Where is Lauderdale County?

3 Lauderdale Counties in 3 states · 192,069 people (2025)

There are 3 counties named Lauderdale County in the United States, in Alabama, Mississippi and Tennessee. The most populous is Lauderdale County, Alabama (county seat: Florence), with 97,135 people in 2025. 3 of them are named after James Lauderdale, American militia officer (1768–1814).

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

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

StateCounty seatPopulation 2025Land area (sq mi)EstablishedNamed after
Lauderdale County, AlabamaFlorence97,1356681818James Lauderdale
Lauderdale County, MississippiMeridian70,3177041833James Lauderdale
Lauderdale County, TennesseeRipley24,6174721835James Lauderdale

Questions about Lauderdale Counties

How many Lauderdale Counties are there?

There are 3 Lauderdale Counties in the United States, in Alabama, Mississippi and Tennessee.

Which Lauderdale County is the largest?

By population, Lauderdale County, Alabama (97,135 people in 2025). By land area, Lauderdale County, Mississippi (704 sq mi).

Which Lauderdale County is the oldest?

Lauderdale County, Alabama, established in 1818. The newest is Lauderdale County, Tennessee (1835).

Why are there so many Lauderdale Counties?

3 of the 3 are named after James Lauderdale, American militia officer (1768–1814). Many counties took their names from the same founders, presidents and generals as new states were organized.

How do I find out which Lauderdale 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