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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 967 people in Illinois with Maltese ancestry (0.01% of Illinois population). Among all Illinois counties, Union County had the highest percentage of its population with Maltese ancestry (0.24%), followed by McHenry County (0.04%), and Peoria County (0.03%).

The chart and table below shows the top 10 counties with high percentage of its population having Maltese 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 Maltese Ancestry in 2021
Union County
McHenry County
Peoria County
Williamson County
Cook County
Kane County
Lake County
McDonough County
Will County
DuPage County
Ranking of Illinois Counties By Percentage of Population with Maltese Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Union County 0.24
2 McHenry County 0.04
3 Peoria County 0.03
3 Williamson County 0.03
4 Cook County 0.01
4 Kane County 0.01
4 Lake County 0.01
4 McDonough County 0.01
4 Will County 0.01
5 DuPage County 0.002
5 Madison County 0.002