Ranking of Indiana Counties By Non-Hispanic White Alone Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Indiana Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 1,237,752. Among all Indiana counties, Marion County had the highest Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (99,052), followed by Lake County (70,833), and Allen County (53,996).

The chart below shows the top 10 Indiana counties, and the table below shows the ranking of all Indiana counties.

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Indiana Counties By Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Marion County
Lake County
Allen County
St. Joseph County
Elkhart County
Porter County
Vanderburgh County
Madison County
Johnson County
Hamilton County
Ranking of Indiana Counties By Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Number of People
1 Marion County 99052
2 Lake County 70833
3 Allen County 53996
4 St. Joseph County 40728
5 Elkhart County 35683
6 Porter County 35679
7 Vanderburgh County 33406
8 Madison County 31269
9 Johnson County 30464
10 Hamilton County 27442
11 Hendricks County 26219
12 LaPorte County 25800
13 Clark County 25765
14 Tippecanoe County 23677
15 Delaware County 20935
16 Vigo County 20021
17 Morgan County 19270
18 Howard County 19032
19 Kosciusko County 17483
20 Hancock County 15455
21 Wayne County 15290
22 Monroe County 15236
23 Bartholomew County 15145
24 Floyd County 14981
25 Grant County 14900
26 Henry County 13934
27 Dearborn County 13279
28 Shelby County 12988
29 DeKalb County 12267
30 Jackson County 12059
31 Lawrence County 11835
32 Warrick County 11675
33 Noble County 11595
34 Harrison County 11257
35 Marshall County 10584
36 Dubois County 10466
37 Huntington County 10212
38 Montgomery County 10125
39 Miami County 9721
40 Cass County 9384
41 Jasper County 9368
42 Putnam County 9200
43 Adams County 8996
44 Gibson County 8995
45 Steuben County 8970
46 Jefferson County 8909
47 Clinton County 8807
48 Wabash County 8714
49 Greene County 8429
50 Whitley County 8318
51 Washington County 8114
52 Boone County 8077
53 Knox County 7885
54 Wells County 7855
55 Ripley County 7825
56 Jennings County 7719
57 Decatur County 7662
58 Clay County 7419
59 Fayette County 7069
60 Starke County 6931
61 Randolph County 6792
62 Scott County 6701
63 Daviess County 6495
64 Owen County 6436
65 White County 6408
66 Posey County 6329
67 LaGrange County 6305
68 Franklin County 6225
69 Jay County 6208
70 Perry County 5918
71 Orange County 5894
72 Carroll County 5801
73 Sullivan County 5754
74 Spencer County 5648
75 Fulton County 5266
76 Rush County 5121
77 Fountain County 4899
78 Vermillion County 4406
79 Tipton County 4311
80 Parke County 4287
81 Newton County 4200
82 Blackford County 4079
83 Pike County 3876
84 Brown County 3821
85 Pulaski County 3804
86 Crawford County 3435
87 Switzerland County 3408
88 Martin County 2864
89 Warren County 2533
90 Benton County 2242
91 Union County 2015
92 Ohio County 1867