Ranking of Kentucky Counties By Population in 2023
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2023, the Population for Kentucky was 4.55M. Among all Kentucky counties, Jefferson County had the highest population (783.38K), followed by Fayette County (324.62K), and Kenton County (172.25K).
The chart below shows the top 10 counties, and the table below shows the ranking of all Kentucky counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: Kentucky Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2023 Census.
See this for other years:
Ranking of Kentucky Counties By Population in 2023
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| Rank | County | Population |
|---|---|---|
| 1 | Jefferson County | 783381 |
| 2 | Fayette County | 324624 |
| 3 | Kenton County | 172248 |
| 4 | Warren County | 143929 |
| 5 | Boone County | 141511 |
| 6 | Hardin County | 112396 |
| 7 | Daviess County | 103927 |
| 8 | Madison County | 97599 |
| 9 | Campbell County | 93859 |
| 10 | Bullitt County | 85000 |
| 11 | Christian County | 71235 |
| 12 | Oldham County | 70308 |
| 13 | McCracken County | 67456 |
| 14 | Pulaski County | 66219 |
| 15 | Laurel County | 63352 |
| 16 | Scott County | 60600 |
| 17 | Pike County | 55998 |
| 18 | Jessamine County | 55511 |
| 19 | Franklin County | 51826 |
| 20 | Shelby County | 49617 |
| 21 | Nelson County | 47981 |
| 22 | Boyd County | 47771 |
| 23 | Barren County | 45132 |
| 24 | Hopkins County | 44985 |
| 25 | Henderson County | 44127 |
| 26 | Calloway County | 38520 |
| 27 | Clark County | 37337 |
| 28 | Whitley County | 36917 |
| 29 | Graves County | 36600 |
| 30 | Greenup County | 35299 |
| 31 | Floyd County | 34971 |
| 32 | Marshall County | 31717 |
| 33 | Boyle County | 31096 |
| 34 | Muhlenberg County | 30527 |
| 35 | Meade County | 30166 |
| 36 | Knox County | 29723 |
| 37 | Montgomery County | 28531 |
| 38 | Logan County | 28285 |
| 39 | Woodford County | 27522 |
| 40 | Perry County | 27082 |
| 41 | Grayson County | 26806 |
| 42 | Taylor County | 26582 |
| 43 | Carter County | 26255 |
| 44 | Grant County | 25596 |
| 45 | Harlan County | 25302 |
| 46 | Lincoln County | 24738 |
| 47 | Anderson County | 24618 |
| 48 | Rowan County | 24503 |
| 49 | Ohio County | 23719 |
| 50 | Bell County | 23208 |
| 51 | Mercer County | 23189 |
| 52 | Johnson County | 22139 |
| 53 | Allen County | 21779 |
| 54 | Breckinridge County | 21117 |
| 55 | Spencer County | 20557 |
| 56 | Letcher County | 20414 |
| 57 | Simpson County | 20223 |
| 58 | Bourbon County | 20220 |
| 59 | Marion County | 19840 |
| 60 | Hart County | 19726 |
| 61 | Clay County | 19658 |
| 62 | Wayne County | 19630 |
| 63 | Harrison County | 19409 |
| 64 | Adair County | 19306 |
| 65 | Russell County | 18308 |
| 66 | Garrard County | 17888 |
| 67 | McCreary County | 17069 |
| 68 | Mason County | 16857 |
| 69 | Rockcastle County | 16171 |
| 70 | Lawrence County | 15974 |
| 71 | Henry County | 15951 |
| 72 | Casey County | 15887 |
| 73 | Fleming County | 15405 |
| 74 | Larue County | 15328 |
| 75 | Pendleton County | 14804 |
| 76 | Morgan County | 14385 |
| 77 | Trigg County | 14370 |
| 78 | Estill County | 13937 |
| 79 | Knott County | 13660 |
| 80 | Jackson County | 13138 |
| 81 | Union County | 13116 |
| 82 | Powell County | 13003 |
| 83 | Bath County | 12972 |
| 84 | Breathitt County | 12962 |
| 85 | Lewis County | 12956 |
| 86 | Webster County | 12753 |
| 87 | Todd County | 12576 |
| 88 | Caldwell County | 12561 |
| 89 | Edmonson County | 12466 |
| 90 | Butler County | 12430 |
| 91 | Washington County | 12257 |
| 92 | Green County | 11454 |
| 93 | Owen County | 11309 |
| 94 | Monroe County | 11271 |
| 95 | Magoffin County | 11202 |
| 96 | Carroll County | 10986 |
| 97 | Martin County | 10927 |
| 98 | Metcalfe County | 10495 |
| 99 | Leslie County | 9865 |
| 100 | Lyon County | 9190 |
| 101 | Clinton County | 9178 |
| 102 | McLean County | 9076 |
| 103 | Crittenden County | 8996 |
| 104 | Hancock County | 8936 |
| 105 | Livingston County | 8889 |
| 106 | Gallatin County | 8823 |
| 107 | Trimble County | 8616 |
| 108 | Bracken County | 8435 |
| 109 | Nicholas County | 7674 |
| 110 | Ballard County | 7608 |
| 111 | Lee County | 7301 |
| 112 | Elliott County | 7271 |
| 113 | Fulton County | 6378 |
| 114 | Wolfe County | 6370 |
| 115 | Menifee County | 6279 |
| 116 | Cumberland County | 5980 |
| 117 | Carlisle County | 4742 |
| 118 | Hickman County | 4423 |
| 119 | Owsley County | 3984 |
| 120 | Robertson County | 2334 |