Ranking of Michigan Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Michigan (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 8.42%. Among all Michigan counties, Lake County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Less than High School Diploma (18.04%), followed by Oscoda County (17.88%), and Clare County (13.50%).
The chart below shows the top 10 Michigan counties, and the table below shows the ranking of all Michigan counties.
You can see similar information for other educational attainments.
You can also see similar information for other states and for the United States.
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Related Topics: Michigan ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Michigan Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Lake County | 18.04 |
| 2 | Oscoda County | 17.88 |
| 3 | Clare County | 13.50 |
| 4 | St. Joseph County | 13.17 |
| 5 | Ogemaw County | 12.91 |
| 6 | Wayne County | 12.39 |
| 7 | Kalkaska County | 11.92 |
| 8 | Montmorency County | 11.89 |
| 9 | Van Buren County | 11.70 |
| 10 | Gladwin County | 11.67 |
| 11 | Oceana County | 11.63 |
| 12 | Montcalm County | 11.52 |
| 13 | Osceola County | 11.21 |
| 14 | Arenac County | 11.20 |
| 15 | Branch County | 11.13 |
| 16 | Cass County | 10.93 |
| 17 | Iosco County | 10.55 |
| 18 | Hillsdale County | 10.25 |
| 19 | Newaygo County | 10.24 |
| 20 | Sanilac County | 10.04 |
| 21 | Missaukee County | 9.84 |
| 22 | Schoolcraft County | 9.82 |
| 23 | Macomb County | 9.61 |
| 24 | Alcona County | 9.57 |
| 25 | Wexford County | 9.52 |
| 26 | Tuscola County | 9.48 |
| 27 | Saginaw County | 9.45 |
| 28 | Cheboygan County | 9.28 |
| 29 | Berrien County | 9.23 |
| 30 | Presque Isle County | 9.21 |
| 31 | Roscommon County | 9.17 |
| 32 | Huron County | 9.03 |
| 33 | Calhoun County | 8.98 |
| 34 | Baraga County | 8.93 |
| 35 | Bay County | 8.90 |
| 36 | Genesee County | 8.85 |
| 37 | Manistee County | 8.82 |
| 38 | Allegan County | 8.69 |
| 39 | Crawford County | 8.64 |
| 40 | Lenawee County | 8.55 |
| 40 | Mackinac County | 8.55 |
| 41 | Monroe County | 8.50 |
| 42 | Ionia County | 8.49 |
| 43 | Alger County | 8.41 |
| 44 | Lapeer County | 8.31 |
| 45 | Muskegon County | 8.30 |
| 46 | Jackson County | 8.17 |
| 47 | Gratiot County | 8.16 |
| 47 | St. Clair County | 8.16 |
| 48 | Shiawassee County | 7.96 |
| 49 | Kent County | 7.90 |
| 50 | Chippewa County | 7.85 |
| 51 | Iron County | 7.73 |
| 52 | Luce County | 7.61 |
| 53 | Mecosta County | 7.57 |
| 54 | Isabella County | 7.48 |
| 55 | Alpena County | 7.31 |
| 56 | Delta County | 7.28 |
| 57 | Houghton County | 7.09 |
| 58 | Benzie County | 7.02 |
| 59 | Menominee County | 6.98 |
| 60 | Antrim County | 6.88 |
| 61 | Ontonagon County | 6.73 |
| 62 | Mason County | 6.69 |
| 63 | Barry County | 6.58 |
| 64 | Otsego County | 6.40 |
| 65 | Ingham County | 6.30 |
| 66 | Ottawa County | 6.23 |
| 67 | Charlevoix County | 6.02 |
| 68 | Gogebic County | 5.84 |
| 69 | Kalamazoo County | 5.70 |
| 70 | Oakland County | 5.35 |
| 71 | Midland County | 5.31 |
| 72 | Eaton County | 5.08 |
| 73 | Grand Traverse County | 4.84 |
| 74 | Clinton County | 4.74 |
| 75 | Marquette County | 4.71 |
| 76 | Emmet County | 4.62 |
| 77 | Dickinson County | 4.34 |
| 78 | Washtenaw County | 4.28 |
| 79 | Livingston County | 4.05 |
| 80 | Leelanau County | 3.65 |
| 81 | Keweenaw County | 3.57 |