Ranking of Indiana Counties By Percentage of Population with American Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 494.35K people in Indiana with American ancestry (7.32% of Indiana population). Among all Indiana counties, Boone County had the highest percentage of its population with American ancestry (15.26%), followed by Hendricks County (15.03%), and Shelby County (14.28%).

The chart and table below shows the top 10 counties with high percentage of its population having American 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 Percentage of Population with American Ancestry in 2021
Boone County
Hendricks County
Shelby County
Jennings County
Washington County
Fayette County
Johnson County
Jackson County
Brown County
Henry County
Ranking of Indiana Counties By Percentage of Population with American Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Boone County 15.26
2 Hendricks County 15.03
3 Shelby County 14.28
4 Jennings County 13.93
5 Washington County 13.41
6 Fayette County 13.11
7 Johnson County 12.77
8 Jackson County 12.69
9 Brown County 12.24
10 Henry County 12.05
11 Morgan County 11.76
12 Warren County 11.54
13 Fountain County 11.14
14 Parke County 11.11
15 Randolph County 11.08
16 Switzerland County 11.00
17 Owen County 10.85
18 Orange County 10.80
19 Decatur County 10.79
20 LaGrange County 10.59
21 Howard County 10.58
22 Lawrence County 10.56
23 Carroll County 10.45
24 Dearborn County 10.43
24 Grant County 10.43
25 Rush County 10.36
26 Jefferson County 10.34
27 Tipton County 10.22
28 Madison County 10.17
28 Union County 10.17
29 Harrison County 10.12
30 Wabash County 10.03
31 Ripley County 10.02
32 Putnam County 9.97
33 Montgomery County 9.74
34 Clinton County 9.69
35 Delaware County 9.68
36 Pike County 9.52
37 Franklin County 9.40
38 Gibson County 9.32
38 Steuben County 9.32
38 Sullivan County 9.32
39 Hancock County 9.30
40 Blackford County 9.20
41 Clay County 9.04
42 Greene County 8.97
43 Huntington County 8.96
44 Perry County 8.90
45 Bartholomew County 8.85
46 Adams County 8.83
47 DeKalb County 8.69
48 Wayne County 8.61
48 Whitley County 8.61
49 Scott County 8.50
50 Vermillion County 8.41
51 Knox County 8.18
52 Daviess County 8.16
53 Marshall County 8.14
54 Crawford County 8.08
55 Wells County 8.01
56 Ohio County 7.99
57 Kosciusko County 7.96
58 Martin County 7.94
59 Spencer County 7.82
60 Floyd County 7.79
61 Benton County 7.59
62 Cass County 7.57
62 Noble County 7.57
63 Vigo County 7.34
64 Clark County 7.31
65 Miami County 7.05
66 Jay County 7.02
67 Elkhart County 6.79
68 Fulton County 6.77
69 Dubois County 6.66
70 Hamilton County 6.61
71 Warrick County 6.52
71 White County 6.52
72 Newton County 6.31
73 Posey County 6.30
74 Allen County 6.20
75 Vanderburgh County 6.19
76 Starke County 6.15
77 Monroe County 5.55
78 Marion County 5.04
79 Tippecanoe County 4.89
80 Jasper County 4.71
81 Pulaski County 4.59
82 St. Joseph County 4.11
83 LaPorte County 4.09
84 Porter County 3.71
85 Lake County 2.25