Ranking of Illinois Counties By Percentage of Population with Pennsylvania German Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 3.97K people in Illinois with Pennsylvania German ancestry (0.03% of Illinois population). Among all Illinois counties, Douglas County had the highest percentage of its population with Pennsylvania German ancestry (3.10%), followed by Moultrie County (1.63%), and Greene County (0.57%).

The chart and table below shows the top 10 counties with high percentage of its population having Pennsylvania German 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 Pennsylvania German Ancestry in 2021
Douglas County
Moultrie County
Greene County
Saline County
Marshall County
Crawford County
Coles County
Stephenson County
Jefferson County
Warren County
Ranking of Illinois Counties By Percentage of Population with Pennsylvania German Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Douglas County 3.10
2 Moultrie County 1.63
3 Greene County 0.57
4 Saline County 0.44
5 Marshall County 0.31
6 Crawford County 0.28
7 Coles County 0.27
8 Stephenson County 0.26
9 Jefferson County 0.23
10 Warren County 0.22
11 Henderson County 0.20
11 Wayne County 0.20
12 Macon County 0.19
12 Schuyler County 0.19
13 Carroll County 0.17
14 Lee County 0.16
14 Whiteside County 0.16
15 Macoupin County 0.13
16 Edwards County 0.11
16 Knox County 0.11
16 Richland County 0.11
17 Jo Daviess County 0.10
17 Peoria County 0.10
18 Bureau County 0.09
18 De Witt County 0.09
19 Perry County 0.08
20 LaSalle County 0.07
20 Livingston County 0.07
21 Champaign County 0.06
21 Henry County 0.06
21 Mason County 0.06
21 Williamson County 0.06
22 Effingham County 0.05
22 Jersey County 0.05
22 Sangamon County 0.05
22 Winnebago County 0.05
23 Mercer County 0.04
23 Ogle County 0.04
23 Piatt County 0.04
23 Shelby County 0.04
23 Union County 0.04
23 Wabash County 0.04
24 Boone County 0.03
24 Cumberland County 0.03
24 Fulton County 0.03
24 Iroquois County 0.03
24 Jackson County 0.03
24 Kane County 0.03
24 McDonough County 0.03
24 McHenry County 0.03
24 Madison County 0.03
25 Adams County 0.02
25 Cass County 0.02
25 Clay County 0.02
25 Edgar County 0.02
25 Franklin County 0.02
25 McLean County 0.02
25 Vermilion County 0.02
26 Christian County 0.01
26 Cook County 0.01
26 DeKalb County 0.01
26 DuPage County 0.01
26 Hancock County 0.01
26 Lake County 0.01
26 Logan County 0.01
26 Montgomery County 0.01
26 Randolph County 0.01
26 Rock Island County 0.01
26 Washington County 0.01
26 Will County 0.01
26 Woodford County 0.01
27 Tazewell County 0.004