Lake Mills Real EstateLake Mills is located in Iowa. Lake Mills, Iowa has a population of 2,049. Lake Mills is more family-centric than the surrounding county with 43.59% of the households containing married families with children. The county average for households married with children is 29.61%. The median household income in Lake Mills, Iowa is $45,060. The median household income for the surrounding county is $50,072 compared to the national median of $57,652. The median age of people living in Lake Mills is 41.6 years. Lake Mills WeatherThe average high temperature in July is 82.2 degrees, with an average low temperature in January of 5.9 degrees. The average rainfall is approximately 34.2 inches per year, with 34.1 inches of snow per year. Lake Mills MapReal estate near Lake MillsNearby CitiesNearby Cities Homes for Sale |