Cromwell Real EstateCromwell is located in Iowa. Cromwell, Iowa has a population of 103. Cromwell is more family-centric than the surrounding county with 44.83% of the households containing married families with children. The county average for households married with children is 31.16%. The median household income in Cromwell, Iowa is $53,125. The median household income for the surrounding county is $47,597 compared to the national median of $57,652. The median age of people living in Cromwell is 45.5 years. Cromwell WeatherThe average high temperature in July is 84.5 degrees, with an average low temperature in January of 11.6 degrees. The average rainfall is approximately 35.9 inches per year, with 27 inches of snow per year. Cromwell MapReal estate near CromwellNearby CitiesNearby Cities Homes for Sale |