Ranking of Michigan Counties By Percentage of Population with Unclassified Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.15M people in Michigan with Unclassified ancestry (21.42% of Michigan population). Among all Michigan counties, Montcalm County had the highest percentage of its population with Unclassified ancestry (38.71%), followed by Osceola County (35.50%), and Gladwin County (34.92%).
The chart and table below shows the top 10 counties with high percentage of its population having Unclassified ancestry.
You can see similar information for other states and for other ancestry groups in Michigan.
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Related Topics: Michigan ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Michigan Counties By Percentage of Population with Unclassified Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Montcalm County | 38.71 |
| 2 | Osceola County | 35.50 |
| 3 | Gladwin County | 34.92 |
| 4 | Muskegon County | 34.44 |
| 5 | Cass County | 34.34 |
| 6 | Wexford County | 34.05 |
| 7 | Lake County | 33.88 |
| 8 | Hillsdale County | 33.67 |
| 9 | Newaygo County | 33.14 |
| 10 | Mecosta County | 31.79 |
| 11 | Gratiot County | 31.63 |
| 12 | Tuscola County | 30.38 |
| 13 | Calhoun County | 30.27 |
| 14 | Benzie County | 30.01 |
| 15 | Ogemaw County | 29.99 |
| 16 | Clare County | 29.94 |
| 17 | Oceana County | 29.25 |
| 18 | Arenac County | 29.07 |
| 19 | Barry County | 28.74 |
| 20 | Mason County | 28.27 |
| 21 | Berrien County | 28.03 |
| 22 | Bay County | 27.77 |
| 23 | Midland County | 27.59 |
| 24 | Ionia County | 27.16 |
| 25 | Sanilac County | 27.10 |
| 26 | Lapeer County | 26.99 |
| 27 | Manistee County | 26.72 |
| 28 | Oscoda County | 26.59 |
| 29 | Van Buren County | 26.47 |
| 30 | Menominee County | 26.21 |
| 31 | Branch County | 25.78 |
| 32 | Monroe County | 25.37 |
| 33 | Isabella County | 25.33 |
| 34 | Iosco County | 25.16 |
| 35 | St. Joseph County | 25.07 |
| 36 | Eaton County | 25.04 |
| 37 | Cheboygan County | 24.97 |
| 38 | Shiawassee County | 24.85 |
| 39 | Chippewa County | 24.84 |
| 40 | Allegan County | 24.76 |
| 40 | Luce County | 24.76 |
| 41 | Delta County | 24.58 |
| 42 | Ingham County | 24.45 |
| 43 | Kalamazoo County | 24.42 |
| 44 | Alger County | 24.41 |
| 45 | St. Clair County | 24.19 |
| 46 | Roscommon County | 24.16 |
| 47 | Schoolcraft County | 23.78 |
| 48 | Kalkaska County | 23.65 |
| 49 | Grand Traverse County | 23.50 |
| 50 | Missaukee County | 23.46 |
| 51 | Clinton County | 23.11 |
| 52 | Mackinac County | 23.04 |
| 53 | Lenawee County | 22.85 |
| 54 | Otsego County | 22.11 |
| 55 | Baraga County | 21.63 |
| 56 | Marquette County | 21.55 |
| 57 | Jackson County | 21.26 |
| 57 | Montmorency County | 21.26 |
| 58 | Charlevoix County | 21.24 |
| 59 | Genesee County | 21.14 |
| 60 | Huron County | 20.91 |
| 61 | Ottawa County | 20.88 |
| 62 | Crawford County | 20.85 |
| 63 | Saginaw County | 20.56 |
| 64 | Kent County | 20.53 |
| 65 | Dickinson County | 20.51 |
| 66 | Antrim County | 20.46 |
| 67 | Leelanau County | 20.08 |
| 68 | Alpena County | 20.01 |
| 69 | Presque Isle County | 19.96 |
| 70 | Livingston County | 19.56 |
| 71 | Emmet County | 19.18 |
| 72 | Houghton County | 18.80 |
| 73 | Washtenaw County | 18.40 |
| 74 | Alcona County | 17.70 |
| 75 | Macomb County | 17.50 |
| 76 | Oakland County | 17.23 |
| 77 | Wayne County | 16.84 |
| 78 | Gogebic County | 15.94 |
| 79 | Keweenaw County | 15.16 |
| 80 | Iron County | 13.89 |
| 81 | Ontonagon County | 11.88 |