Where is Kent County?

5 Kent Counties in 5 states · 1.1 million people (2025)

There are 5 counties named Kent County in the United States, in Delaware, Maryland, Michigan, Rhode Island and Texas. The most populous is Kent County, Michigan (county seat: Grand Rapids), with 675,232 people in 2025. 3 of them are named after Kent, ceremonial county of England, United Kingdom.

Map of the United States showing where all 5 Kent Counties are, labeled by state
Every Kent 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 5 Kent Counties

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

StateCounty seatPopulation 2025Land area (sq mi)EstablishedNamed after
Kent County, DelawareDover194,7865861683Kent
Kent County, MarylandChestertown19,5652771642Kent
Kent County, MichiganGrand Rapids675,2328501831James Kent
Kent County, Rhode IslandEast Greenwich173,4951691750Kent
Kent County, TexasJayton6749031876–

Questions about Kent Counties

How many Kent Counties are there?

There are 5 Kent Counties in the United States, in Delaware, Maryland, Michigan, Rhode Island and Texas.

Which Kent County is the largest?

By population, Kent County, Michigan (675,232 people in 2025). By land area, Kent County, Texas (903 sq mi).

Which Kent County is the oldest?

Kent County, Maryland, established in 1642. The newest is Kent County, Texas (1876).

Why are there so many Kent Counties?

3 of the 5 are named after Kent, ceremonial county of England, United Kingdom. Many counties took their names from the same founders, presidents and generals as new states were organized.

How do I find out which Kent 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