Where is Mineral County?

4 Mineral Counties in 4 states · 37,294 people (2025)

There are 4 counties named Mineral County in the United States, in Colorado, Montana, Nevada and West Virginia. The most populous is Mineral County, West Virginia (county seat: Keyser), with 26,792 people in 2025. 2 of them are named after mineral, naturally occurring usually inorganic substance that has a (more or less) definite chemical composition and a crystal structure.

Map of the United States showing where all 4 Mineral Counties are, labeled by state
Every Mineral 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 4 Mineral Counties

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

StateCounty seatPopulation 2025Land area (sq mi)EstablishedNamed after
Mineral County, ColoradoCreede9108761893–
Mineral County, MontanaSuperior5,1851,2201914–
Mineral County, NevadaHawthorne4,4073,7511911mineral
Mineral County, West VirginiaKeyser26,7923281866mineral

Questions about Mineral Counties

How many Mineral Counties are there?

There are 4 Mineral Counties in the United States, in Colorado, Montana, Nevada and West Virginia.

Which Mineral County is the largest?

By population, Mineral County, West Virginia (26,792 people in 2025). By land area, Mineral County, Nevada (3,751 sq mi).

Which Mineral County is the oldest?

Mineral County, West Virginia, established in 1866. The newest is Mineral County, Montana (1914).

Why are there so many Mineral Counties?

2 of the 4 are named after mineral, naturally occurring usually inorganic substance that has a (more or less) definite chemical composition and a crystal structure. Many counties took their names from the same founders, presidents and generals as new states were organized.

How do I find out which Mineral 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