Data / Rankings / Uninsured rate, ages 18 to 64 (US model-based estimate) / Counties in Wisconsin

Counties in Wisconsin by uninsured rate, ages 18 to 64 (US model-based estimate)

Clark County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 72 counties in 2017, at 15.8%. Waukesha County had the lowest, at 4.4%. The median was 7.6% and the figure for Wisconsin was 7.4%. Source: the U.S. Census Bureau.

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Highest15.8Clark County
Lowest4.4Waukesha County
Median7.672 counties
Wisconsin7.4History

Map of counties, 2017

Adams County: 8.5 %Ashland County: 9.2 %Barron County: 8.9 %Bayfield County: 10.1 %Brown County: 8.3 %Buffalo County: 7.4 %Burnett County: 9.2 %Calumet County: 5 %Chippewa County: 6.4 %Clark County: 15.8 %Columbia County: 6.2 %Crawford County: 7 %Dane County: 5.9 %Dodge County: 6.2 %Door County: 7.7 %Douglas County: 7.6 %Dunn County: 6.8 %Eau Claire County: 7.3 %Florence County: 7.9 %Fond du Lac County: 6.2 %Forest County: 12.5 %Grant County: 8.8 %Green County: 6.6 %Green Lake County: 8.6 %Iowa County: 6.4 %Iron County: 8.1 %Jackson County: 10.9 %Jefferson County: 6.8 %Juneau County: 9.1 %Kenosha County: 7.7 %Kewaunee County: 6.4 %La Crosse County: 5.8 %Lafayette County: 10.7 %Langlade County: 7.8 %Lincoln County: 6.3 %Manitowoc County: 7.4 %Marathon County: 7.2 %Marinette County: 7 %Marquette County: 9 %Menominee County: 13.3 %Milwaukee County: 9.9 %Monroe County: 8.6 %Oconto County: 6.9 %Oneida County: 6.9 %Outagamie County: 6.2 %Ozaukee County: 4.4 %Pepin County: 8.3 %Pierce County: 5.6 %Polk County: 7.3 %Portage County: 6.2 %Price County: 7 %Racine County: 7.3 %Richland County: 8.5 %Rock County: 8.5 %Rusk County: 9.3 %St. Croix County: 5 %Sauk County: 8.4 %Sawyer County: 11.7 %Shawano County: 8.7 %Sheboygan County: 7 %Taylor County: 9.2 %Trempealeau County: 8.8 %Vernon County: 10.7 %Vilas County: 10.7 %Walworth County: 9.7 %Washburn County: 7.5 %Washington County: 4.7 %Waukesha County: 4.4 %Waupaca County: 7.4 %Waushara County: 9.3 %Winnebago County: 6.1 %Wood County: 6.4 %
  • Under 6.2
  • 6.2 to 7
  • 7 to 7.6
  • 7.6 to 8.5
  • 8.5 to 9.3
  • 9.3 and over
%, 2017. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2017

Clark County: 15.8 %Clark County15.8Menominee County: 13.3 %Menominee County13.3Forest County: 12.5 %Forest County12.5Sawyer County: 11.7 %Sawyer County11.7Jackson County: 10.9 %Jackson County10.9Lafayette County: 10.7 %Lafayette County10.7Vernon County: 10.7 %Vernon County10.7Vilas County: 10.7 %Vilas County10.7Bayfield County: 10.1 %Bayfield County10.1Milwaukee County: 9.9 %Milwaukee County9.9Walworth County: 9.7 %Walworth County9.7Rusk County: 9.3 %Rusk County9.3Waushara County: 9.3 %Waushara County9.3Ashland County: 9.2 %Ashland County9.2Burnett County: 9.2 %Burnett County9.2Taylor County: 9.2 %Taylor County9.2Juneau County: 9.1 %Juneau County9.1Marquette County: 9 %Marquette County9Barron County: 8.9 %Barron County8.9Grant County: 8.8 %Grant County8.8Trempealeau County: 8.8 %Trempealeau County8.8Shawano County: 8.7 %Shawano County8.7Green Lake County: 8.6 %Green Lake County8.6Monroe County: 8.6 %Monroe County8.6Adams County: 8.5 %Adams County8.5Richland County: 8.5 %Richland County8.5Rock County: 8.5 %Rock County8.5Sauk County: 8.4 %Sauk County8.4Brown County: 8.3 %Brown County8.3Pepin County: 8.3 %Pepin County8.3Iron County: 8.1 %Iron County8.1Florence County: 7.9 %Florence County7.9Langlade County: 7.8 %Langlade County7.8Door County: 7.7 %Door County7.7Kenosha County: 7.7 %Kenosha County7.7Douglas County: 7.6 %Douglas County7.6Washburn County: 7.5 %Washburn County7.5Buffalo County: 7.4 %Buffalo County7.4Manitowoc County: 7.4 %Manitowoc County7.4Waupaca County: 7.4 %Waupaca County7.4Clark County: 15.8 %Clark County15.8Menominee County: 13.3 %Menominee County13.3Forest County: 12.5 %Forest County12.5Sawyer County: 11.7 %Sawyer County11.7Jackson County: 10.9 %Jackson County10.9Lafayette County: 10.7 %Lafayette County10.7Vernon County: 10.7 %Vernon County10.7Vilas County: 10.7 %Vilas County10.7Bayfield County: 10.1 %Bayfield County10.1Milwaukee County: 9.9 %Milwaukee County9.9Walworth County: 9.7 %Walworth County9.7Rusk County: 9.3 %Rusk County9.3Waushara County: 9.3 %Waushara County9.3Ashland County: 9.2 %Ashland County9.2Burnett County: 9.2 %Burnett County9.2Taylor County: 9.2 %Taylor County9.2Juneau County: 9.1 %Juneau County9.1Marquette County: 9 %Marquette County9Barron County: 8.9 %Barron County8.9Grant County: 8.8 %Grant County8.8Trempealeau County: 8.8 %Trempealeau County8.8Shawano County: 8.7 %Shawano County8.7Green Lake County: 8.6 %Green Lake County8.6Monroe County: 8.6 %Monroe County8.6Adams County: 8.5 %Adams County8.5Richland County: 8.5 %Richland County8.5Rock County: 8.5 %Rock County8.5Sauk County: 8.4 %Sauk County8.4Brown County: 8.3 %Brown County8.3Pepin County: 8.3 %Pepin County8.3Iron County: 8.1 %Iron County8.1Florence County: 7.9 %Florence County7.9Langlade County: 7.8 %Langlade County7.8Door County: 7.7 %Door County7.7Kenosha County: 7.7 %Kenosha County7.7Douglas County: 7.6 %Douglas County7.6Washburn County: 7.5 %Washburn County7.5Buffalo County: 7.4 %Buffalo County7.4Manitowoc County: 7.4 %Manitowoc County7.4Waupaca County: 7.4 %Waupaca County7.4
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2017 (%)Change on 2016
1Clark County15.8-0.7 pts
2Menominee County13.3-1.2 pts
3Forest County12.5+1 pts
4Sawyer County11.7+0.4 pts
5Jackson County10.9+0.8 pts
6Lafayette County10.7+1.5 pts
6Vernon County10.7+0.8 pts
6Vilas County10.7-1.3 pts
9Bayfield County10.1-0.3 pts
10Milwaukee County9.9+0.2 pts
11Walworth County9.7+0.7 pts
12Rusk County9.3+0.2 pts
12Waushara County9.3-0.6 pts
14Ashland County9.2+0.5 pts
14Burnett County9.2-0.7 pts
14Taylor County9.2-0.4 pts
17Juneau County9.1-0.4 pts
18Marquette County9+0.7 pts
19Barron County8.9+0.7 pts
20Grant County8.8+1.4 pts
20Trempealeau County8.8+0.1 pts
22Shawano County8.7-0.5 pts
23Green Lake County8.6-0.9 pts
23Monroe County8.6-1.3 pts
25Adams County8.5-0.3 pts
25Richland County8.5+0.5 pts
25Rock County8.5+0.6 pts
28Sauk County8.4-0.3 pts
29Brown County8.3+0.5 pts
29Pepin County8.3+0.3 pts
31Iron County8.1+0.1 pts
32Florence County7.9-0.4 pts
33Langlade County7.8+0.2 pts
34Door County7.7+1.3 pts
34Kenosha County7.7+0.2 pts
36Douglas County7.6+0.8 pts
37Washburn County7.5-0.4 pts
38Buffalo County7.4-1.1 pts
38Manitowoc County7.4+1 pts
38Waupaca County7.4+0.1 pts
41Eau Claire County7.3+0.4 pts
41Polk County7.3-0.5 pts
41Racine County7.3-0.3 pts
44Marathon County7.2-0.1 pts
45Crawford County7-1.1 pts
45Marinette County7-0.7 pts
45Price County7-0.2 pts
45Sheboygan County7+0.6 pts
49Oconto County6.9+0.2 pts
49Oneida County6.9-0.7 pts
51Dunn County6.8-0.3 pts
51Jefferson County6.8+0.2 pts
53Green County6.6+0.2 pts
54Chippewa County6.4+0.1 pts
54Iowa County6.4-0.1 pts
54Kewaunee County6.4-0.2 pts
54Wood County6.4+0.1 pts
58Lincoln County6.3-0.5 pts
59Columbia County6.2-0.1 pts
59Dodge County6.2+0.1 pts
59Fond du Lac County6.2-0.1 pts
59Outagamie County6.2-0.2 pts
59Portage County6.2-0.2 pts
64Winnebago County6.1-0.3 pts
65Dane County5.9+0.3 pts
66La Crosse County5.80 pts
67Pierce County5.6-0.4 pts
68Calumet County5-0.3 pts
68St. Croix County5-0.3 pts
70Washington County4.7-0.1 pts
71Ozaukee County4.4+0.2 pts
71Waukesha County4.4+0.2 pts

Other periods

About this ranking

People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.

A model-based single-year estimate that combines the American Community Survey with administrative records and population estimates, so every county gets a figure. Covers states and counties only, because the SAHIE dataset files have no national row. The Census Bureau advises comparing years from 2008 on only; 2013 is the updated release. Working-age adults; the rate for everyone under 65 is uninsured_rate_under_65.

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. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. 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). Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties (Counties in Wisconsin by uninsured rate, ages 18 to 64 (US model-based estimate), 2017) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Wisconsin by uninsured rate, ages 18 to 64 (US model-based estimate), 2017. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wisconsin-counties?period=2017. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Counties in Wisconsin by uninsured rate, ages 18 to 64 (US model-based estimate), 2017. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wisconsin-counties?period=2017.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Wisconsin by uninsured rate, ages 18 to 64 (US model-based estimate), 2017 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/wisconsin-counties?period=2017 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_wisconsin_by_2017,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Wisconsin by uninsured rate, ages 18 to 64 (US model-based estimate), 2017}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wisconsin-counties?period=2017. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Wisconsin by uninsured rate, ages 18 to 64 (US model-based estimate), 2017
PY  - 2026
DA  - 2026/08/06
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/wisconsin-counties?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wisconsin-counties?period=2017.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, ages 18 to 64 (US model-based estimate)?

Clark County, with 15.8% in 2017, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 18 to 64 (US model-based estimate)?

Waukesha County, with 4.4% 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, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, ages 18 to 64 (US model-based estimate): other rankings

Counties in Wisconsin: more rankings