Decatur City is located in Iowa. Decatur City, Iowa has a population of 196. Decatur City is more family-centric than the surrounding county with 33.93% of the households containing married families with children. The county average for households married with children is 29.29%.
The median household income in Decatur City, Iowa is $43,269. The median household income for the surrounding county is $41,042 compared to the national median of $57,652. The median age of people living in Decatur City is 40.7 years.
The average high temperature in July is 85.1 degrees, with an average low temperature in January of 15.3 degrees. The average rainfall is approximately 37.6 inches per year, with 23.8 inches of snow per year.