest2.9Ozaukee County
Median6.972 counties
Wisconsin6.3History

Map of counties, 2021

Adams County: 7.3 %Ashland County: 7.5 %Barron County: 9.1 %Bayfield County: 8.5 %Brown County: 5.8 %Buffalo County: 7.1 %Burnett County: 11.4 %Calumet County: 4.1 %Chippewa County: 6 %Clark County: 14.7 %Columbia County: 4.8 %Crawford County: 8.5 %Dane County: 4.4 %Dodge County: 5 %Door County: 6 %Douglas County: 7.7 %Dunn County: 7.2 %Eau Claire County: 5.9 %Florence County: 11.8 %Fond du Lac County: 5.5 %Forest County: 11.2 %Grant County: 6.1 %Green County: 4.5 %Green Lake County: 6.9 %Iowa County: 3.4 %Iron County: 8.6 %Jackson County: 9 %Jefferson County: 6 %Juneau County: 9.9 %Kenosha County: 8.4 %Kewaunee County: 5.2 %La Crosse County: 4.3 %Lafayette County: 9.2 %Langlade County: 7.3 %Lincoln County: 6.1 %Manitowoc County: 4 %Marathon County: 6.2 %Marinette County: 5.6 %Marquette County: 8.9 %Menominee County: 31.5 %Milwaukee County: 9 %Monroe County: 7.7 %Oconto County: 5.2 %Oneida County: 6 %Outagamie County: 5.1 %Ozaukee County: 2.9 %Pepin County: 8.3 %Pierce County: 4.6 %Polk County: 7.2 %Portage County: 4.5 %Price County: 6.3 %Racine County: 6.7 %Richland County: 8.1 %Rock County: 6.9 %Rusk County: 8.4 %St. Croix County: 4.1 %Sauk County: 6.2 %Sawyer County: 9.2 %Shawano County: 7.9 %Sheboygan County: 5 %Taylor County: 6.7 %Trempealeau County: 7.8 %Vernon County: 9.9 %Vilas County: 10.9 %Walworth County: 8.4 %Washburn County: 8.2 %Washington County: 3.9 %Waukesha County: 3.6 %Waupaca County: 7 %Waushara County: 9.1 %Winnebago County: 5.1 %Wood County: 6.6 %
  • Under 4.8
  • 4.8 to 6
  • 6 to 6.9
  • 6.9 to 8
  • 8 to 9
  • 9 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

Menominee County: 31.5 %Menominee County31.5Clark County: 14.7 %Clark County14.7Florence County: 11.8 %Florence County11.8Burnett County: 11.4 %Burnett County11.4Forest County: 11.2 %Forest County11.2Vilas County: 10.9 %Vilas County10.9Vernon County: 9.9 %Vernon County9.9Juneau County: 9.9 %Juneau County9.9Sawyer County: 9.2 %Sawyer County9.2Lafayette County: 9.2 %Lafayette County9.2Waushara County: 9.1 %Waushara County9.1Barron County: 9.1 %Barron County9.1Milwaukee County: 9 %Milwaukee County9Jackson County: 9 %Jackson County9Marquette County: 8.9 %Marquette County8.9Iron County: 8.6 %Iron County8.6Crawford County: 8.5 %Crawford County8.5Bayfield County: 8.5 %Bayfield County8.5Walworth County: 8.4 %Walworth County8.4Rusk County: 8.4 %Rusk County8.4Kenosha County: 8.4 %Kenosha County8.4Pepin County: 8.3 %Pepin County8.3Washburn County: 8.2 %Washburn County8.2Richland County: 8.1 %Richland County8.1Shawano County: 7.9 %Shawano County7.9Trempealeau County: 7.8 %Trempealeau County7.8Monroe County: 7.7 %Monroe County7.7Douglas County: 7.7 %Douglas County7.7Ashland County: 7.5 %Ashland County7.5Langlade County: 7.3 %Langlade County7.3Adams County: 7.3 %Adams County7.3Dunn County: 7.2 %Dunn County7.2Polk County: 7.2 %Polk County7.2Buffalo County: 7.1 %Buffalo County7.1Waupaca County: 7 %Waupaca County7Rock County: 6.9 %Rock County6.9Green Lake County: 6.9 %Green Lake County6.9Taylor County: 6.7 %Taylor County6.7Racine County: 6.7 %Racine County6.7Wood County: 6.6 %Wood County6.6Menominee County: 31.5 %Menominee County31.5Clark County: 14.7 %Clark County14.7Florence County: 11.8 %Florence County11.8Burnett County: 11.4 %Burnett County11.4Forest County: 11.2 %Forest County11.2Vilas County: 10.9 %Vilas County10.9Vernon County: 9.9 %Vernon County9.9Juneau County: 9.9 %Juneau County9.9Sawyer County: 9.2 %Sawyer County9.2Lafayette County: 9.2 %Lafayette County9.2Waushara County: 9.1 %Waushara County9.1Barron County: 9.1 %Barron County9.1Milwaukee County: 9 %Milwaukee County9Jackson County: 9 %Jackson County9Marquette County: 8.9 %Marquette County8.9Iron County: 8.6 %Iron County8.6Crawford County: 8.5 %Crawford County8.5Bayfield County: 8.5 %Bayfield County8.5Walworth County: 8.4 %Walworth County8.4Rusk County: 8.4 %Rusk County8.4Kenosha County: 8.4 %Kenosha County8.4Pepin County: 8.3 %Pepin County8.3Washburn County: 8.2 %Washburn County8.2Richland County: 8.1 %Richland County8.1Shawano County: 7.9 %Shawano County7.9Trempealeau County: 7.8 %Trempealeau County7.8Monroe County: 7.7 %Monroe County7.7Douglas County: 7.7 %Douglas County7.7Ashland County: 7.5 %Ashland County7.5Langlade County: 7.3 %Langlade County7.3Adams County: 7.3 %Adams County7.3Dunn County: 7.2 %Dunn County7.2Polk County: 7.2 %Polk County7.2Buffalo County: 7.1 %Buffalo County7.1Waupaca County: 7 %Waupaca County7Rock County: 6.9 %Rock County6.9Green Lake County: 6.9 %Green Lake County6.9Taylor County: 6.7 %Taylor County6.7Racine County: 6.7 %Racine County6.7Wood County: 6.6 %Wood County6.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Menominee County31.5
2Clark County14.7
3Florence County11.8
4Burnett County11.4
5Forest County11.2
6Vilas County10.9
7Vernon County9.9
8Juneau County9.9
9Sawyer County9.2
10Lafayette County9.2
11Waushara County9.1
12Barron County9.1
13Milwaukee County9
14Jackson County9
15Marquette County8.9
16Iron County8.6
17Crawford County8.5
18Bayfield County8.5
19Walworth County8.4
20Rusk County8.4
21Kenosha County8.4
22Pepin County8.3
23Washburn County8.2
24Richland County8.1
25Shawano County7.9
26Trempealeau County7.8
27Monroe County7.7
28Douglas County7.7
29Ashland County7.5
30Langlade County7.3
31Adams County7.3
32Dunn County7.2
33Polk County7.2
34Buffalo County7.1
35Waupaca County7
36Rock County6.9
37Green Lake County6.9
38Taylor County6.7
39Racine County6.7
40Wood County6.6
41Price County6.3
42Marathon County6.2
43Sauk County6.2
44Grant County6.1
45Lincoln County6.1
46Chippewa County6
46Door County6
46Oneida County6
49Jefferson County6
50Eau Claire County5.9
51Brown County5.8
52Marinette County5.6
53Fond du Lac County5.5
54Kewaunee County5.2
55Oconto County5.2
56Winnebago County5.1
57Outagamie County5.1
58Sheboygan County5
59Dodge County5
60Columbia County4.8
61Pierce County4.6
62Portage County4.5
63Green County4.5
64Dane County4.4
65La Crosse County4.3
66St. Croix County4.1
67Calumet County4.1
68Manitowoc County4
69Washington County3.9
70Waukesha County3.6
71Iowa County3.4
72Ozaukee County2.9

Other periods

About this ranking

People aged 35 to 64 without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population aged 35 to 64. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Coverage is what people reported at the interview, so the five-year figure averages five years of answers. People whose only coverage is the Indian Health Service count as uninsured. Active-duty military and people living in institutions are outside the universe. For single-year model-based county figures under 65, see uninsured_rate_under_65, uninsured_rate_18_64 and uninsured_rate_under_19 (SAHIE), a different source.

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. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. 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). American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs (Counties in Wisconsin by uninsured rate, ages 35 to 64 (US, ACS), 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat

MLA 9

American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs, Counties in Wisconsin by uninsured rate, ages 35 to 64 (US, ACS), 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/wisconsin-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. Counties in Wisconsin by uninsured rate, ages 35 to 64 (US, ACS), 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/wisconsin-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs, Counties in Wisconsin by uninsured rate, ages 35 to 64 (US, ACS), 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-35-64/wisconsin-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_wisconsin_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs: Counties in Wisconsin by uninsured rate, ages 35 to 64 (US, ACS), 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/wisconsin-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs: Counties in Wisconsin by uninsured rate, ages 35 to 64 (US, ACS), 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate-ages-35-64/wisconsin-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/wisconsin-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in Wisconsin by uninsured rate, ages 35 to 64 (US, ACS) using official data, and cite the source.
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Questions

Which county has the highest uninsured rate, ages 35 to 64 (US, ACS)?

Menominee County, with 31.5% in 2021, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 35 to 64 (US, ACS)?

Ozaukee County, with 2.9% 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, American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, ages 35 to 64 (US, ACS): other rankings

Counties in Wisconsin: more rankings