Onalaska is located in Wisconsin. Onalaska, Wisconsin has a population of 18,452. Onalaska is less family-centric than the surrounding county with 31.97% of the households containing married families with children. The county average for households married with children is 32.25%.
The median household income in Onalaska, Wisconsin is $56,550. The median household income for the surrounding county is $54,127 compared to the national median of $57,652. The median age of people living in Onalaska is 41.5 years.
The average high temperature in July is 84.1 degrees, with an average low temperature in January of 8.9 degrees. The average rainfall is approximately 34.3 inches per year, with 43.3 inches of snow per year.
