Cerro Gordo County is a county located in north-central Iowa, United States, with its county seat in Mason City. Established in 1851 and formally organized in 1855, the county was named after the Battle of Cerro Gordo, a significant engagement during the Mexican-American War. The county covers an area of 575 square miles (1,489 km²) and is part of the Mason City Metropolitan Statistical Area. The county government operates through a three-member Board of Supervisors, who are elected to four-year terms. The Board oversees various county departments including public health, law enforcement, taxation, and infrastructure maintenance. Cerro Gordo County provides essential government services to approximately 43,000 residents across its jurisdiction, which encompasses several cities including Mason City, Clear Lake, and Ventura. The county maintains various facilities and departments, including the County Courthouse, Sheriff’s Department, Public Health Department, and numerous administrative offices. It is responsible for maintaining over 940 miles of roads and 220 bridges within its boundaries. The county government also manages property assessment, vital records, elections, and environmental services for its residents. Cerro Gordo County operates under Iowa state laws and regulations, working in conjunction with state and federal agencies to provide governmental services to its constituents.