Swan is located in Iowa. Swan, Iowa has a population of 49. Swan is less family-centric than the surrounding county with 0% of the households containing married families with children. The county average for households married with children is 36.97%.
The median household income in Swan, Iowa is $82,500. The median household income for the surrounding county is $66,822 compared to the national median of $69,021. The median age of people living in Swan is 47.6 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 36.7 inches per year, with 30 inches of snow per year.