Grand Detour, Illinois — Nationalities & Ancestry

Nationalities & Ancestry

Breakdown of the population of Grand Detour, Illinois by nationality. Data represents only those respondents who voluntarily listed an ancestry on their response form. Sourced from the U.S. Census Bureau's American Community Survey.

Nationalities & Ancestry
# Ancestry Population Percentage
1.German19438.57%
2.Irish15130.02%
3.English8917.69%
4.Portuguese397.75%
5.Mexican387.55%
6.Hungarian265.17%
7.Italian234.57%
8.French (Except Basque)234.57%
9.Scottish193.78%
10.Spanish American193.78%
11.Danish173.38%
12.Dutch122.39%
13.Scotch-Irish101.99%
14.Scandinavian91.79%