Ranking of Indiana Counties By Population with American Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 494.35K people in Indiana with American ancestry. Among all Indiana counties, Marion County had the highest population with American ancestry (48.81K), followed by Hendricks County (25.87K), and Allen County (23.66K).
The chart and table below shows the top 10 counties with high number of people with American 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 Population with American Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Marion County | 48812 |
| 2 | Hendricks County | 25871 |
| 3 | Allen County | 23663 |
| 4 | Hamilton County | 22590 |
| 5 | Johnson County | 20392 |
| 6 | Elkhart County | 14002 |
| 7 | Madison County | 13221 |
| 8 | St. Joseph County | 11190 |
| 9 | Lake County | 11137 |
| 10 | Vanderburgh County | 11120 |
| 11 | Delaware County | 10890 |
| 12 | Boone County | 10656 |
| 13 | Tippecanoe County | 9099 |
| 14 | Howard County | 8816 |
| 15 | Clark County | 8780 |
| 16 | Morgan County | 8399 |
| 17 | Vigo County | 7814 |
| 18 | Monroe County | 7777 |
| 19 | Hancock County | 7309 |
| 20 | Bartholomew County | 7232 |
| 21 | Grant County | 6970 |
| 22 | Shelby County | 6399 |
| 23 | Porter County | 6393 |
| 24 | Kosciusko County | 6377 |
| 25 | Floyd County | 6197 |
| 26 | Henry County | 5886 |
| 27 | Jackson County | 5829 |
| 28 | Wayne County | 5732 |
| 29 | Dearborn County | 5268 |
| 30 | Lawrence County | 4765 |
| 31 | LaPorte County | 4590 |
| 32 | LaGrange County | 4246 |
| 33 | Warrick County | 4147 |
| 34 | Harrison County | 3999 |
| 35 | Jennings County | 3848 |
| 36 | Marshall County | 3760 |
| 37 | Washington County | 3757 |
| 38 | DeKalb County | 3742 |
| 39 | Montgomery County | 3699 |
| 40 | Putnam County | 3671 |
| 41 | Noble County | 3579 |
| 42 | Jefferson County | 3413 |
| 43 | Huntington County | 3277 |
| 44 | Steuben County | 3203 |
| 45 | Clinton County | 3199 |
| 46 | Adams County | 3151 |
| 47 | Wabash County | 3120 |
| 48 | Gibson County | 3079 |
| 49 | Fayette County | 3066 |
| 50 | Knox County | 2973 |
| 51 | Whitley County | 2932 |
| 52 | Ripley County | 2900 |
| 53 | Dubois County | 2897 |
| 54 | Cass County | 2871 |
| 55 | Decatur County | 2856 |
| 56 | Greene County | 2774 |
| 57 | Randolph County | 2734 |
| 58 | Daviess County | 2717 |
| 59 | Miami County | 2544 |
| 60 | Clay County | 2387 |
| 61 | Owen County | 2309 |
| 62 | Wells County | 2251 |
| 63 | Franklin County | 2141 |
| 64 | Orange County | 2133 |
| 65 | Carroll County | 2120 |
| 66 | Scott County | 2065 |
| 67 | Sullivan County | 1940 |
| 68 | Brown County | 1891 |
| 69 | Fountain County | 1829 |
| 70 | Parke County | 1812 |
| 71 | Rush County | 1730 |
| 72 | Perry County | 1705 |
| 73 | White County | 1603 |
| 74 | Posey County | 1593 |
| 75 | Tipton County | 1563 |
| 76 | Spencer County | 1560 |
| 77 | Jasper County | 1555 |
| 78 | Jay County | 1444 |
| 79 | Starke County | 1432 |
| 80 | Fulton County | 1381 |
| 81 | Vermillion County | 1301 |
| 82 | Pike County | 1163 |
| 83 | Blackford County | 1117 |
| 84 | Switzerland County | 1086 |
| 85 | Warren County | 973 |
| 86 | Newton County | 875 |
| 87 | Crawford County | 849 |
| 88 | Martin County | 785 |
| 89 | Union County | 722 |
| 90 | Benton County | 659 |
| 91 | Pulaski County | 574 |
| 92 | Ohio County | 474 |