Garwin is located in Iowa. Garwin, Iowa has a population of 677. Garwin is more family-centric than the surrounding county with 37.75% of the households containing married families with children. The county average for households married with children is 27.2%.
The median household income in Garwin, Iowa is $53,182. The median household income for the surrounding county is $59,794 compared to the national median of $69,021. The median age of people living in Garwin is 43.8 years.
The average high temperature in July is 83.6 degrees, with an average low temperature in January of 9.6 degrees. The average rainfall is approximately 34.9 inches per year, with 30.2 inches of snow per year.
