West Allis is a city located in Wisconsin. With a 2020 population of 60,850, it is the 11th largest city in Wisconsin and the 630th largest city in the United States . West Allis is currently growing at a rate of 0.80% annually and its population has increased by 0.73% since the most recent census, which recorded a population of 60,411 in 2010. West Allis reached it's highest population of in . Spanning over 11 miles, West Allis has a population density of 5,347 people per square mile.
The average household income in West Allis is $62,101 with a poverty rate of 11.87%. The median rental costs in recent years comes to $845 per month, and the median house value is $146,100. The median age in West Allis is 37.9 years, 36.8 years for males, and 39.5 years for females.