Ranking of Indiana Counties By Population with Scotch Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 51.02K people in Indiana with Scotch Irish ancestry. Among all Indiana counties, Marion County had the highest population with Scotch Irish ancestry (6.46K), followed by Hamilton County (3.19K), and Lake County (2.43K).
The chart and table below shows the top 10 counties with high number of people with Scotch Irish 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 Scotch Irish Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Marion County | 6462 |
| 2 | Hamilton County | 3191 |
| 3 | Lake County | 2430 |
| 4 | Allen County | 2219 |
| 5 | St. Joseph County | 1948 |
| 6 | Monroe County | 1781 |
| 7 | Vanderburgh County | 1548 |
| 8 | Porter County | 1489 |
| 9 | Clark County | 1345 |
| 10 | Johnson County | 1253 |
| 11 | Hendricks County | 1204 |
| 12 | Madison County | 1143 |
| 13 | Tippecanoe County | 1127 |
| 14 | Boone County | 1020 |
| 15 | Bartholomew County | 960 |
| 16 | Kosciusko County | 958 |
| 17 | Vigo County | 878 |
| 18 | LaPorte County | 840 |
| 19 | Floyd County | 772 |
| 20 | Elkhart County | 758 |
| 21 | Delaware County | 707 |
| 22 | Hancock County | 632 |
| 23 | Lawrence County | 585 |
| 24 | Grant County | 576 |
| 25 | Shelby County | 558 |
| 26 | Morgan County | 555 |
| 27 | Howard County | 537 |
| 28 | Dearborn County | 504 |
| 29 | Wayne County | 498 |
| 30 | Montgomery County | 496 |
| 31 | Jefferson County | 478 |
| 32 | Henry County | 467 |
| 33 | Randolph County | 450 |
| 34 | Jay County | 399 |
| 35 | Gibson County | 388 |
| 36 | Jackson County | 387 |
| 37 | Noble County | 382 |
| 38 | Marshall County | 369 |
| 39 | Jennings County | 355 |
| 40 | Knox County | 322 |
| 41 | Jasper County | 292 |
| 42 | Warrick County | 285 |
| 43 | LaGrange County | 278 |
| 44 | Huntington County | 275 |
| 45 | Daviess County | 270 |
| 46 | Wabash County | 265 |
| 47 | Putnam County | 248 |
| 48 | Harrison County | 244 |
| 49 | Whitley County | 233 |
| 50 | Clinton County | 231 |
| 51 | Miami County | 222 |
| 52 | Sullivan County | 221 |
| 53 | Scott County | 220 |
| 54 | DeKalb County | 218 |
| 55 | Rush County | 207 |
| 56 | Posey County | 203 |
| 57 | Ripley County | 201 |
| 58 | Adams County | 191 |
| 59 | Greene County | 186 |
| 60 | Decatur County | 183 |
| 60 | Steuben County | 183 |
| 61 | Cass County | 175 |
| 62 | Fountain County | 173 |
| 63 | Orange County | 156 |
| 64 | Wells County | 154 |
| 65 | Clay County | 153 |
| 66 | Pike County | 150 |
| 67 | Fayette County | 146 |
| 68 | Tipton County | 139 |
| 69 | Washington County | 132 |
| 70 | Vermillion County | 124 |
| 71 | Dubois County | 122 |
| 72 | Crawford County | 121 |
| 73 | Spencer County | 116 |
| 73 | Switzerland County | 116 |
| 74 | Starke County | 111 |
| 75 | Owen County | 97 |
| 76 | Carroll County | 96 |
| 77 | Fulton County | 95 |
| 77 | White County | 95 |
| 78 | Franklin County | 93 |
| 78 | Pulaski County | 93 |
| 79 | Warren County | 87 |
| 80 | Blackford County | 64 |
| 81 | Brown County | 63 |
| 82 | Parke County | 62 |
| 83 | Martin County | 50 |
| 84 | Ohio County | 45 |
| 85 | Newton County | 44 |
| 86 | Union County | 42 |
| 87 | Benton County | 39 |
| 87 | Perry County | 39 |