Where is Macon County?

6 Macon Counties in 6 states · 211,273 people (2025)

There are 6 counties named Macon County in the United States, in Alabama, Georgia, Illinois, Missouri, North Carolina and Tennessee. The most populous is Macon County, Illinois (county seat: Decatur), with 99,300 people in 2025. 6 of them are named after Nathaniel Macon, Speaker of the House (1757-1837).

Map of the United States showing where all 6 Macon Counties are, labeled by state
Every Macon 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 6 Macon Counties

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

StateCounty seatPopulation 2025Land area (sq mi)EstablishedNamed after
Macon County, AlabamaTuskegee18,1326091832Nathaniel Macon
Macon County, GeorgiaOglethorpe11,7564011837Nathaniel Macon
Macon County, IllinoisDecatur99,3005811829Nathaniel Macon
Macon County, MissouriMacon15,1908011837Nathaniel Macon
Macon County, North CarolinaFranklin39,2325161828Nathaniel Macon
Macon County, TennesseeLafayette27,6633071842Nathaniel Macon

Questions about Macon Counties

How many Macon Counties are there?

There are 6 Macon Counties in the United States, in Alabama, Georgia, Illinois, Missouri, North Carolina and Tennessee.

Which Macon County is the largest?

By population, Macon County, Illinois (99,300 people in 2025). By land area, Macon County, Missouri (801 sq mi).

Which Macon County is the oldest?

Macon County, North Carolina, established in 1828. The newest is Macon County, Tennessee (1842).

Why are there so many Macon Counties?

6 of the 6 are named after Nathaniel Macon, Speaker of the House (1757-1837). Many counties took their names from the same founders, presidents and generals as new states were organized.

How do I find out which Macon 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