Kentucky counties by population

Number of counties: 120
Population: 4,494,141
Largest county: Jefferson County
Table of counties in Kentucky sorted by population from largest to smallest.
CountyPopulation
Jefferson County780,449
Fayette County321,354
Kenton County168,264
Boone County134,599
Warren County133,216
Hardin County110,134
Daviess County102,488
Campbell County93,023
Madison County92,194
Bullitt County81,729
Christian County72,377
Oldham County67,586
McCracken County67,394
Pulaski County64,717
Laurel County62,090
Pike County58,914
Scott County56,267
Jessamine County53,016
Franklin County51,319
Boyd County48,447
Shelby County47,523
Nelson County46,440
Hopkins County45,432
Henderson County45,102
Barren County44,277
Calloway County37,291
Graves County36,796
Clark County36,716
Whitley County36,578
Floyd County36,127
Greenup County35,996
Marshall County31,662
Muhlenberg County31,011
Boyle County30,469
Knox County30,367
Meade County29,735
Perry County28,421
Montgomery County28,084
Logan County27,319
Harlan County26,921
Carter County26,820
Woodford County26,758
Grayson County26,351
Taylor County25,948
Grant County24,918
Bell County24,674
Rowan County24,654
Lincoln County24,314
Ohio County23,861
Anderson County23,646
Johnson County22,794
Mercer County22,470
Letcher County21,784
Allen County20,604
Clay County20,484
Breckinridge County20,345
Bourbon County20,281
Wayne County19,743
Marion County19,556
Simpson County19,324
Spencer County19,256
Hart County19,194
Adair County18,832
Harrison County18,690
Russell County17,909
Mason County17,103
McCreary County17,044
Garrard County17,018
Lawrence County16,274
Rockcastle County16,167
Casey County15,863
Henry County15,691
Fleming County14,996
Larue County14,768
Pendleton County14,625
Knott County14,506
Estill County14,157
Trigg County14,067
Union County13,786
Morgan County13,772
Breathitt County13,652
Lewis County13,103
Powell County13,050
Jackson County13,029
Webster County12,994
Bath County12,680
Caldwell County12,641
Butler County12,413
Todd County12,206
Edmonson County12,165
Washington County11,957
Magoffin County11,818
Martin County11,394
Monroe County11,269
Owen County11,160
Green County11,141
Carroll County10,808
Leslie County10,622
Metcalfe County10,275
Clinton County9,372
McLean County9,182
Hancock County9,050
Crittenden County8,997
Livingston County8,989
Lyon County8,700
Gallatin County8,694
Trimble County8,502
Bracken County8,394
Ballard County7,814
Nicholas County7,517
Elliott County7,414
Lee County7,263
Wolfe County6,666
Fulton County6,507
Menifee County6,149
Cumberland County6,023
Carlisle County4,821
Hickman County4,529
Owsley County4,094
Robertson County2,196

What is the largest county in Kentucky?

Jefferson County is the largest county in Kentucky with a population of 780,449.

TOP-5 counties by population in Kentucky:
  • Jefferson County
  • Fayette County
  • Kenton County
  • Boone County
  • Warren County