Onawa is located in Iowa. Onawa, Iowa has a population of 2,849. Onawa is more family-centric than the surrounding county with 30.33% of the households containing married families with children. The county average for households married with children is 26.05%.
The median household income in Onawa, Iowa is $31,089. The median household income for the surrounding county is $41,598 compared to the national median of $57,652. The median age of people living in Onawa is 41.6 years.
The average high temperature in July is 86.5 degrees, with an average low temperature in January of 8.6 degrees. The average rainfall is approximately 30.9 inches per year, with 30.3 inches of snow per year.
