The following is a list of the 3,143 counties and county-equivalents in the 50 states and District of Columbia sorted by U.S. state, plus an additional 100 county-equivalents in the U.S. territories sorted …

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) …

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 article offers a detailed list of counties in the United States by each state, helping readers understand the full scope of local jurisdictions within the U.S. government system.

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.

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

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, …