Fastest Growing Counties in Kentucky (2026)

County
Rank
Change (2020) ↓
2026 Pop.
2020 Pop.
Warren County112.7%152,184135,039
Allen County211.69%22,97720,573
Madison County311.6%103,79293,002
Jessamine County49.31%57,97853,038
Spencer County59.2%21,28919,496
Scott County69.14%62,80057,541
Garrard County78.85%18,46616,965
Nicholas County88.01%8,1467,542
Boone County97.82%147,142136,472
Simpson County107.79%21,15819,628
Shelby County117.79%52,00448,245
Todd County127.12%13,15712,283
Anderson County136.65%25,49223,902
Grant County146.46%26,63025,014
Menifee County156.4%6,5316,138
Henry County166.37%16,69215,693
Breckinridge County176.35%21,74220,443
Morgan County186.29%14,59713,733
Calloway County196.24%39,94037,595
Bullitt County205.8%87,14382,365
Mercer County215.8%23,96722,654
Lincoln County225.79%25,65324,249
Harrison County235.76%19,78718,710
Edmonson County245.73%12,83612,140
Nelson County255.72%49,46346,785
Lyon County265.72%9,1698,673
Fleming County275.55%15,92615,089
Green County285.49%11,74011,129
Oldham County295.42%71,37267,705
Hart County305.37%20,32419,288
Robertson County315.32%2,2982,182
Bath County325.25%13,38212,715
Logan County334.99%28,88927,515
Kenton County344.64%177,117169,263
Grayson County354.44%27,63326,458
Woodford County364.39%28,08226,900
Pulaski County374.14%67,80965,112
Campbell County383.96%96,82893,141
Boyle County393.94%31,96730,754
Adair County403.84%19,61118,885
Owen County413.84%11,73711,303
Russell County423.72%18,66717,997
Trimble County433.52%8,7638,465
Metcalfe County443.33%10,62910,286
Marion County453.29%20,23219,587
Washington County463.19%12,42612,042
Hardin County473.15%114,320110,834
Carroll County483.14%11,17110,831
Trigg County493.08%14,51114,077
Barren County503.06%45,87044,508
Fayette County513.04%332,431322,620
Jackson County522.98%13,35612,969
Meade County532.9%30,90130,030
McCreary County542.88%17,32516,840
Clark County552.86%38,09237,033
Gallatin County562.79%8,9168,674
Taylor County572.71%26,71526,011
Casey County582.71%16,35715,926
Montgomery County592.55%28,83128,115
Franklin County602.52%52,90151,600
Laurel County612.41%64,24862,733
Larue County622.24%15,21214,879
Graves County632.1%37,30236,533
Daviess County642.05%105,521103,398
Butler County651.94%12,56012,321
Bracken County661.92%8,5608,399
Whitley County671.89%37,38936,696
Jefferson County681.71%796,278782,866
Cumberland County691.48%5,9475,860
Pendleton County701.08%14,79914,641
Ohio County710.93%23,96823,747
Wayne County720.42%19,63119,548
Rockcastle County730.17%16,08416,057
Livingston County740.09%8,8798,871
Marshall County75-0.08%31,66331,689
Caldwell County76-0.09%12,63012,642
Hancock County77-0.24%9,0829,104
Webster County78-0.27%12,98613,021
Hopkins County79-0.3%45,23345,369
Muhlenberg County80-0.67%30,69630,904
Bourbon County81-0.74%20,14920,299
Monroe County82-0.79%11,22611,315
McCracken County83-0.81%67,37467,923
Lee County84-0.87%7,3017,365
McLean County85-0.95%9,0479,134
Elliott County86-1%7,2607,333
Mason County87-1.03%16,95817,135
Henderson County88-1.15%44,16244,677
Rowan County89-1.17%24,42624,714
Estill County90-1.25%13,97914,156
Clinton County91-1.35%9,1069,231
Boyd County92-1.36%47,55448,209
Lewis County93-1.51%12,89013,088
Carlisle County94-1.6%4,7304,807
Ballard County95-1.71%7,5807,712
Carter County96-1.92%26,10326,614
Greenup County97-1.98%35,17635,885
Owsley County98-2.48%3,9344,034
Powell County99-2.56%12,76313,098
Knox County100-2.56%29,41230,186
Johnson County101-3%21,96922,648
Wolfe County102-3.46%6,3336,560
Lawrence County103-3.65%15,70516,300
Hickman County104-3.84%4,3544,528
Crittenden County105-4.03%8,6399,002
Floyd County106-4.56%34,17235,805
Clay County107-4.59%19,37520,308
Magoffin County108-4.8%11,04911,606
Martin County109-4.81%10,71111,252
Fulton County110-5.13%6,1766,510
Christian County111-5.44%68,79472,752
Bell County112-5.54%22,65323,981
Knott County113-6.95%13,17914,163
Perry County114-7.28%26,30528,370
Pike County115-7.48%54,08458,459
Union County116-8.01%12,55113,644
Letcher County117-8.24%19,69721,465
Harlan County118-8.78%24,40426,752
Leslie County119-9.22%9,50510,470
Breathitt County120-9.75%12,36513,701

Kentucky Counties Growth Overview

Kentucky's counties show varied growth patterns from 2020 to 2026. Warren County leads with 2.01% annualized growth, followed by Allen County (1.86%) and Madison County (1.85%). The largest counties are Jefferson County (796,278), Fayette County (332,431), and Kenton County (177,117). Of the 120 counties in Kentucky, 74 are growing while 46 have experienced population decline. Overall, counties averaged 0.25% annualized growth, with total population growing by 0.44% annually.

Change (2020)

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