Johnston Real Estate
Johnston is located in Iowa. Johnston, Iowa has a population of 22,382. Johnston is more family-centric than the surrounding county with 39% of the households containing married families with children. The county average for households married with children is 32%.
The median household income in Johnston, IA is $79,468. The median household income for the surrounding county is $54,908 compared to the national median of $50,013. The median age of people living in Johnston is 39 years old.
The average high temperature in July is 86 degrees, with an average low temperature in January of 9 degrees. The average rainfall is approximately 33 inches per year.