Ranking of Kentucky Counties By 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. Among all Kentucky counties, Jefferson County had the highest population with Unclassified ancestry (199.06K), followed by Fayette County (70.91K), and Daviess County (40.15K).
The chart and table below shows the top 10 counties with high number of people with 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 Population with Unclassified Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Jefferson County | 199061 |
| 2 | Fayette County | 70905 |
| 3 | Daviess County | 40153 |
| 4 | Kenton County | 40048 |
| 5 | Warren County | 39185 |
| 6 | Boone County | 35327 |
| 7 | Hardin County | 34697 |
| 8 | Madison County | 32111 |
| 9 | Bullitt County | 30775 |
| 10 | Laurel County | 29528 |
| 11 | Christian County | 28343 |
| 12 | Pulaski County | 25714 |
| 13 | Pike County | 23827 |
| 14 | Campbell County | 21384 |
| 15 | Knox County | 18748 |
| 16 | Barren County | 18092 |
| 17 | Nelson County | 17472 |
| 18 | Whitley County | 17184 |
| 19 | Oldham County | 16712 |
| 20 | Hopkins County | 16609 |
| 21 | McCracken County | 16483 |
| 22 | Henderson County | 16134 |
| 23 | Boyd County | 15206 |
| 24 | Floyd County | 14943 |
| 25 | Perry County | 14528 |
| 26 | Muhlenberg County | 14522 |
| 27 | Clark County | 14119 |
| 28 | Harlan County | 13984 |
| 29 | Jessamine County | 13934 |
| 30 | Scott County | 13785 |
| 31 | Bell County | 13471 |
| 32 | Logan County | 12398 |
| 33 | Taylor County | 12010 |
| 34 | Greenup County | 11911 |
| 35 | Calloway County | 11751 |
| 36 | Graves County | 11703 |
| 37 | Shelby County | 11641 |
| 38 | Grayson County | 11034 |
| 39 | Marshall County | 10408 |
| 40 | Letcher County | 10350 |
| 41 | McCreary County | 9926 |
| 42 | Franklin County | 9883 |
| 43 | Meade County | 9734 |
| 44 | Grant County | 9595 |
| 45 | Marion County | 9474 |
| 46 | Boyle County | 8936 |
| 47 | Spencer County | 8414 |
| 48 | Johnson County | 8273 |
| 49 | Adair County | 8256 |
| 50 | Montgomery County | 8168 |
| 51 | Ohio County | 8116 |
| 52 | Allen County | 8065 |
| 53 | Mercer County | 7803 |
| 54 | Simpson County | 7719 |
| 55 | Hart County | 7560 |
| 56 | Knott County | 7529 |
| 57 | Carter County | 7495 |
| 58 | Wayne County | 7459 |
| 59 | Russell County | 7195 |
| 60 | Breckinridge County | 7127 |
| 61 | Woodford County | 6996 |
| 62 | Rowan County | 6965 |
| 63 | Estill County | 6902 |
| 64 | Harrison County | 6750 |
| 65 | Anderson County | 6729 |
| 66 | Bourbon County | 6525 |
| 67 | Rockcastle County | 6354 |
| 68 | Casey County | 6339 |
| 69 | Powell County | 6322 |
| 70 | Clay County | 5902 |
| 71 | Pendleton County | 5832 |
| 72 | Larue County | 5733 |
| 73 | Lawrence County | 5704 |
| 74 | Leslie County | 5632 |
| 75 | Lincoln County | 5349 |
| 76 | Trigg County | 5241 |
| 77 | Green County | 5224 |
| 78 | Henry County | 5040 |
| 79 | Todd County | 5013 |
| 80 | Washington County | 4717 |
| 81 | Metcalfe County | 4713 |
| 82 | Carroll County | 4438 |
| 83 | Edmonson County | 4374 |
| 84 | Gallatin County | 4306 |
| 85 | Garrard County | 4292 |
| 86 | Monroe County | 4270 |
| 87 | Jackson County | 4172 |
| 88 | Owen County | 4159 |
| 89 | Butler County | 4111 |
| 90 | Webster County | 4095 |
| 91 | Union County | 4003 |
| 92 | Martin County | 3991 |
| 93 | Caldwell County | 3880 |
| 94 | Fleming County | 3873 |
| 95 | Magoffin County | 3779 |
| 96 | Clinton County | 3738 |
| 97 | Mason County | 3736 |
| 98 | Lewis County | 3667 |
| 99 | Morgan County | 3597 |
| 100 | Hancock County | 3364 |
| 101 | Bath County | 3251 |
| 102 | Breathitt County | 3137 |
| 103 | Wolfe County | 2963 |
| 104 | Crittenden County | 2795 |
| 105 | McLean County | 2735 |
| 106 | Livingston County | 2598 |
| 107 | Bracken County | 2538 |
| 108 | Trimble County | 2483 |
| 109 | Lyon County | 2319 |
| 110 | Ballard County | 2265 |
| 111 | Nicholas County | 2185 |
| 112 | Cumberland County | 2183 |
| 113 | Lee County | 1860 |
| 114 | Elliott County | 1642 |
| 115 | Carlisle County | 1602 |
| 116 | Menifee County | 1596 |
| 117 | Fulton County | 1260 |
| 118 | Hickman County | 1213 |
| 119 | Robertson County | 918 |
| 120 | Owsley County | 641 |
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