The Lexington-Fayette-Richmond-Frankfort combined statistical area, created by the United States Bureau of the Census in 2000, is the 76th largest Combined Statistical Area (CSA) of the United States. It consists of the Lexington-Fayette Metropolitan Statistical Area (MSA) and the Micropolitan Statistical Areas (which is also abbreviated as MSA) of Frankfort, Kentucky, Mount Sterling, and Richmond-Berea.
|Geographic Area||2010 census||2000 census||1990 census|
|Bourbon County, Kentucky||19,985||19,360||19,236|
|Clark County, Kentucky||35,613||33,144||29,496|
|Fayette County, Kentucky||295,803||260,512||225,366|
|Jessamine County, Kentucky||48,586||39,041||30,508|
|Scott County, Kentucky||47,172||33,061||23,867|
|Woodford County, Kentucky||24,939||23,208||19,955|
|Frankfort, KY MSA||70,706||66,798¹||58,352¹|
|Anderson County, Kentucky||21,421||19,111||14,571|
|Franklin County, Kentucky||49,285||47,687||43,781|
|Mount Sterling, KY MSA||44,396||40,195¹||34,345¹|
|Bath County, Kentucky||11,591||11,085||9,692|
|Menifee County, Kentucky||6,306||6,556||5,092|
|Montgomery County, Kentucky||26,499||22,554||19,561|
|Richmond, KY MSA||99,972||87,454¹||72,311¹|
|Madison County, Kentucky||82,916||70,872||57,508|
|Rockcastle County, Kentucky||17,056||16,582||14,803|
o Populations are based upon published estimates by the United States Bureau of the Census.
¹Census defined area did not exist during this census. Population totals are for counties included in 2005 census MSA or CSA estimates. Population is shown for comparison purposes only and should not be used as a reference.