Ranking of Indiana Counties By Population with Polish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 197.81K people in Indiana with Polish ancestry. Among all Indiana counties, Lake County had the highest population with Polish ancestry (49.24K), followed by St. Joseph County (25.45K), and Porter County (15.11K).

The chart and table below shows the top 10 counties with high number of people with Polish ancestry.

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

Data Source: US Census Bureau.
Ranking of Indiana Counties By Population with Polish Ancestry in 2021
Lake County
St. Joseph County
Porter County
Marion County
LaPorte County
Hamilton County
Allen County
Tippecanoe County
Elkhart County
Monroe County
Ranking of Indiana Counties By Population with Polish Ancestry in 2021
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Rank County Population
1 Lake County 49238
2 St. Joseph County 25450
3 Porter County 15114
4 Marion County 14652
5 LaPorte County 12555
6 Hamilton County 11108
7 Allen County 8530
8 Tippecanoe County 5284
9 Elkhart County 4089
10 Monroe County 3944
11 Vanderburgh County 3116
12 Hendricks County 2872
13 Johnson County 2212
14 Jasper County 2057
15 Clark County 1970
16 Kosciusko County 1963
17 Vigo County 1677
18 Boone County 1603
19 Madison County 1427
20 Delaware County 1414
21 Starke County 1373
22 Marshall County 1280
23 Howard County 1098
24 Steuben County 1031
25 Noble County 954
26 DeKalb County 938
27 Bartholomew County 877
28 Warrick County 810
29 Grant County 802
30 Newton County 786
31 Hancock County 783
32 Floyd County 718
33 White County 673
34 Decatur County 624
35 Dearborn County 599
36 Jackson County 581
37 Knox County 569
38 Montgomery County 559
39 Wayne County 555
40 Jennings County 531
41 Shelby County 519
42 Morgan County 472
43 Lawrence County 424
44 Whitley County 394
45 Pulaski County 392
45 Randolph County 392
46 Huntington County 357
47 Fulton County 353
47 Jefferson County 353
48 Miami County 350
49 Putnam County 330
50 Clinton County 315
51 Harrison County 313
52 Wells County 306
53 Brown County 302
54 LaGrange County 298
55 Wabash County 296
56 Washington County 279
57 Henry County 276
58 Fountain County 267
59 Adams County 248
60 Ripley County 243
61 Greene County 227
61 Posey County 227
62 Pike County 223
63 Vermillion County 220
64 Daviess County 215
65 Dubois County 207
66 Cass County 204
67 Scott County 202
68 Gibson County 191
69 Carroll County 186
70 Sullivan County 163
71 Clay County 160
72 Franklin County 159
73 Rush County 150
74 Jay County 145
75 Fayette County 134
76 Spencer County 133
77 Owen County 132
78 Parke County 114
79 Warren County 79
80 Perry County 77
81 Tipton County 75
82 Crawford County 67
83 Benton County 65
84 Blackford County 51
85 Ohio County 35
86 Union County 29
87 Switzerland County 27
88 Martin County 9
89 Orange County 6