Ranking of Michigan Counties By Percentage of Population with Celtic Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.67K people in Michigan with Celtic ancestry (0.02% of Michigan population). Among all Michigan counties, Grand Traverse County had the highest percentage of its population with Celtic ancestry (0.06%), followed by Montmorency County (0.06%), and Sanilac County (0.06%).

The chart and table below shows the top 10 counties with high percentage of its population having Celtic 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 Celtic Ancestry in 2021
Grand Traverse County
Montmorency County
Sanilac County
Charlevoix County
Saginaw County
St. Clair County
Van Buren County
Washtenaw County
Bay County
Lenawee County
Ranking of Michigan Counties By Percentage of Population with Celtic Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Grand Traverse County 0.06
1 Montmorency County 0.06
1 Sanilac County 0.06
2 Charlevoix County 0.05
2 Saginaw County 0.05
2 St. Clair County 0.05
2 Van Buren County 0.05
2 Washtenaw County 0.05
3 Bay County 0.04
3 Lenawee County 0.04
3 Mackinac County 0.04
3 Schoolcraft County 0.04
4 Chippewa County 0.03
4 Clare County 0.03
4 Isabella County 0.03
4 Jackson County 0.03
4 Lapeer County 0.03
4 Macomb County 0.03
4 Monroe County 0.03
4 Montcalm County 0.03
5 Allegan County 0.02
5 Delta County 0.02
5 Genesee County 0.02
5 Kent County 0.02
5 Livingston County 0.02
5 Muskegon County 0.02
5 Otsego County 0.02
6 Barry County 0.01
6 Branch County 0.01
6 Calhoun County 0.01
6 Cass County 0.01
6 Eaton County 0.01
6 Emmet County 0.01
6 Hillsdale County 0.01
6 Ingham County 0.01
6 Ionia County 0.01
6 Kalamazoo County 0.01
6 Mecosta County 0.01
6 Oakland County 0.01
6 Oceana County 0.01
6 Ottawa County 0.01
6 Shiawassee County 0.01
6 Wayne County 0.01