PlainCities

Counties · Kentucky

Counties of Kentucky

Kentucky has 120 counties. Jefferson County is the largest with 795,222 residents in 2025. 73 of the 120 gained residents between 2020 and 2025 by the Census Bureau's estimates.

What counties are in Kentucky?

Sorted by the 2025 population estimate; sort by any column.

Counties of Kentucky: 2025 estimate, change since 2020, ACS 2020-2024 5-year estimates
Jefferson County795,222+1.6%84216$69,866$248,400
Fayette County329,751+2.2%182$69,479$293,500
Kenton County175,779+4.0%2044$80,548$244,400
Warren County149,375+11.0%627$65,794$258,000
Boone County145,316+6.9%1230$99,414$277,300
Hardin County113,482+2.5%1028$67,647$225,800
Daviess County104,898+1.5%1724$68,214$199,900
Madison County101,696+9.7%231$63,351$232,000
Campbell County95,441+2.5%1625$77,567$252,000
Bullitt County86,454+5.1%922$80,558$247,200
Oldham County70,986+5.0%915$122,497$393,100
Christian County70,115−3.7%821$55,494$173,600
McCracken County67,553−0.5%619$64,373$188,100
Pulaski County67,384+3.6%521$51,898$166,900
Laurel County63,746+1.8%416$57,771$159,500
Scott County62,262+8.9%419$85,158$288,500
Jessamine County57,147+7.8%411$74,576$268,100
Pike County54,721−6.7%922$44,312$112,000
Franklin County52,649+2.1%120$65,298$216,600
Shelby County51,243+6.5%312$82,604$304,800
Nelson County49,036+4.9%711$69,562$238,000
Boyd County47,751−1.1%515$61,118$130,700
Barren County45,641+2.6%413$50,628$178,000
Hopkins County45,127−0.6%1013$56,815$142,800
Henderson County44,255−1.2%614$58,851$171,900
Calloway County39,421+5.0%311$52,706$183,200
Clark County37,888+2.4%110$64,348$205,800
Whitley County37,297+1.6%512$44,615$131,800
Graves County37,050+1.1%1010$50,772$147,800
Greenup County35,213−2.1%89$60,751$134,000
Floyd County34,401−4.3%1014$41,279$98,700
Marshall County31,659−0.0%410$65,831$173,800
Boyle County31,632+3.3%37$61,159$209,900
Meade County30,699+2.3%59$74,355$207,900
Muhlenberg County30,634−1.0%910$51,927$127,400
Knox County29,532−2.2%511$32,527$118,700
Montgomery County28,822+2.5%37$56,396$172,200
Logan County28,669+4.5%56$60,382$164,900
Woodford County27,883+3.8%28$83,788$299,700
Grayson County27,406+3.7%49$50,757$164,600
Taylor County26,763+2.8%17$60,456$174,200
Perry County26,555−6.7%610$42,181$91,800
Grant County26,181+5.0%47$69,178$209,500
Carter County26,149−1.8%28$51,235$132,800
Lincoln County25,353+4.4%67$52,440$147,300
Anderson County25,225+5.6%16$74,488$225,100
Harlan County24,725−7.8%1411$41,693$73,700
Rowan County24,476−0.7%36$54,321$161,800
Ohio County23,934+0.7%88$57,798$121,400
Mercer County23,733+4.8%35$64,824$202,300
Bell County22,829−5.3%39$31,354$89,000
Allen County22,536+9.5%16$61,403$192,300
Johnson County22,051−2.8%37$44,904$120,200
Breckinridge County21,503+5.2%36$55,843$156,700
Spencer County20,998+8.1%24$102,618$330,000
Simpson County20,788+6.1%15$59,858$229,400
Bourbon County20,243−0.1%38$61,354$229,300
Hart County20,117+4.3%46$52,285$146,000
Marion County20,115+2.8%56$59,627$168,100
Letcher County19,952−7.4%810$41,793$67,400
Harrison County19,627+5.1%25$66,442$202,100
Wayne County19,597+0.2%19$45,739$135,700
Clay County19,465−4.3%28$40,900$90,700
Adair County19,423+2.8%17$53,553$150,800
Russell County18,608+3.4%25$44,738$163,200
Garrard County18,207+7.4%16$63,087$204,900
McCreary County17,124+1.4%36$33,750$85,300
Mason County16,936−1.1%55$52,178$161,500
Henry County16,447+4.9%55$63,347$197,900
Casey County16,205+1.6%16$45,510$136,300
Rockcastle County16,148+0.7%35$48,862$123,600
Fleming County15,787+4.7%34$49,307$134,700
Lawrence County15,765−3.2%26$46,772$111,700
Larue County15,184+2.1%45$67,067$183,500
Pendleton County14,800+1.1%34$64,669$159,800
Trigg County14,512+3.3%27$59,857$207,700
Morgan County14,415+5.0%25$47,913$118,200
Estill County13,962−1.4%26$46,051$119,500
Jackson County13,325+2.8%25$40,000$111,500
Knott County13,321−6.5%35$41,761$77,000
Bath County13,176+3.4%34$56,541$129,800
Todd County12,972+5.9%54$61,103$166,700
Webster County12,929−0.7%84$59,628$112,900
Lewis County12,901−1.4%34$46,838$96,000
Union County12,839−6.1%54$60,327$104,500
Powell County12,812−2.4%24$40,309$141,100
Edmonson County12,749+5.1%15$54,937$160,300
Caldwell County12,609−0.3%34$59,583$118,500
Breathitt County12,558−8.5%17$34,808$70,300
Butler County12,520+1.2%36$56,092$111,100
Washington County12,368+2.8%34$61,616$179,200
Green County11,644+4.8%24$46,798$125,000
Owen County11,601+3.0%44$61,134$168,700
Monroe County11,191−1.3%34$51,280$115,900
Carroll County11,141+3.1%53$56,466$140,900
Magoffin County11,110−4.5%15$33,080$89,000
Martin County10,697−5.3%24$37,042$86,900
Metcalfe County10,583+2.9%23$51,473$110,200
Leslie County9,627−8.4%14$35,934$69,000
Clinton County9,139−1.2%14$44,844$122,200
Lyon County9,123+5.1%24$65,066$189,500
McLean County9,064−1.0%53$65,596$148,500
Hancock County9,050−0.5%23$65,464$141,200
Livingston County8,863−0.3%63$58,984$125,600
Gallatin County8,840+1.7%33$63,346$178,200
Crittenden County8,807−2.0%34$46,656$127,300
Trimble County8,701+2.7%22$66,027$172,000
Bracken County8,511+1.3%33$66,319$125,000
Nicholas County7,949+5.5%22$59,531$123,000
Ballard County7,594−1.8%73$66,164$145,800
Lee County7,297−1.2%13$37,568$83,900
Elliott County7,265−1.2%13$45,776$123,500
Menifee County6,430+5.2%12$45,096$125,800
Wolfe County6,298−4.1%22$30,417$75,800
Fulton County6,218−4.5%32$38,217$79,100
Cumberland County5,992+1.8%22$40,000$141,100
Carlisle County4,747−1.5%33$62,439$120,400
Hickman County4,372−3.3%21$60,867$115,700
Owsley County3,932−3.0%12$22,188$80,100
Robertson County2,325+6.0%21$51,830$165,100

Source: PEP Vintage 2025 (CO-EST2025); American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Census population estimates

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections