Ranking of Michigan Counties By Percentage of Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.01M people in Michigan with Irish ancestry (10.01% of Michigan population). Among all Michigan counties, Crawford County had the highest percentage of its population with Irish ancestry (15.96%), followed by Shiawassee County (14.84%), and Charlevoix County (14.77%).
The chart and table below shows the top 10 counties with high percentage of its population having Irish 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 Irish Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Crawford County | 15.96 |
| 2 | Shiawassee County | 14.84 |
| 3 | Charlevoix County | 14.77 |
| 4 | Livingston County | 14.49 |
| 5 | Cheboygan County | 14.39 |
| 6 | Otsego County | 14.22 |
| 7 | Jackson County | 14.16 |
| 8 | Alcona County | 13.89 |
| 9 | Antrim County | 13.69 |
| 10 | Grand Traverse County | 13.67 |
| 11 | Eaton County | 13.63 |
| 12 | Clare County | 13.28 |
| 13 | Lapeer County | 13.03 |
| 14 | Luce County | 12.95 |
| 15 | Roscommon County | 12.93 |
| 16 | Montmorency County | 12.76 |
| 17 | Leelanau County | 12.71 |
| 18 | Arenac County | 12.61 |
| 19 | Clinton County | 12.53 |
| 20 | Emmet County | 12.43 |
| 21 | St. Clair County | 12.41 |
| 22 | Isabella County | 12.31 |
| 23 | Ionia County | 12.23 |
| 24 | Alger County | 12.15 |
| 25 | Van Buren County | 12.00 |
| 26 | Sanilac County | 11.95 |
| 27 | Branch County | 11.80 |
| 28 | Midland County | 11.79 |
| 29 | Osceola County | 11.70 |
| 30 | Oscoda County | 11.63 |
| 31 | Kalkaska County | 11.61 |
| 32 | Hillsdale County | 11.56 |
| 33 | Mecosta County | 11.42 |
| 34 | Iosco County | 11.33 |
| 35 | Monroe County | 11.28 |
| 36 | Benzie County | 11.25 |
| 37 | Berrien County | 10.95 |
| 38 | Ingham County | 10.94 |
| 39 | Lenawee County | 10.92 |
| 40 | Lake County | 10.81 |
| 41 | Oakland County | 10.78 |
| 42 | Ogemaw County | 10.77 |
| 43 | Missaukee County | 10.67 |
| 44 | Ontonagon County | 10.64 |
| 45 | Washtenaw County | 10.61 |
| 46 | Kalamazoo County | 10.60 |
| 47 | Gladwin County | 10.55 |
| 48 | Marquette County | 10.51 |
| 49 | Genesee County | 10.41 |
| 50 | Cass County | 10.37 |
| 51 | Mackinac County | 10.34 |
| 52 | Dickinson County | 10.28 |
| 53 | Tuscola County | 10.24 |
| 54 | Barry County | 10.23 |
| 55 | Newaygo County | 10.12 |
| 56 | Wexford County | 10.11 |
| 57 | Calhoun County | 10.07 |
| 58 | Macomb County | 9.84 |
| 59 | Bay County | 9.81 |
| 60 | Delta County | 9.75 |
| 61 | Mason County | 9.67 |
| 62 | Alpena County | 9.55 |
| 62 | Kent County | 9.55 |
| 63 | Montcalm County | 9.43 |
| 64 | Huron County | 9.28 |
| 64 | Manistee County | 9.28 |
| 65 | Saginaw County | 9.25 |
| 66 | Allegan County | 9.07 |
| 67 | Chippewa County | 9.06 |
| 68 | Gratiot County | 8.99 |
| 69 | Ottawa County | 8.76 |
| 70 | St. Joseph County | 8.61 |
| 71 | Baraga County | 8.47 |
| 72 | Oceana County | 8.39 |
| 73 | Presque Isle County | 8.35 |
| 74 | Muskegon County | 8.09 |
| 75 | Schoolcraft County | 7.95 |
| 76 | Houghton County | 7.71 |
| 77 | Menominee County | 7.59 |
| 78 | Iron County | 7.56 |
| 79 | Keweenaw County | 6.87 |
| 80 | Wayne County | 6.80 |
| 81 | Gogebic County | 6.04 |