Where is Cumberland County?

8 Cumberland Counties in 8 states · 1.2 million people (2025)

There are 8 counties named Cumberland County in the United States, in Illinois, Kentucky, Maine, New Jersey, North Carolina, Pennsylvania, Tennessee and Virginia. The most populous is Cumberland County, North Carolina (county seat: Fayetteville), with 338,473 people in 2025. 4 of them are named after Prince William, Duke of Cumberland, British Army general; (1721-1765).

Map of the United States showing where all 8 Cumberland Counties are, labeled by state
Every Cumberland 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 Cumberland Counties

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

StateCounty seatPopulation 2025Land area (sq mi)EstablishedNamed after
Cumberland County, IllinoisToledo10,2083461843National Road
Cumberland County, KentuckyBurkesville5,992305–Cumberland River
Cumberland County, MainePortland317,2228361760Prince William, Duke of Cumberland
Cumberland County, New JerseyBridgeton157,1484831748Prince William, Duke of Cumberland
Cumberland County, North CarolinaFayetteville338,4736531754Prince William, Duke of Cumberland
Cumberland County, PennsylvaniaCarlisle277,2705461750Cumberland
Cumberland County, TennesseeCrossville66,3006811855Cumberland Mountains
Cumberland County, VirginiaCumberland10,3522981749Prince William, Duke of Cumberland

Questions about Cumberland Counties

How many Cumberland Counties are there?

There are 8 Cumberland Counties in the United States, in Illinois, Kentucky, Maine, New Jersey, North Carolina, Pennsylvania, Tennessee and Virginia.

Which Cumberland County is the largest?

By population, Cumberland County, North Carolina (338,473 people in 2025). By land area, Cumberland County, Maine (836 sq mi).

Which Cumberland County is the oldest?

Cumberland County, New Jersey, established in 1748. The newest is Cumberland County, Tennessee (1855).

Why are there so many Cumberland Counties?

4 of the 8 are named after Prince William, Duke of Cumberland, British Army general; (1721-1765). Many counties took their names from the same founders, presidents and generals as new states were organized.

How do I find out which Cumberland 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