The following is a list of the counties and county-equivalents in the 50 states and District of Columbia sorted by U.S. state, plus the additional 100 county-equivalents in the U.S. territories sorted by …

"Counties are the primary unit of local government responsible for most basic services such as police, fire, local corrections, sanitation, local highways, health, and parks and recreation.

Nov 20, 2025 · This list contains all the 50 states and the number of counties in each. Texas (254) has the most number of counties while Delaware (3) has the least.

This US county map shows the 3,143 counties and county-equivalent administration areas including parishes, boroughs, census areas, independent cities, and the District of Columbia.

Counties are one of America’s oldest forms of government, dating back to 1634 when the first county governments (shires) were established along the eastern shores of Virginia.

Each state has its own set of counties, each responsible for local services like voting, taxes, school zones, and emergency response. Click on any state to see its full county map, a list of all counties, …

Dec 28, 2022 · In 2010, there were 3,143 counties or equivalents in the United States. In addition to parishes in Louisiana and boroughs in Alaska, the figure also includes census areas (census areas) …

Find good maps of every U.S. county here.

Discover detailed county information for every U.S. state and territory. Browse our directory to explore all regions and counties across the United States.

5 days ago · Several of the largest counties function differently than traditional counties. Alaska uses boroughs and census areas, which serve similar roles but reflect unique governance systems tied to …