Dedham 51440 Real EstateDedham is located in Iowa. Dedham, Iowa 51440has a population of 275. Dedham 51440 is more family-centric than the surrounding county with 34.07% of the households containing married families with children. The county average for households married with children is 30.83%. The median household income in Dedham, Iowa 51440 is $50,417. The median household income for the surrounding county is $54,563 compared to the national median of $57,652. The median age of people living in Dedham 51440 is 31.6 years. Dedham WeatherThe average high temperature in July is 84.4 degrees, with an average low temperature in January of 9.8 degrees. The average rainfall is approximately 34.5 inches per year, with 29.2 inches of snow per year. Dedham MapReal estate near DedhamNearby CitiesNearby Cities Homes for Sale |