Walnut is located in Iowa. Walnut, Iowa has a population of 673. Walnut is less family-centric than the surrounding county with 24.49% of the households containing married families with children. The county average for households married with children is 27.41%.
The median household income in Walnut, Iowa is $46,250. The median household income for the surrounding county is $56,291 compared to the national median of $57,652. The median age of people living in Walnut is 54.4 years.
The average high temperature in July is 85.9 degrees, with an average low temperature in January of 9.7 degrees. The average rainfall is approximately 34.8 inches per year, with 26.6 inches of snow per year.
