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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.00M people in Indiana with Unclassified ancestry (29.67% of Indiana population). Among all Indiana counties, Putnam County had the highest percentage of its population with Unclassified ancestry (46.84%), followed by Scott County (44.90%), and Morgan County (44.52%).

The chart and table below shows the top 10 counties with high percentage of its population having Unclassified 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 Unclassified Ancestry in 2021
Putnam County
Scott County
Morgan County
Knox County
Martin County
Starke County
Clay County
Owen County
Carroll County
Sullivan County
Ranking of Indiana Counties By Percentage of Population with Unclassified Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Putnam County 46.84
2 Scott County 44.90
3 Morgan County 44.52
4 Knox County 44.44
5 Martin County 44.06
6 Starke County 43.41
7 Clay County 43.03
8 Owen County 42.82
9 Carroll County 42.52
10 Sullivan County 42.14
11 Jay County 41.26
12 Orange County 40.84
13 Daviess County 40.21
14 Fulton County 40.19
15 Warren County 40.10
16 Blackford County 40.00
17 Greene County 39.89
18 Vermillion County 39.00
19 Clinton County 38.96
20 Shelby County 38.91
21 Adams County 38.90
22 Lawrence County 38.59
23 Switzerland County 38.26
24 Henry County 38.20
25 Gibson County 38.14
26 Fountain County 38.10
27 Washington County 37.97
28 Marshall County 37.66
29 Vigo County 37.57
30 Pulaski County 37.44
31 Harrison County 37.05
32 Franklin County 36.95
33 Fayette County 36.84
34 Posey County 36.78
35 Rush County 36.67
36 Cass County 36.14
37 Crawford County 35.86
38 Ohio County 35.80
39 Grant County 35.70
40 Parke County 35.49
41 White County 35.43
42 Miami County 35.20
43 Montgomery County 34.83
44 Wayne County 34.80
45 Ripley County 34.72
46 Randolph County 34.66
46 Union County 34.66
47 Brown County 34.65
48 Wells County 34.59
49 Benton County 34.37
50 Decatur County 34.18
51 Johnson County 34.14
52 Huntington County 34.00
53 Howard County 33.31
54 Tipton County 33.24
55 Hendricks County 33.16
56 Jefferson County 32.76
57 Delaware County 32.64
58 Floyd County 31.23
59 DeKalb County 31.18
60 Bartholomew County 30.91
61 Monroe County 30.86
62 Jennings County 30.71
63 Hancock County 30.70
64 Madison County 30.48
65 Wabash County 30.47
66 Clark County 30.14
67 Jackson County 30.09
68 Jasper County 29.90
69 Tippecanoe County 29.74
70 Elkhart County 29.64
71 Kosciusko County 29.59
71 Newton County 29.59
72 Whitley County 29.19
73 Vanderburgh County 29.03
74 Boone County 28.41
75 Pike County 28.32
76 LaPorte County 28.31
77 Dearborn County 28.15
78 Noble County 26.94
79 Marion County 26.62
80 Steuben County 26.19
81 Perry County 25.91
82 Warrick County 25.43
83 Porter County 25.00
84 Allen County 24.60
85 St. Joseph County 24.44
86 Spencer County 24.39
87 Hamilton County 22.71
88 LaGrange County 20.55
89 Dubois County 20.49
90 Lake County 20.10