Cincinnati Metro Area Counties

15 counties · 2.3 million people (2025) · 4,385 sq mi

The Cincinnati metro area (officially the Cincinnati, OH-KY-IN Metropolitan Statistical Area) has 15 counties in Indiana, Kentucky and Ohio, with 2,312,858 people in 2025. Hamilton County is the most populous.

Map of the 15 counties of the Cincinnati metro area with county names and major cities
The 15 counties of the Cincinnati metro area (yellow) with the largest cities. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
PDF (Letter) 282 KBPNG (2400 px) 160 KB

The 15 counties of the Cincinnati metro area

Sorted by population. 7 are central counties (the urban core); the others are outlying counties tied to it by commuting.

CountyStateCounty seatPopulation 2025Change since 2020Land area (sq mi)Type
Hamilton CountyOhioCincinnati838,418+0.9%406Central
Butler CountyOhioHamilton400,128+2.5%467Central
Warren CountyOhioLebanon257,181+6.1%401Central
Clermont CountyOhioBatavia216,977+4%453Central
Kenton CountyKentuckyCovington, Independence175,779+4%160Central
Boone CountyKentuckyBurlington145,316+6.9%246Central
Campbell CountyKentuckyAlexandria, Newport95,441+2.5%151Central
Dearborn CountyIndianaLawrenceburg51,609+1.8%305Outlying
Brown CountyOhioGeorgetown44,397+1.6%490Outlying
Grant CountyKentuckyWilliamstown26,181+5%258Outlying
Franklin CountyIndianaBrookville23,286+2.2%384Outlying
Pendleton CountyKentuckyFalmouth14,800+1.1%277Outlying
Gallatin CountyKentuckyWarsaw8,840+1.7%98Outlying
Bracken CountyKentuckyBrooksville8,511+1.3%203Outlying
Ohio CountyIndianaRising Sun5,994+1%86Outlying

The metro area is part of the larger Cincinnati-Wilmington, OH-KY-IN Combined Statistical Area.

Printable map

The PDF is a vector file for Letter paper; the PNG is 2400 pixels wide. Both are free to use with a credit to WhichCounty.

County maps of Indiana, Kentucky and Ohio

Other metro areas

All 97 metro area county maps

Sources