Ranking of Indiana Counties By Percentage of 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 (0.76% of Indiana population). Among all Indiana counties, Jay County had the highest percentage of its population with Scotch Irish ancestry (1.94%), followed by Randolph County (1.82%), and Boone County (1.46%).
The chart and table below shows the top 10 counties with high percentage of its population having 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 Percentage of Population with Scotch Irish Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Jay County | 1.94 |
| 2 | Randolph County | 1.82 |
| 3 | Boone County | 1.46 |
| 4 | Jefferson County | 1.45 |
| 5 | Montgomery County | 1.31 |
| 6 | Lawrence County | 1.30 |
| 7 | Jennings County | 1.29 |
| 8 | Monroe County | 1.27 |
| 9 | Shelby County | 1.25 |
| 10 | Rush County | 1.24 |
| 11 | Pike County | 1.23 |
| 12 | Kosciusko County | 1.20 |
| 13 | Gibson County | 1.18 |
| 13 | Switzerland County | 1.18 |
| 14 | Bartholomew County | 1.17 |
| 15 | Crawford County | 1.15 |
| 16 | Clark County | 1.12 |
| 17 | Sullivan County | 1.06 |
| 18 | Fountain County | 1.05 |
| 19 | Warren County | 1.03 |
| 20 | Dearborn County | 1.00 |
| 21 | Floyd County | 0.97 |
| 22 | Henry County | 0.96 |
| 23 | Hamilton County | 0.93 |
| 24 | Scott County | 0.91 |
| 24 | Tipton County | 0.91 |
| 25 | Jasper County | 0.89 |
| 25 | Knox County | 0.89 |
| 26 | Madison County | 0.88 |
| 27 | Grant County | 0.86 |
| 27 | Porter County | 0.86 |
| 27 | Vanderburgh County | 0.86 |
| 28 | Wabash County | 0.85 |
| 29 | Jackson County | 0.84 |
| 30 | Vigo County | 0.82 |
| 31 | Daviess County | 0.81 |
| 31 | Noble County | 0.81 |
| 32 | Hancock County | 0.80 |
| 32 | Marshall County | 0.80 |
| 32 | Posey County | 0.80 |
| 32 | Vermillion County | 0.80 |
| 33 | Orange County | 0.79 |
| 34 | Johnson County | 0.78 |
| 34 | Morgan County | 0.78 |
| 35 | Ohio County | 0.76 |
| 36 | Huntington County | 0.75 |
| 36 | LaPorte County | 0.75 |
| 36 | Wayne County | 0.75 |
| 37 | Pulaski County | 0.74 |
| 38 | St. Joseph County | 0.72 |
| 39 | Clinton County | 0.70 |
| 39 | Hendricks County | 0.70 |
| 40 | Decatur County | 0.69 |
| 40 | LaGrange County | 0.69 |
| 40 | Ripley County | 0.69 |
| 41 | Whitley County | 0.68 |
| 42 | Marion County | 0.67 |
| 42 | Putnam County | 0.67 |
| 43 | Howard County | 0.64 |
| 44 | Delaware County | 0.63 |
| 45 | Fayette County | 0.62 |
| 45 | Harrison County | 0.62 |
| 45 | Miami County | 0.62 |
| 46 | Tippecanoe County | 0.61 |
| 47 | Greene County | 0.60 |
| 48 | Union County | 0.59 |
| 49 | Allen County | 0.58 |
| 49 | Clay County | 0.58 |
| 49 | Spencer County | 0.58 |
| 50 | Wells County | 0.55 |
| 51 | Adams County | 0.54 |
| 52 | Blackford County | 0.53 |
| 52 | Steuben County | 0.53 |
| 53 | DeKalb County | 0.51 |
| 53 | Martin County | 0.51 |
| 54 | Lake County | 0.49 |
| 55 | Starke County | 0.48 |
| 56 | Carroll County | 0.47 |
| 56 | Fulton County | 0.47 |
| 56 | Washington County | 0.47 |
| 57 | Cass County | 0.46 |
| 57 | Owen County | 0.46 |
| 58 | Benton County | 0.45 |
| 58 | Warrick County | 0.45 |
| 59 | Brown County | 0.41 |
| 59 | Franklin County | 0.41 |
| 60 | White County | 0.39 |
| 61 | Parke County | 0.38 |
| 62 | Elkhart County | 0.37 |
| 63 | Newton County | 0.32 |
| 64 | Dubois County | 0.28 |
| 65 | Perry County | 0.20 |