Mohave County, Arizona Mohave County, Arizona Mohave County is in the northwestern corner of the U.S. state of Arizona. As of the 2010 census, its population was 200,186. The county seat is Kingman, and the largest city is Lake Havasu City. Mohave County includes the Lake Havasu City-Kingman, Arizona Metropolitan Statistical Area, which is also included in the Las Vegas-Henderson, Nevada-Arizona Combined Statistical Area. Mohave County contains parts of Grand Canyon National Park and Lake Mead National Recreation Area and all of the Grand Canyon-Parashant National Monument. The Kaibab, Fort Mojave and Hualapai Indian Reservations also lie within the county. Mohave County was
Lake Havasu City, Arizona of the lake along Pittsburgh Point, the peninsula that eventually would be transformed into "the Island". After four years of planning, McCulloch Properties acquired another 13,000 acres of federal land in the surrounding area. Lake Havasu City was established on September 30, 1963, by a resolution of the Mohave County Board of Supervisors as the Lake Havasu Irrigation and Drainage District, making it a legal entity. (The act is referenced in resolution #63-12-1.) The city was incorporated in 1978. London Bridge crosses a narrow channel that leads from Lake Havasu (a segment of the Colorado River) to Thompson Bay (also