__TOC__The following are lists of U.S. counties and county-equivalents by various criteria. By state

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

In U.S. territories and federal district The United States Census Bureau also divides the U.S. territories and the District of Columbia into county-equivalents: American Samoa's districts and atolls Guam is counted as a single county-equivalent Northern Mariana Islands municipalities Puerto Rico municipalities Each main island of the U.S. Virgin Islands Each island of the United States Minor Outlying Islands Washington, D.C. is counted as a single county-equivalent

By name

By name origin

By demographics

By geography

References