Martelle is located in Iowa. Martelle, Iowa has a population of 392. Martelle is more family-centric than the surrounding county with 31.73% of the households containing married families with children. The county average for households married with children is 25.42%.
The median household income in Martelle, Iowa is $88,438. The median household income for the surrounding county is $63,279 compared to the national median of $69,021. The median age of people living in Martelle is 33.3 years.
The average high temperature in July is 84.3 degrees, with an average low temperature in January of 10.1 degrees. The average rainfall is approximately 37.6 inches per year, with 26.6 inches of snow per year.
