St Charles is located in Iowa. St Charles, Iowa has a population of 760. St Charles is more family-centric than the surrounding county with 37.1% of the households containing married families with children. The county average for households married with children is 36.27%.
The median household income in St Charles, Iowa is $69,107. The median household income for the surrounding county is $60,077 compared to the national median of $57,652. The median age of people living in St Charles is 40 years.
The average high temperature in July is 84.7 degrees, with an average low temperature in January of 11.9 degrees. The average rainfall is approximately 36.2 inches per year, with 27.9 inches of snow per year.
