The United States currently has 32 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated 8 combined statistical areas, 9 metropolitan statistical areas, and 15 micropolitan statistical areas in Kentucky. As of 2025, the largest of these is the Louisville/Jefferson County–Elizabethtown, KY-IN CSA, comprising greater Louisville, Kentucky's largest city.
+The 32 United States statistical areas and 120 counties of the Commonwealth of KentuckyCombined statistical area2025 population (est.)Core-based statistical area2025 population (est.)County2025 population (est.)Louisville/Jefferson County–Elizabethtown, KY-IN CSA1,531,1751,219,052 ()Louisville/Jefferson County, KY-IN MSA1,402,5091,090,386 (KY)Jefferson County, Kentucky795,222Clark County, Indiana130,451Bullitt County, Kentucky86,454Floyd County, Indiana82,153Oldham County, Kentucky70,986Shelby County, Kentucky51,243Nelson County, Kentucky49,036Harrison County, Indiana40,437Meade County, Kentucky30,699Washington County, Indiana28,383Spencer County, Kentucky20,998Henry County, Kentucky16,447Elizabethtown, KY MSA128,666Hardin County, Kentucky113,482LaRue County, Kentucky15,184Lexington-Fayette–Richmond–Frankfort, KY CSA793,282Lexington-Fayette, KY MSA535,174Fayette County, Kentucky329,751Scott County, Kentucky62,262Jessamine County, Kentucky57,147Clark County, Kentucky37,888Woodford County, Kentucky27,883Bourbon County, Kentucky20,243Richmond–Berea, KY μSA131,806Madison County, Kentucky101,696Rockcastle County, Kentucky16,148Estill County, Kentucky13,962Frankfort, KY μSA77,874Franklin County, Kentucky52,649Anderson County, Kentucky25,225Mount Sterling, KY μSA48,428Montgomery County, Kentucky28,822Bath County, Kentucky13,176Menifee County, Kentucky6,430Cincinnati–Wilmington, OH-KY-IN CSA2,355,159474,868 (KY)Cincinnati, OH-KY-IN MSA2,312,858474,868 (KY)Hamilton County, Ohio838,418Butler County, Ohio400,128Warren County, Ohio257,181Clermont County, Ohio216,977Kenton County, Kentucky175,779Boone County, Kentucky145,316Campbell County, Kentucky95,441Dearborn County, Indiana51,609Brown County, Ohio44,397Grant County, Kentucky26,181Franklin County, Indiana23,286Pendleton County, Kentucky14,800Gallatin County, Kentucky8,840Bracken County, Kentucky8,511Ohio County, Indiana5,994Wilmington, OH μSA42,301Clinton County, Ohio42,301Bowling Green–Glasgow, KY CSA274,192Bowling Green, KY MSA197,180Warren County, Kentucky149,375Allen County, Kentucky22,536Edmonson County, Kentucky12,749Butler County, Kentucky12,520Glasgow, KY μSA56,224Barren County, Kentucky45,641Metcalfe County, Kentucky10,583Franklin, KY μSA20,788Simpson County, Kentucky20,788Middlesborough–Corbin, KY CSA172,869Corbin, KY μSA150,040Laurel County, Kentucky63,746Whitley County, Kentucky37,297Knox County, Kentucky29,532Clay County, Kentucky19,465Middlesborough, KY μSA22,829Bell County, Kentucky22,829Charleston–Huntington–Ashland, WV-OH-KY CSA637,500124,878 (KY)Huntington–Ashland, WV-KY-OH MSA365,965124,878 (KY)Cabell County, West Virginia91,183Putnam County, West Virginia56,885Lawrence County, Ohio55,710Boyd County, Kentucky47,751Wayne County, West Virginia37,309Greenup County, Kentucky35,213Carter County, Kentucky26,149Lawrence County, Kentucky15,765Charleston, WV MSA200,170Kanawha County, West Virginia172,381Boone County, West Virginia20,251Clay County, West Virginia7,538Portsmouth, OH μSA71,365Scioto County, Ohio71,365Paducah–Mayfield, KY-IL CSA139,309125,807 (KY)Paducah, KY-IL MSA102,25988,757 (KY)McCracken County, Kentucky67,553Massac County, Illinois13,502Livingston County, Kentucky8,863Ballard County, Kentucky7,594Carlisle County, Kentucky4,747Mayfield, KY μSA37,050Graves County, Kentucky37,050noneOwensboro, KY MSA123,012Daviess County, Kentucky104,898McLean County, Kentucky9,064Pikeville, KY μSA89,122Pike County, Kentucky54,721Floyd County, Kentucky34,401Clarksville, TN-KY MSA349,00184,627 (KY)Montgomery County, Tennessee249,935Christian County, Kentucky70,115Trigg County, Kentucky14,512Stewart County, Tennessee14,439Somerset, KY μSA67,384Pulaski County, Kentucky67,384Evansville–Henderson, IN-KY CSA330,97057,184 (KY)Evansville, IN MSA270,717Vanderburgh County, Indiana181,995Warrick County, Indiana66,803Posey County, Indiana24,988Henderson, KY μSA57,184Henderson County, Kentucky44,255Webster County, Kentucky12,929noneDanville, KY μSA56,985Boyle County, Kentucky31,632Lincoln County, Kentucky25,353Madisonville, KY μSA45,127Hopkins County, Kentucky45,127Murray, KY μSA39,421Calloway County, Kentucky39,421Campbellsville, KY μSA38,407Taylor County, Kentucky26,763Green County, Kentucky11,644noneMarshall County, Kentucky31,659Muhlenberg County, Kentucky30,634Logan County, Kentucky28,669Perry County, Kentucky26,555Grayson County, Kentucky27,406Harlan County, Kentucky24,725Rowan County, Kentucky24,476Ohio County, Kentucky23,934Mercer County, Kentucky23,733Johnson County, Kentucky22,051Breckinridge County, Kentucky21,503Letcher County, Kentucky19,952Marion County, Kentucky20,115Hart County, Kentucky20,117Wayne County, Kentucky19,597Harrison County, Kentucky19,627Adair County, Kentucky19,423Russell County, Kentucky18,608Garrard County, Kentucky18,207McCreary County, Kentucky17,124Mason County, Kentucky16,936Casey County, Kentucky16,205Fleming County, Kentucky15,787Morgan County, Kentucky14,415Knott County, Kentucky13,321Union County, Kentucky12,839Jackson County, Kentucky13,325Lewis County, Kentucky12,901Powell County, Kentucky12,812Breathitt County, Kentucky12,558Caldwell County, Kentucky12,609Todd County, Kentucky12,972Washington County, Kentucky12,368Owen County, Kentucky11,601Monroe County, Kentucky11,191Magoffin County, Kentucky11,110Carroll County, Kentucky11,141Martin County, Kentucky10,697Leslie County, Kentucky9,627Lyon County, Kentucky9,123Clinton County, Kentucky9,139Crittenden County, Kentucky8,807Hancock County, Kentucky9,050Trimble County, Kentucky8,701Nicholas County, Kentucky7,949Lee County, Kentucky7,297Elliott County, Kentucky7,265Fulton County, Kentucky6,218Wolfe County, Kentucky6,298Cumberland County, Kentucky5,992Hickman County, Kentucky4,372Owsley County, Kentucky3,932Robertson County, Kentucky2,325Commonwealth of Kentucky4,606,864
+The 24 core-based statistical areas of the Commonwealth of Kentucky2025 rankCore-based statistical areaPopulation2025 estimateChange2020 CensusChange2010 CensusLouisville/Jefferson County, KY-IN MSA (KY)Lexington-Fayette, KY MSACincinnati, OH-KY-IN MSA (KY)Bowling Green, KY MSACorbin, KY μSAElizabethtown, KY MSARichmond–Berea, KY μSAHuntington–Ashland, WV-KY-OH MSA (KY)Owensboro, KY MSAPikeville, KY μSAPaducah, KY-IL MSA (KY)Clarksville, TN-KY MSA (KY)Frankfort, KY μSASomerset, KY μSAHenderson, KY μSADanville, KY μSAGlasgow, KY μSAMount Sterling, KY μSAMadisonville, KY μSAMurray, KY μSACampbellsville, KY μSAMayfield, KY μSAMiddlesborough, KY μSAFranklin, KY μSACincinnati, OH-KY-IN MSAClarksville, TN-KY MSAHuntington–Ashland, WV-KY-OH MSALouisville/Jefferson County, KY-IN MSAPaducah, KY-IL MSA
+The eight combined statistical areas of the Commonwealth of Kentucky2025 rankCombined statistical areaPopulation2025 estimateChange2020 CensusChange2010 CensusLouisville/Jefferson County–Elizabethtown, KY-IN CSA (KY)Lexington-Fayette–Richmond–Frankfort, KY CSACincinnati–Wilmington, OH-KY-IN CSA (KY)Bowling Green–Glasgow–Franklin, KY CSAMiddlesborough–Corbin, KY CSAPaducah–Mayfield, KY-IL CSA (KY)Charleston–Huntington-Ashland, WV-OH-KY CSA (KY)Evansville–Henderson, IN-KY CSA (KY)Charleston–Huntington–Ashland, WV-OH-KY CSACincinnati–Wilmington, OH-KY-IN CSAEvansville–Henderson, IN-KY CSALouisville/Jefferson County–Elizabethtown, KY-IN CSAPaducah–Mayfield, KY-IL CSA
See also
Geography of Kentucky Demographics of Kentucky
Notes
References
External links
Office of Management and Budget United States Census Bureau