Mohave County is in the northwestern corner of the U.S. state of Arizona. As of the 2020 census, its population was 213,267. The county seat is Kingman, and the largest city is Lake Havasu City. It is the fifth largest county in the United States.

Kingman is a city in, and the county seat of, Mohave County, Arizona, United States. It is named after Lewis Kingman, an engineer for the Atlantic and Pacific Railroad. It is located 105 miles (169 km) southeast of Las Vegas, Nevada, and 180 miles (290 km) northwest of Arizona's state capital, Phoenix. The population was 32,689 at the 2020 census.