Where is Fulton County?

8 Fulton Counties in 8 states · 1.3 million people (2025)

There are 8 counties named Fulton County in the United States, in Arkansas, Georgia, Illinois, Indiana, Kentucky, New York, Ohio and Pennsylvania. The most populous is Fulton County, Georgia (county seat: Atlanta), with 1,098,791 people in 2025. 6 of them are named after Robert Fulton, American engineer and inventor (1765–1815).

Map of the United States showing where all 8 Fulton Counties are, labeled by state
Every Fulton County in the United States (red), labeled with its state. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

All 8 Fulton Counties

Sorted by state. Each link opens the county's map.

StateCounty seatPopulation 2025Land area (sq mi)EstablishedNamed after
Fulton County, ArkansasSalem12,4926181842William S. Fulton
Fulton County, GeorgiaAtlanta1,098,7915271853Hamilton Fulton
Fulton County, IllinoisLewistown32,9018661823Robert Fulton
Fulton County, IndianaRochester20,0913681836Robert Fulton
Fulton County, KentuckyHickman6,2182061845Robert Fulton
Fulton County, New YorkJohnstown52,2164961838Robert Fulton
Fulton County, OhioWauseon41,8534051850Robert Fulton
Fulton County, PennsylvaniaMcConnellsburg14,4834381850Robert Fulton

Questions about Fulton Counties

How many Fulton Counties are there?

There are 8 Fulton Counties in the United States, in Arkansas, Georgia, Illinois, Indiana, Kentucky, New York, Ohio and Pennsylvania.

Which Fulton County is the largest?

By population, Fulton County, Georgia (1,098,791 people in 2025). By land area, Fulton County, Illinois (866 sq mi).

Which Fulton County is the oldest?

Fulton County, Illinois, established in 1823. The newest is Fulton County, Georgia (1853).

Why are there so many Fulton Counties?

6 of the 8 are named after Robert Fulton, American engineer and inventor (1765–1815). Many counties took their names from the same founders, presidents and generals as new states were organized.

How do I find out which Fulton County an address is in?

Open the county map of the state: it has a search box for cities, towns and ZIP codes. On a phone, the "what county am I in" tool on our sister site uses your location.

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Other common county names