Mason City Real EstateMason City is located in Iowa. Mason City, Iowa has a population of 27,453. Mason City is more family-centric than the surrounding county with 27.99% of the households containing married families with children. The county average for households married with children is 27.39%. The median household income in Mason City, Iowa is $47,273. The median household income for the surrounding county is $50,569 compared to the national median of $57,652. The median age of people living in Mason City is 42.7 years. Mason City WeatherThe average high temperature in July is 82 degrees, with an average low temperature in January of 6.4 degrees. The average rainfall is approximately 35.1 inches per year, with 41.2 inches of snow per year. Mason City MapReal estate near Mason CityNearby CitiesNearby Cities Homes for Sale |