# Counties in Kentucky by population, 2025

All 120 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-08
- Citation: U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
- Web page: https://invokely.ai/rankings/population/kentucky-counties
- CSV: https://invokely.ai/download/rankings/population/kentucky-counties.csv

| Rank | Place | persons |
|---:|---|---:|
| 1 | Jefferson County | 795,222 |
| 2 | Fayette County | 329,751 |
| 3 | Kenton County | 175,779 |
| 4 | Warren County | 149,375 |
| 5 | Boone County | 145,316 |
| 6 | Hardin County | 113,482 |
| 7 | Daviess County | 104,898 |
| 8 | Madison County | 101,696 |
| 9 | Campbell County | 95,441 |
| 10 | Bullitt County | 86,454 |
| 11 | Oldham County | 70,986 |
| 12 | Christian County | 70,115 |
| 13 | McCracken County | 67,553 |
| 14 | Pulaski County | 67,384 |
| 15 | Laurel County | 63,746 |
| 16 | Scott County | 62,262 |
| 17 | Jessamine County | 57,147 |
| 18 | Pike County | 54,721 |
| 19 | Franklin County | 52,649 |
| 20 | Shelby County | 51,243 |
| 21 | Nelson County | 49,036 |
| 22 | Boyd County | 47,751 |
| 23 | Barren County | 45,641 |
| 24 | Hopkins County | 45,127 |
| 25 | Henderson County | 44,255 |
| 26 | Calloway County | 39,421 |
| 27 | Clark County | 37,888 |
| 28 | Whitley County | 37,297 |
| 29 | Graves County | 37,050 |
| 30 | Greenup County | 35,213 |
| 31 | Floyd County | 34,401 |
| 32 | Marshall County | 31,659 |
| 33 | Boyle County | 31,632 |
| 34 | Meade County | 30,699 |
| 35 | Muhlenberg County | 30,634 |
| 36 | Knox County | 29,532 |
| 37 | Montgomery County | 28,822 |
| 38 | Logan County | 28,669 |
| 39 | Woodford County | 27,883 |
| 40 | Grayson County | 27,406 |
| 41 | Taylor County | 26,763 |
| 42 | Perry County | 26,555 |
| 43 | Grant County | 26,181 |
| 44 | Carter County | 26,149 |
| 45 | Lincoln County | 25,353 |
| 46 | Anderson County | 25,225 |
| 47 | Harlan County | 24,725 |
| 48 | Rowan County | 24,476 |
| 49 | Ohio County | 23,934 |
| 50 | Mercer County | 23,733 |
| 51 | Bell County | 22,829 |
| 52 | Allen County | 22,536 |
| 53 | Johnson County | 22,051 |
| 54 | Breckinridge County | 21,503 |
| 55 | Spencer County | 20,998 |
| 56 | Simpson County | 20,788 |
| 57 | Bourbon County | 20,243 |
| 58 | Hart County | 20,117 |
| 59 | Marion County | 20,115 |
| 60 | Letcher County | 19,952 |
| 61 | Harrison County | 19,627 |
| 62 | Wayne County | 19,597 |
| 63 | Clay County | 19,465 |
| 64 | Adair County | 19,423 |
| 65 | Russell County | 18,608 |
| 66 | Garrard County | 18,207 |
| 67 | McCreary County | 17,124 |
| 68 | Mason County | 16,936 |
| 69 | Henry County | 16,447 |
| 70 | Casey County | 16,205 |
| 71 | Rockcastle County | 16,148 |
| 72 | Fleming County | 15,787 |
| 73 | Lawrence County | 15,765 |
| 74 | Larue County | 15,184 |
| 75 | Pendleton County | 14,800 |
| 76 | Trigg County | 14,512 |
| 77 | Morgan County | 14,415 |
| 78 | Estill County | 13,962 |
| 79 | Jackson County | 13,325 |
| 80 | Knott County | 13,321 |
| 81 | Bath County | 13,176 |
| 82 | Todd County | 12,972 |
| 83 | Webster County | 12,929 |
| 84 | Lewis County | 12,901 |
| 85 | Union County | 12,839 |
| 86 | Powell County | 12,812 |
| 87 | Edmonson County | 12,749 |
| 88 | Caldwell County | 12,609 |
| 89 | Breathitt County | 12,558 |
| 90 | Butler County | 12,520 |
| 91 | Washington County | 12,368 |
| 92 | Green County | 11,644 |
| 93 | Owen County | 11,601 |
| 94 | Monroe County | 11,191 |
| 95 | Carroll County | 11,141 |
| 96 | Magoffin County | 11,110 |
| 97 | Martin County | 10,697 |
| 98 | Metcalfe County | 10,583 |
| 99 | Leslie County | 9,627 |
| 100 | Clinton County | 9,139 |
| 101 | Lyon County | 9,123 |
| 102 | McLean County | 9,064 |
| 103 | Hancock County | 9,050 |
| 104 | Livingston County | 8,863 |
| 105 | Gallatin County | 8,840 |
| 106 | Crittenden County | 8,807 |
| 107 | Trimble County | 8,701 |
| 108 | Bracken County | 8,511 |
| 109 | Nicholas County | 7,949 |
| 110 | Ballard County | 7,594 |
| 111 | Lee County | 7,297 |
| 112 | Elliott County | 7,265 |
| 113 | Menifee County | 6,430 |
| 114 | Wolfe County | 6,298 |
| 115 | Fulton County | 6,218 |
| 116 | Cumberland County | 5,992 |
| 117 | Carlisle County | 4,747 |
| 118 | Hickman County | 4,372 |
| 119 | Owsley County | 3,932 |
| 120 | Robertson County | 2,325 |