ake Havasu City was incorporated in 1978 under the laws of the State of Arizona. The City has an elected Mayor and six Council members who serve staggered four year terms. The Council hires a City Manager who serves as the Chief Administrative Officer.

Law enforcement is provided by the City Police Department and deputies of the Mohave County Sheriff's Department. Firm but fair law enforcement policies have produced an extremely low crime rate. The Lake Havasu City Fire Department provides protection from four permanent stations and a temporary station at the airport. Their efforts are recognized throughout Arizona and have resulted in an excellent insurance Protection Class Rating; far superior to most of rural Arizona.

A City Magistrate Court and a branch of the County Court System are located in Lake Havasu City.

Lake Havasu City is part of Mohave County and is represented by one of the three County Supervisors.