Ranking of Kentucky Counties By Population in 2019
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2019, the Population for Kentucky was 4.47M. Among all Kentucky counties, Jefferson County had the highest population (767.79K), followed by Fayette County (323.92K), and Kenton County (167.33K).
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), 2019 Census.
See this for other years:
Ranking of Kentucky Counties By Population in 2019
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| Rank | County | Population |
|---|---|---|
| 1 | Jefferson County | 767785 |
| 2 | Fayette County | 323922 |
| 3 | Kenton County | 167333 |
| 4 | Boone County | 133670 |
| 5 | Warren County | 132759 |
| 6 | Hardin County | 110970 |
| 7 | Daviess County | 101555 |
| 8 | Campbell County | 93841 |
| 9 | Madison County | 93099 |
| 10 | Bullitt County | 81803 |
| 11 | Christian County | 71577 |
| 12 | Oldham County | 66818 |
| 13 | McCracken County | 65622 |
| 14 | Pulaski County | 65243 |
| 15 | Laurel County | 60842 |
| 16 | Pike County | 57919 |
| 17 | Scott County | 57079 |
| 18 | Jessamine County | 54012 |
| 19 | Franklin County | 50887 |
| 20 | Shelby County | 49022 |
| 21 | Boyd County | 46839 |
| 22 | Nelson County | 46221 |
| 23 | Henderson County | 45276 |
| 24 | Hopkins County | 44660 |
| 25 | Barren County | 44185 |
| 26 | Calloway County | 39073 |
| 27 | Graves County | 37170 |
| 28 | Whitley County | 36362 |
| 29 | Clark County | 36280 |
| 30 | Floyd County | 35515 |
| 31 | Greenup County | 35164 |
| 32 | Knox County | 31151 |
| 33 | Marshall County | 31113 |
| 34 | Muhlenberg County | 30681 |
| 35 | Boyle County | 30000 |
| 36 | Meade County | 28610 |
| 37 | Montgomery County | 28197 |
| 38 | Logan County | 27111 |
| 39 | Carter County | 26766 |
| 40 | Woodford County | 26654 |
| 41 | Grayson County | 26435 |
| 42 | Bell County | 26026 |
| 43 | Harlan County | 25960 |
| 44 | Perry County | 25801 |
| 45 | Taylor County | 25735 |
| 46 | Grant County | 25120 |
| 47 | Lincoln County | 24519 |
| 47 | Rowan County | 24519 |
| 48 | Ohio County | 24043 |
| 49 | Anderson County | 22700 |
| 50 | Johnson County | 22188 |
| 51 | Mercer County | 21921 |
| 52 | Letcher County | 21560 |
| 53 | Allen County | 21320 |
| 54 | Breckinridge County | 20471 |
| 55 | Wayne County | 20278 |
| 56 | Clay County | 19912 |
| 57 | Bourbon County | 19774 |
| 58 | Adair County | 19472 |
| 59 | Spencer County | 19302 |
| 60 | Marion County | 19237 |
| 61 | Hart County | 19014 |
| 62 | Harrison County | 18838 |
| 63 | Simpson County | 18530 |
| 64 | Russell County | 17944 |
| 65 | Garrard County | 17684 |
| 66 | McCreary County | 17260 |
| 67 | Mason County | 17049 |
| 68 | Rockcastle County | 16736 |
| 69 | Casey County | 16204 |
| 70 | Henry County | 16063 |
| 71 | Lawrence County | 15395 |
| 72 | Knott County | 14861 |
| 73 | Trigg County | 14666 |
| 74 | Fleming County | 14574 |
| 75 | Pendleton County | 14566 |
| 76 | Union County | 14497 |
| 77 | Larue County | 14393 |
| 78 | Estill County | 14143 |
| 79 | Jackson County | 13316 |
| 80 | Lewis County | 13309 |
| 81 | Morgan County | 13297 |
| 82 | Webster County | 12945 |
| 83 | Butler County | 12861 |
| 84 | Caldwell County | 12731 |
| 85 | Breathitt County | 12612 |
| 86 | Bath County | 12532 |
| 87 | Todd County | 12318 |
| 88 | Powell County | 12303 |
| 89 | Magoffin County | 12184 |
| 90 | Edmonson County | 12149 |
| 91 | Washington County | 12098 |
| 92 | Martin County | 11258 |
| 93 | Green County | 10949 |
| 94 | Owen County | 10884 |
| 95 | Carroll County | 10658 |
| 96 | Monroe County | 10654 |
| 97 | Clinton County | 10200 |
| 98 | Metcalfe County | 10084 |
| 99 | Leslie County | 9880 |
| 100 | McLean County | 9162 |
| 101 | Livingston County | 9148 |
| 102 | Gallatin County | 8842 |
| 103 | Crittenden County | 8807 |
| 104 | Hancock County | 8716 |
| 105 | Trimble County | 8529 |
| 106 | Bracken County | 8330 |
| 107 | Lyon County | 8256 |
| 108 | Ballard County | 7817 |
| 109 | Elliott County | 7485 |
| 110 | Lee County | 7390 |
| 111 | Nicholas County | 7248 |
| 112 | Wolfe County | 7151 |
| 113 | Cumberland County | 6626 |
| 114 | Menifee County | 6483 |
| 115 | Fulton County | 5989 |
| 116 | Carlisle County | 4721 |
| 117 | Owsley County | 4413 |
| 118 | Hickman County | 4365 |
| 119 | Robertson County | 2149 |