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Population Review

How many counties are in the United States?

There are 3,222 counties (and county equivalents) in the US, including Louisiana parishes and Alaska boroughs.

Context

Counties are the primary subdivisions of states. They administer courts, elections, property records, public health, and law enforcement.

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What is the most populated state in the US?What is the richest state in the US?What is the fastest-growing state?What is the most diverse state?What is the largest city in the United States?How many states are there in the United States?

Frequently Asked Questions

There are 3,222 counties (and county equivalents) in the US, including Louisiana parishes and Alaska boroughs.

Source: U.S. Census Bureau ACS, 2026.