West Allis is located in Wisconsin. West Allis, Wisconsin has a population of 60,220. West Allis is less family-centric than the surrounding county with 24.64% of the households containing married families with children. The county average for households married with children is 25.25%.
The median household income in West Allis, Wisconsin is $58,738. The median household income for the surrounding county is $54,793 compared to the national median of $69,021. The median age of people living in West Allis is 38.2 years.
The average high temperature in July is 83.5 degrees, with an average low temperature in January of 12.4 degrees. The average rainfall is approximately 35.1 inches per year, with 44.6 inches of snow per year.