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