Garnavillo is located in Iowa. Garnavillo, Iowa has a population of 864. Garnavillo is more family-centric than the surrounding county with 26.34% of the households containing married families with children. The county average for households married with children is 26.31%.
The median household income in Garnavillo, Iowa is $50,625. The median household income for the surrounding county is $51,114 compared to the national median of $57,652. The median age of people living in Garnavillo is 45.4 years.
The average high temperature in July is 84.1 degrees, with an average low temperature in January of 11 degrees. The average rainfall is approximately 35.7 inches per year, with 33.6 inches of snow per year.
