Ranking of Illinois Counties By Percentage of Population with Alsatian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 454 people in Illinois with Alsatian ancestry (0.004% of Illinois population). Among all Illinois counties, Piatt County had the highest percentage of its population with Alsatian ancestry (0.10%), followed by Randolph County (0.05%), and Menard County (0.03%).

The chart and table below shows the top 10 counties with high percentage of its population having Alsatian ancestry.

You can see similar information for other states and for other ancestry groups in Illinois.

Data Source: US Census Bureau.
Ranking of Illinois Counties By Percentage of Population with Alsatian Ancestry in 2021
Piatt County
Randolph County
Menard County
Crawford County
Champaign County
DuPage County
Henry County
Livingston County
St. Clair County
Tazewell County
Ranking of Illinois Counties By Percentage of Population with Alsatian Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Piatt County 0.10
2 Randolph County 0.05
3 Menard County 0.03
4 Crawford County 0.02
5 Champaign County 0.01
5 DuPage County 0.01
5 Henry County 0.01
5 Livingston County 0.01
5 St. Clair County 0.01
5 Tazewell County 0.01
5 Winnebago County 0.01
6 Cook County 0.004
6 McLean County 0.004
7 Kane County 0.003
7 LaSalle County 0.003
8 Will County 0.002