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.
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Related Topics: Indiana ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
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 |