Ranking of Kentucky 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 1.43M people in Kentucky with Unclassified ancestry (31.80% of Kentucky population). Among all Kentucky counties, Knox County had the highest percentage of its population with Unclassified ancestry (61.74%), followed by McCreary County (58.24%), and Bell County (54.60%).
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 Kentucky.
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Related Topics: Kentucky ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Kentucky Counties By Percentage of Population with Unclassified Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Knox County | 61.74 |
| 2 | McCreary County | 58.24 |
| 3 | Bell County | 54.60 |
| 4 | Leslie County | 53.02 |
| 5 | Harlan County | 51.95 |
| 6 | Knott County | 51.90 |
| 7 | Perry County | 51.12 |
| 8 | Gallatin County | 49.53 |
| 9 | Estill County | 48.75 |
| 10 | Marion County | 48.45 |
| 11 | Powell County | 48.44 |
| 12 | Laurel County | 47.56 |
| 13 | Letcher County | 47.51 |
| 14 | Whitley County | 46.98 |
| 15 | Green County | 46.89 |
| 16 | Muhlenberg County | 46.83 |
| 17 | Taylor County | 46.29 |
| 18 | Metcalfe County | 45.87 |
| 19 | Logan County | 45.38 |
| 20 | Wolfe County | 44.45 |
| 21 | Adair County | 43.84 |
| 22 | Spencer County | 43.70 |
| 23 | Grayson County | 41.87 |
| 24 | Robertson County | 41.80 |
| 25 | Floyd County | 41.36 |
| 26 | Todd County | 41.07 |
| 27 | Carroll County | 41.06 |
| 28 | Barren County | 40.86 |
| 29 | Pike County | 40.44 |
| 30 | Russell County | 40.17 |
| 31 | Casey County | 39.96 |
| 32 | Simpson County | 39.95 |
| 33 | Clinton County | 39.89 |
| 34 | Pendleton County | 39.88 |
| 35 | Pulaski County | 39.73 |
| 36 | Washington County | 39.45 |
| 37 | Hart County | 39.39 |
| 38 | Rockcastle County | 39.30 |
| 39 | Daviess County | 39.18 |
| 40 | Christian County | 39.16 |
| 41 | Allen County | 39.14 |
| 42 | Larue County | 38.82 |
| 43 | Grant County | 38.51 |
| 44 | Clark County | 38.46 |
| 45 | Monroe County | 37.89 |
| 46 | Wayne County | 37.78 |
| 47 | Bullitt County | 37.66 |
| 48 | Nelson County | 37.62 |
| 49 | Owen County | 37.27 |
| 50 | Trigg County | 37.26 |
| 51 | Hancock County | 37.17 |
| 52 | Hopkins County | 36.56 |
| 53 | Johnson County | 36.30 |
| 54 | Cumberland County | 36.24 |
| 55 | Harrison County | 36.12 |
| 56 | Edmonson County | 35.96 |
| 57 | Henderson County | 35.77 |
| 58 | Lawrence County | 35.05 |
| 59 | Breckinridge County | 35.03 |
| 59 | Martin County | 35.03 |
| 60 | Madison County | 34.83 |
| 61 | Mercer County | 34.73 |
| 62 | Ohio County | 34.01 |
| 63 | Carlisle County | 33.23 |
| 64 | Butler County | 33.12 |
| 65 | Greenup County | 33.09 |
| 66 | Marshall County | 32.87 |
| 67 | Meade County | 32.74 |
| 68 | Bourbon County | 32.17 |
| 69 | Henry County | 32.12 |
| 70 | Jackson County | 32.02 |
| 71 | Magoffin County | 31.98 |
| 72 | Graves County | 31.81 |
| 73 | Webster County | 31.52 |
| 74 | Calloway County | 31.51 |
| 75 | Hardin County | 31.50 |
| 76 | Boyd County | 31.39 |
| 77 | Crittenden County | 31.07 |
| 78 | Caldwell County | 30.69 |
| 79 | Bracken County | 30.24 |
| 80 | McLean County | 29.79 |
| 81 | Warren County | 29.42 |
| 82 | Boyle County | 29.33 |
| 83 | Trimble County | 29.21 |
| 84 | Montgomery County | 29.08 |
| 85 | Nicholas County | 29.07 |
| 86 | Union County | 29.04 |
| 87 | Ballard County | 28.99 |
| 88 | Livingston County | 28.90 |
| 89 | Clay County | 28.81 |
| 90 | Anderson County | 28.46 |
| 91 | Rowan County | 28.25 |
| 92 | Lewis County | 27.99 |
| 93 | Carter County | 27.95 |
| 94 | Hickman County | 26.78 |
| 95 | Lyon County | 26.66 |
| 96 | Jessamine County | 26.28 |
| 97 | Boone County | 26.25 |
| 98 | Woodford County | 26.15 |
| 99 | Morgan County | 26.12 |
| 100 | Menifee County | 25.96 |
| 101 | Fleming County | 25.83 |
| 102 | Bath County | 25.64 |
| 103 | Lee County | 25.61 |
| 104 | Jefferson County | 25.51 |
| 105 | Garrard County | 25.22 |
| 106 | Oldham County | 24.73 |
| 107 | Scott County | 24.50 |
| 107 | Shelby County | 24.50 |
| 108 | McCracken County | 24.46 |
| 109 | Kenton County | 23.80 |
| 110 | Campbell County | 22.99 |
| 111 | Breathitt County | 22.98 |
| 112 | Elliott County | 22.15 |
| 113 | Fayette County | 22.06 |
| 114 | Lincoln County | 22.00 |
| 115 | Mason County | 21.84 |
| 116 | Fulton County | 19.36 |
| 117 | Franklin County | 19.26 |
| 118 | Owsley County | 15.66 |