Ranking of Illinois Counties By Population with Swedish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 236.84K people in Illinois with Swedish ancestry. Among all Illinois counties, Cook County had the highest population with Swedish ancestry (64.27K), followed by DuPage County (21.79K), and Winnebago County (21.20K).

The chart and table below shows the top 10 counties with high number of people with Swedish 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 Population with Swedish Ancestry in 2021
Cook County
DuPage County
Winnebago County
Lake County
Kane County
Will County
McHenry County
Rock Island County
DeKalb County
Henry County
Ranking of Illinois Counties By Population with Swedish Ancestry in 2021
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Rank County Population
1 Cook County 64271
2 DuPage County 21790
3 Winnebago County 21201
4 Lake County 15284
5 Kane County 13941
6 Will County 13256
7 McHenry County 11718
8 Rock Island County 7127
9 DeKalb County 4920
10 Henry County 4336
11 Boone County 4030
12 McLean County 3600
13 Knox County 3530
14 Ogle County 2974
15 Peoria County 2956
16 Champaign County 2481
17 Kendall County 2372
18 Kankakee County 2254
19 LaSalle County 2157
20 Tazewell County 2034
21 Sangamon County 1984
22 Madison County 1837
23 Bureau County 1712
24 Whiteside County 1448
25 Mercer County 1336
26 St. Clair County 1265
27 Stephenson County 1207
28 Grundy County 1013
29 Warren County 987
30 McDonough County 957
31 Macon County 949
32 Adams County 897
33 Jo Daviess County 789
34 Fulton County 761
35 Lee County 755
36 Woodford County 652
37 Vermilion County 539
38 Coles County 538
39 Ford County 515
40 Williamson County 431
41 Carroll County 412
42 Effingham County 400
43 Livingston County 366
44 Iroquois County 359
45 Christian County 352
46 Logan County 343
47 Marshall County 338
48 Montgomery County 336
49 Franklin County 324
50 Henderson County 322
51 Jackson County 321
52 Jefferson County 304
53 Hancock County 301
54 Monroe County 298
55 Fayette County 297
55 Piatt County 297
56 Putnam County 289
57 Morgan County 274
58 Wayne County 210
59 Stark County 206
60 Edgar County 202
61 Richland County 200
62 De Witt County 190
63 Cass County 187
64 Macoupin County 172
64 Union County 172
65 Marion County 160
65 Shelby County 160
66 Jersey County 155
67 Menard County 150
68 Douglas County 148
69 Mason County 137
70 Perry County 131
71 Randolph County 128
72 Bond County 117
73 Clinton County 115
74 Moultrie County 111
75 Massac County 93
76 Cumberland County 90
77 Crawford County 81
78 Washington County 77
79 Saline County 72
80 Clay County 71
81 Hamilton County 67
82 Wabash County 59
83 Schuyler County 54
84 Pike County 49
85 White County 45
86 Clark County 43
87 Hardin County 41
88 Lawrence County 39
89 Greene County 35
90 Johnson County 32
91 Brown County 28
92 Jasper County 22
93 Scott County 21
94 Pulaski County 17
95 Edwards County 8
96 Calhoun County 7
97 Pope County 3
98 Alexander County 2