Ranking of Indiana Counties By Non-Hispanic White Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma 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 Less than High School Diploma was 308,789. Among all Indiana counties, Marion County had the highest Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (32,375), followed by Elkhart County (15,532), and Lake County (11,869).

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 Less than High School Diploma in 2021
Marion County
Elkhart County
Lake County
Allen County
St. Joseph County
LaGrange County
Vanderburgh County
Madison County
Johnson County
Vigo County
Ranking of Indiana Counties By Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Number of People
1 Marion County 32375
2 Elkhart County 15532
3 Lake County 11869
4 Allen County 11279
5 St. Joseph County 9499
6 LaGrange County 8990
7 Vanderburgh County 8567
8 Madison County 7292
9 Johnson County 5937
10 Vigo County 5729
11 Delaware County 5574
12 Clark County 5462
13 Morgan County 5440
14 LaPorte County 5372
15 Porter County 5215
16 Kosciusko County 5118
17 Wayne County 4853
18 Tippecanoe County 4559
19 Grant County 4291
20 Daviess County 4269
21 Floyd County 4039
22 Hendricks County 3971
23 Monroe County 3921
24 Howard County 3907
25 Noble County 3836
26 Hamilton County 3668
27 Bartholomew County 3566
28 Hancock County 3474
29 Lawrence County 3442
30 Marshall County 3395
31 Dearborn County 3084
32 Scott County 3052
33 Shelby County 2960
34 Henry County 2813
35 Miami County 2710
36 Adams County 2704
37 Jackson County 2583
38 Harrison County 2566
39 Knox County 2551
40 Washington County 2544
41 DeKalb County 2500
42 Greene County 2440
43 Putnam County 2418
44 Cass County 2401
45 Jefferson County 2251
46 Fayette County 2197
47 Starke County 2140
48 Warrick County 2126
49 Orange County 2032
50 Montgomery County 2027
51 Owen County 2025
52 Wabash County 2016
53 Dubois County 1965
54 Boone County 1959
55 Jennings County 1849
56 Ripley County 1845
57 Whitley County 1804
58 Franklin County 1719
59 Randolph County 1699
60 Steuben County 1660
61 Sullivan County 1652
62 Parke County 1624
63 Gibson County 1603
64 Clay County 1525
65 Huntington County 1508
66 Jay County 1490
67 Clinton County 1467
68 Jasper County 1451
69 Decatur County 1416
70 Fulton County 1397
71 Fountain County 1329
72 Carroll County 1272
73 White County 1267
74 Posey County 1208
75 Crawford County 1178
75 Wells County 1178
76 Perry County 1149
77 Rush County 1119
78 Spencer County 1034
79 Pulaski County 1033
80 Pike County 968
81 Tipton County 941
82 Newton County 916
83 Switzerland County 886
84 Vermillion County 873
85 Martin County 851
86 Brown County 744
87 Blackford County 725
88 Union County 569
89 Benton County 543
90 Ohio County 448
91 Warren County 344