Marshalltown is located in Iowa. Marshalltown, Iowa has a population of 26,497. Marshalltown is more family-centric than the surrounding county with 30% households with children. The county percentage for households with children is 29%.
The median household income in Marshalltown, Iowa is $53,681. The median household income for the surrounding county is $58,382 compared to the national median of $66,222. The median age of people living in Marshalltown is 38.9 years.
The average high temperature in July is 84.4 degrees, with an average low temperature in January of 7.1 degrees. The annual precipitation is 36.4.