Dougherty is a city in Cerro Gordo County, Iowa, United States. The population was 62 at the 2020 census. It is part of the Mason City Mi…Dougherty is a city in Cerro Gordo County, Iowa, United States. The population was 62 at the 2020 census. It is part of the Mason City Micropolitan Statistical Area. A post office called Dougherty has been in operation since 1900. Dougherty was named for a local farmer, whose relatives still live.