Where is Seminole County?

3 Seminole Counties in 3 states · 524,487 people (2025)

There are 3 counties named Seminole County in the United States, in Florida, Georgia and Oklahoma. The most populous is Seminole County, Florida (county seat: Sanford), with 491,884 people in 2025. 2 of them are named after Seminole, Native American people originally from Florida.

Map of the United States showing where all 3 Seminole Counties are, labeled by state
Every Seminole 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 3 Seminole Counties

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

StateCounty seatPopulation 2025Land area (sq mi)EstablishedNamed after
Seminole County, FloridaSanford491,8843091913Seminole
Seminole County, GeorgiaDonalsonville9,1622381920Seminole
Seminole County, OklahomaWewoka23,4416331907Seminole Nation of Oklahoma

Questions about Seminole Counties

How many Seminole Counties are there?

There are 3 Seminole Counties in the United States, in Florida, Georgia and Oklahoma.

Which Seminole County is the largest?

By population, Seminole County, Florida (491,884 people in 2025). By land area, Seminole County, Oklahoma (633 sq mi).

Which Seminole County is the oldest?

Seminole County, Oklahoma, established in 1907. The newest is Seminole County, Georgia (1920).

Why are there so many Seminole Counties?

2 of the 3 are named after Seminole, Native American people originally from Florida. Many counties took their names from the same founders, presidents and generals as new states were organized.

How do I find out which Seminole 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