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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 871 people in Illinois with Icelander ancestry (0.01% of Illinois population). Among all Illinois counties, Richland County had the highest percentage of its population with Icelander ancestry (0.12%), followed by LaSalle County (0.05%), and Tazewell County (0.03%).

The chart and table below shows the top 10 counties with high percentage of its population having Icelander 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 Icelander Ancestry in 2021
Richland County
LaSalle County
Tazewell County
Fulton County
Kane County
Ogle County
St. Clair County
Sangamon County
Champaign County
Cook County
Ranking of Illinois Counties By Percentage of Population with Icelander Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Richland County 0.12
2 LaSalle County 0.05
3 Tazewell County 0.03
4 Fulton County 0.02
4 Kane County 0.02
4 Ogle County 0.02
4 St. Clair County 0.02
4 Sangamon County 0.02
5 Champaign County 0.01
5 Cook County 0.01
5 DuPage County 0.01
5 Lake County 0.01
5 McHenry County 0.01
5 McLean County 0.01
5 Peoria County 0.01
6 Grundy County 0.004
6 Knox County 0.004
7 Will County 0.003
7 Winnebago County 0.003
8 Madison County 0.001