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

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

Mackinac County had the highest uninsured rate, ages 35 to 64 (US, ACS) of 83 counties in 2023, at 14.8%. Clinton County had the lowest, at 3%. The median was 7.1% and the figure for Michigan was 6.2%. Source: the U.S. Census Bureau.

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Highest14.8Mackinac County
Lowest3Clinton County
Median7.183 counties
Michigan6.2History

Map of counties, 2023

Alcona County: 5.5 %Alger County: 5.8 %Allegan County: 6.8 %Alpena County: 7.6 %Antrim County: 6.9 %Arenac County: 8.3 %Baraga County: 6 %Barry County: 6.6 %Bay County: 5.8 %Benzie County: 6.6 %Berrien County: 7.9 %Branch County: 8.5 %Calhoun County: 6.9 %Cass County: 7.9 %Charlevoix County: 7.2 %Cheboygan County: 8.9 %Chippewa County: 8 %Clare County: 10.7 %Clinton County: 3 %Crawford County: 7.2 %Delta County: 8.3 %Dickinson County: 5.5 %Eaton County: 5.1 %Emmet County: 6.8 %Genesee County: 6.6 %Gladwin County: 8.8 %Gogebic County: 8.8 %Grand Traverse County: 5.3 %Gratiot County: 6.8 %Hillsdale County: 7.7 %Houghton County: 7.3 %Huron County: 7.8 %Ingham County: 5.6 %Ionia County: 6.9 %Iosco County: 7.3 %Iron County: 6.5 %Isabella County: 7.7 %Jackson County: 6.6 %Kalamazoo County: 6.5 %Kalkaska County: 9.5 %Kent County: 5.8 %Keweenaw County: 8.6 %Lake County: 9.4 %Lapeer County: 7.1 %Leelanau County: 6.6 %Lenawee County: 7.4 %Livingston County: 3.7 %Luce County: 6 %Mackinac County: 14.8 %Macomb County: 6 %Manistee County: 5.7 %Marquette County: 5.6 %Mason County: 8.4 %Mecosta County: 9.4 %Menominee County: 6.7 %Midland County: 5.3 %Missaukee County: 10.4 %Monroe County: 4.4 %Montcalm County: 9.2 %Montmorency County: 9.1 %Muskegon County: 5.9 %Newaygo County: 8.4 %Oakland County: 4.8 %Oceana County: 10.4 %Ogemaw County: 7.2 %Ontonagon County: 7.1 %Osceola County: 11 %Oscoda County: 14.2 %Otsego County: 6.9 %Ottawa County: 3.9 %Presque Isle County: 7.1 %Roscommon County: 6.9 %Saginaw County: 5.4 %St. Clair County: 6.3 %St. Joseph County: 11 %Sanilac County: 8.6 %Schoolcraft County: 9.9 %Shiawassee County: 5.5 %Tuscola County: 7.2 %Van Buren County: 9.5 %Washtenaw County: 3.6 %Wayne County: 6.9 %Wexford County: 8.8 %
  • Under 5.6
  • 5.6 to 6.6
  • 6.6 to 7.1
  • 7.1 to 7.9
  • 7.9 to 9
  • 9 and over
%, 2023. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2023

Mackinac County: 14.8 %Mackinac County14.8Oscoda County: 14.2 %Oscoda County14.2St. Joseph County: 11 %St. Joseph County11Osceola County: 11 %Osceola County11Clare County: 10.7 %Clare County10.7Missaukee County: 10.4 %Missaukee County10.4Oceana County: 10.4 %Oceana County10.4Schoolcraft County: 9.9 %Schoolcraft County9.9Kalkaska County: 9.5 %Kalkaska County9.5Van Buren County: 9.5 %Van Buren County9.5Lake County: 9.4 %Lake County9.4Mecosta County: 9.4 %Mecosta County9.4Montcalm County: 9.2 %Montcalm County9.2Montmorency County: 9.1 %Montmorency County9.1Cheboygan County: 8.9 %Cheboygan County8.9Gladwin County: 8.8 %Gladwin County8.8Gogebic County: 8.8 %Gogebic County8.8Wexford County: 8.8 %Wexford County8.8Sanilac County: 8.6 %Sanilac County8.6Keweenaw County: 8.6 %Keweenaw County8.6Branch County: 8.5 %Branch County8.5Mason County: 8.4 %Mason County8.4Newaygo County: 8.4 %Newaygo County8.4Arenac County: 8.3 %Arenac County8.3Delta County: 8.3 %Delta County8.3Chippewa County: 8 %Chippewa County8Cass County: 7.9 %Cass County7.9Berrien County: 7.9 %Berrien County7.9Huron County: 7.8 %Huron County7.8Hillsdale County: 7.7 %Hillsdale County7.7Isabella County: 7.7 %Isabella County7.7Alpena County: 7.6 %Alpena County7.6Lenawee County: 7.4 %Lenawee County7.4Iosco County: 7.3 %Iosco County7.3Houghton County: 7.3 %Houghton County7.3Charlevoix County: 7.2 %Charlevoix County7.2Crawford County: 7.2 %Crawford County7.2Tuscola County: 7.2 %Tuscola County7.2Ogemaw County: 7.2 %Ogemaw County7.2Lapeer County: 7.1 %Lapeer County7.1Mackinac County: 14.8 %Mackinac County14.8Oscoda County: 14.2 %Oscoda County14.2St. Joseph County: 11 %St. Joseph County11Osceola County: 11 %Osceola County11Clare County: 10.7 %Clare County10.7Missaukee County: 10.4 %Missaukee County10.4Oceana County: 10.4 %Oceana County10.4Schoolcraft County: 9.9 %Schoolcraft County9.9Kalkaska County: 9.5 %Kalkaska County9.5Van Buren County: 9.5 %Van Buren County9.5Lake County: 9.4 %Lake County9.4Mecosta County: 9.4 %Mecosta County9.4Montcalm County: 9.2 %Montcalm County9.2Montmorency County: 9.1 %Montmorency County9.1Cheboygan County: 8.9 %Cheboygan County8.9Gladwin County: 8.8 %Gladwin County8.8Gogebic County: 8.8 %Gogebic County8.8Wexford County: 8.8 %Wexford County8.8Sanilac County: 8.6 %Sanilac County8.6Keweenaw County: 8.6 %Keweenaw County8.6Branch County: 8.5 %Branch County8.5Mason County: 8.4 %Mason County8.4Newaygo County: 8.4 %Newaygo County8.4Arenac County: 8.3 %Arenac County8.3Delta County: 8.3 %Delta County8.3Chippewa County: 8 %Chippewa County8Cass County: 7.9 %Cass County7.9Berrien County: 7.9 %Berrien County7.9Huron County: 7.8 %Huron County7.8Hillsdale County: 7.7 %Hillsdale County7.7Isabella County: 7.7 %Isabella County7.7Alpena County: 7.6 %Alpena County7.6Lenawee County: 7.4 %Lenawee County7.4Iosco County: 7.3 %Iosco County7.3Houghton County: 7.3 %Houghton County7.3Charlevoix County: 7.2 %Charlevoix County7.2Crawford County: 7.2 %Crawford County7.2Tuscola County: 7.2 %Tuscola County7.2Ogemaw County: 7.2 %Ogemaw County7.2Lapeer County: 7.1 %Lapeer County7.1
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Mackinac County14.8-0.5 pts
2Oscoda County14.2-2.6 pts
3St. Joseph County11+0.3 pts
4Osceola County11+0.2 pts
5Clare County10.7-1.4 pts
6Missaukee County10.4-1.2 pts
7Oceana County10.4-0.1 pts
8Schoolcraft County9.9+0.2 pts
9Kalkaska County9.5-0 pts
10Van Buren County9.5-0.5 pts
11Lake County9.4+0.1 pts
12Mecosta County9.4-0.5 pts
13Montcalm County9.2-0.5 pts
14Montmorency County9.1-2.3 pts
15Cheboygan County8.9-0.2 pts
16Gladwin County8.8-0.2 pts
17Gogebic County8.8+2.7 pts
17Wexford County8.8-0.4 pts
19Sanilac County8.6+0.5 pts
20Keweenaw County8.6-0.3 pts
21Branch County8.5+0.7 pts
22Mason County8.4-0.5 pts
23Newaygo County8.4-0.1 pts
24Arenac County8.3+0.9 pts
25Delta County8.3+0.3 pts
26Chippewa County8-0.7 pts
27Cass County7.9+0.1 pts
28Berrien County7.9-0.3 pts
29Huron County7.8-0.1 pts
30Hillsdale County7.7+0.4 pts
31Isabella County7.7-1.5 pts
32Alpena County7.6-0.7 pts
33Lenawee County7.4+0.3 pts
34Iosco County7.3-1.4 pts
35Houghton County7.3+0.6 pts
36Charlevoix County7.2-1.4 pts
37Crawford County7.2+0.7 pts
38Tuscola County7.2-0.4 pts
39Ogemaw County7.2-0.6 pts
40Lapeer County7.1-1.3 pts
41Presque Isle County7.1+0.3 pts
42Ontonagon County7.1-1.3 pts
43Antrim County6.9-0.1 pts
44Wayne County6.9-0.2 pts
45Calhoun County6.9+0.2 pts
46Otsego County6.9-1.1 pts
47Roscommon County6.9-1.9 pts
48Ionia County6.9-1.4 pts
49Emmet County6.8+0.1 pts
50Gratiot County6.8-0.4 pts
51Allegan County6.80 pts
52Menominee County6.7-0.4 pts
53Barry County6.60 pts
54Jackson County6.6-0.7 pts
55Benzie County6.6-0.6 pts
56Leelanau County6.6-0.6 pts
57Genesee County6.6+0.3 pts
58Kalamazoo County6.5+0.4 pts
59Iron County6.5-2 pts
60St. Clair County6.3+0.2 pts
61Luce County6+0.7 pts
62Macomb County6-0.1 pts
63Baraga County6-0.5 pts
64Muskegon County5.9-0.1 pts
65Bay County5.8-0.4 pts
66Alger County5.8+1.1 pts
66Kent County5.8-0.1 pts
68Manistee County5.7-0.5 pts
69Ingham County5.6-0.3 pts
69Marquette County5.6-0.2 pts
71Dickinson County5.5+0.3 pts
72Alcona County5.5-0 pts
73Shiawassee County5.5-0.5 pts
74Saginaw County5.4-0.1 pts
75Midland County5.3+0.4 pts
76Grand Traverse County5.3-1.4 pts
77Eaton County5.1-0.1 pts
78Oakland County4.8-0.2 pts
79Monroe County4.4+0.2 pts
80Ottawa County3.9-0 pts
81Livingston County3.7-0.4 pts
82Washtenaw County3.6-0 pts
83Clinton County3-0.5 pts

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/2023/table-based-SF/data/5YRData/acsdt5y2023-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 Michigan by uninsured rate, ages 35 to 64 (US, ACS), 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-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 Michigan by uninsured rate, ages 35 to 64 (US, ACS), 2023. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/michigan-counties?period=2023. 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 Michigan by uninsured rate, ages 35 to 64 (US, ACS), 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/michigan-counties?period=2023.

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 Michigan by uninsured rate, ages 35 to 64 (US, ACS), 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-35-64/michigan-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_michigan_by_2023,
  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 Michigan by uninsured rate, ages 35 to 64 (US, ACS), 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/michigan-counties?period=2023. 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/2023/table-based-SF/data/5YRData/acsdt5y2023-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 Michigan by uninsured rate, ages 35 to 64 (US, ACS), 2023
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate-ages-35-64/michigan-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/michigan-counties?period=2023.
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/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in Michigan 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)?

Mackinac County, with 14.8% in 2023, according to the U.S. Census Bureau.

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

Clinton County, with 3% in 2023.

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 Michigan: more rankings