Ranking of Indiana Counties By 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 White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 340,840. Among all Indiana counties, Marion County had the highest White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (40,804), followed by Elkhart County (19,275), and Lake County (15,626).

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 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
Clark County
Johnson County
Ranking of Indiana Counties By 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 40804
2 Elkhart County 19275
3 Lake County 15626
4 Allen County 13163
5 St. Joseph County 10884
6 LaGrange County 9169
7 Vanderburgh County 8981
8 Madison County 7706
9 Clark County 6631
10 Johnson County 6321
11 Porter County 5948
12 LaPorte County 5944
13 Vigo County 5890
14 Kosciusko County 5817
15 Delaware County 5610
16 Tippecanoe County 5508
17 Morgan County 5493
18 Wayne County 4932
19 Noble County 4820
20 Daviess County 4596
21 Grant County 4439
22 Hendricks County 4330
23 Hamilton County 4280
24 Floyd County 4178
25 Monroe County 4156
26 Marshall County 4096
27 Howard County 4021
28 Bartholomew County 3928
29 Hancock County 3501
30 Lawrence County 3445
31 Dearborn County 3121
32 Shelby County 3078
33 Scott County 3052
34 Henry County 2837
35 Miami County 2813
36 Adams County 2730
37 Jackson County 2658
38 Knox County 2616
39 Cass County 2595
40 Washington County 2577
41 DeKalb County 2569
42 Harrison County 2568
43 Putnam County 2483
44 Greene County 2446
45 Jefferson County 2295
46 Fayette County 2218
47 Dubois County 2210
48 Warrick County 2192
49 Starke County 2178
50 Montgomery County 2164
51 Clinton County 2124
52 Boone County 2070
53 Owen County 2041
54 Wabash County 2040
55 Orange County 2038
56 Ripley County 1883
57 Jennings County 1874
58 Whitley County 1808
59 Franklin County 1728
60 Randolph County 1724
61 Steuben County 1670
62 Sullivan County 1662
63 Parke County 1624
64 Gibson County 1619
65 Clay County 1558
66 Huntington County 1539
67 Jasper County 1531
68 Jay County 1503
69 Fulton County 1486
70 Decatur County 1416
71 Fountain County 1365
72 White County 1340
73 Carroll County 1331
74 Posey County 1208
75 Wells County 1182
76 Crawford County 1178
77 Perry County 1154
78 Rush County 1148
79 Spencer County 1067
80 Pulaski County 1036
81 Tipton County 998
82 Pike County 968
83 Newton County 944
84 Switzerland County 886
85 Vermillion County 877
86 Martin County 857
87 Brown County 750
88 Blackford County 746
89 Benton County 601
90 Union County 569
91 Ohio County 448
92 Warren County 357