Duncombe Real EstateDuncombe is located in Iowa. Duncombe, Iowa has a population of 313. Duncombe is less family-centric than the surrounding county with 21.8% of the households containing married families with children. The county average for households married with children is 27.14%. The median household income in Duncombe, Iowa is $35,536. The median household income for the surrounding county is $42,148 compared to the national median of $57,652. The median age of people living in Duncombe is 47.1 years. Duncombe WeatherThe average high temperature in July is 83.9 degrees, with an average low temperature in January of 7.6 degrees. The average rainfall is approximately 35.1 inches per year, with 31.9 inches of snow per year. Duncombe MapReal estate near DuncombeNearby CitiesNearby Cities Homes for Sale |