Ranking of Kentucky Counties By Population in 2017
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2017, the Population for Kentucky was 4.46M. Among all Kentucky counties, Jefferson County had the highest population (770.38K), followed by Fayette County (321.55K), and Kenton County (165.84K).
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), 2017 Census.
See this for other years:
Ranking of Kentucky Counties By Population in 2017
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| Rank | County | Population |
|---|---|---|
| 1 | Jefferson County | 770383 |
| 2 | Fayette County | 321554 |
| 3 | Kenton County | 165835 |
| 4 | Boone County | 131151 |
| 5 | Warren County | 129232 |
| 6 | Hardin County | 108314 |
| 7 | Daviess County | 100508 |
| 8 | Campbell County | 93366 |
| 9 | Madison County | 91259 |
| 10 | Bullitt County | 80309 |
| 11 | Christian County | 71293 |
| 12 | Oldham County | 66606 |
| 13 | McCracken County | 65420 |
| 14 | Pulaski County | 64377 |
| 15 | Laurel County | 60343 |
| 16 | Pike County | 58958 |
| 17 | Scott County | 54820 |
| 18 | Jessamine County | 53274 |
| 19 | Franklin County | 50564 |
| 20 | Boyd County | 47867 |
| 21 | Shelby County | 47216 |
| 22 | Henderson County | 45915 |
| 23 | Nelson County | 45606 |
| 24 | Hopkins County | 45303 |
| 25 | Barren County | 43787 |
| 26 | Calloway County | 38841 |
| 27 | Graves County | 37160 |
| 28 | Floyd County | 36301 |
| 29 | Whitley County | 36135 |
| 30 | Clark County | 35941 |
| 31 | Greenup County | 35542 |
| 32 | Knox County | 31461 |
| 33 | Marshall County | 31324 |
| 34 | Muhlenberg County | 30944 |
| 35 | Boyle County | 29992 |
| 36 | Meade County | 28054 |
| 37 | Montgomery County | 27954 |
| 38 | Carter County | 27216 |
| 39 | Logan County | 27017 |
| 40 | Bell County | 26865 |
| 41 | Harlan County | 26687 |
| 42 | Perry County | 26605 |
| 43 | Woodford County | 26375 |
| 44 | Grayson County | 26281 |
| 45 | Taylor County | 25517 |
| 46 | Grant County | 24998 |
| 47 | Rowan County | 24546 |
| 48 | Lincoln County | 24500 |
| 49 | Ohio County | 24137 |
| 50 | Johnson County | 22618 |
| 51 | Anderson County | 22553 |
| 52 | Letcher County | 22297 |
| 53 | Mercer County | 21557 |
| 54 | Allen County | 20891 |
| 55 | Wayne County | 20621 |
| 56 | Clay County | 20264 |
| 57 | Breckinridge County | 20131 |
| 58 | Bourbon County | 20088 |
| 59 | Adair County | 19311 |
| 60 | Marion County | 19284 |
| 61 | Harrison County | 18737 |
| 61 | Hart County | 18737 |
| 62 | Spencer County | 18583 |
| 63 | Simpson County | 18048 |
| 64 | Russell County | 17721 |
| 65 | Garrard County | 17452 |
| 66 | McCreary County | 17421 |
| 67 | Mason County | 17221 |
| 68 | Rockcastle County | 16780 |
| 69 | Henry County | 15979 |
| 70 | Casey County | 15836 |
| 71 | Lawrence County | 15757 |
| 72 | Knott County | 15243 |
| 73 | Union County | 14656 |
| 74 | Pendleton County | 14609 |
| 75 | Fleming County | 14439 |
| 76 | Trigg County | 14426 |
| 77 | Larue County | 14204 |
| 78 | Estill County | 14186 |
| 79 | Jackson County | 13418 |
| 80 | Lewis County | 13369 |
| 81 | Morgan County | 13263 |
| 82 | Webster County | 13012 |
| 83 | Breathitt County | 12922 |
| 84 | Butler County | 12792 |
| 85 | Caldwell County | 12660 |
| 86 | Magoffin County | 12525 |
| 87 | Bath County | 12393 |
| 88 | Powell County | 12284 |
| 89 | Edmonson County | 12248 |
| 90 | Todd County | 12203 |
| 91 | Washington County | 11871 |
| 92 | Martin County | 11504 |
| 93 | Green County | 11060 |
| 94 | Owen County | 10794 |
| 95 | Carroll County | 10720 |
| 96 | Monroe County | 10594 |
| 97 | Leslie County | 10323 |
| 98 | Clinton County | 10214 |
| 99 | Metcalfe County | 10085 |
| 100 | Livingston County | 9249 |
| 101 | McLean County | 9202 |
| 102 | Crittenden County | 9011 |
| 103 | Hancock County | 8786 |
| 104 | Gallatin County | 8716 |
| 105 | Trimble County | 8535 |
| 106 | Lyon County | 8293 |
| 107 | Bracken County | 8284 |
| 108 | Ballard County | 8002 |
| 109 | Elliott County | 7490 |
| 110 | Wolfe County | 7264 |
| 111 | Nicholas County | 7172 |
| 112 | Lee County | 6860 |
| 113 | Cumberland County | 6706 |
| 114 | Menifee County | 6465 |
| 115 | Fulton County | 6151 |
| 116 | Carlisle County | 4785 |
| 117 | Hickman County | 4531 |
| 118 | Owsley County | 4404 |
| 119 | Robertson County | 2127 |