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.

Data Source: US Census Bureau.
Ranking of Michigan Counties By Percentage of Population with Irish Ancestry in 2021
Crawford County
Shiawassee County
Charlevoix County
Livingston County
Cheboygan County
Otsego County
Jackson County
Alcona County
Antrim County
Grand Traverse County
Ranking of Michigan Counties By Percentage of Population with Irish Ancestry in 2021
0 of 0
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