Sun Prairie is a city located in Dane County Wisconsin. With a 2020 population of 36,087, it is the 23rd largest city in Wisconsin and the 1089th largest city in the United States . Sun Prairie is currently growing at a rate of 2.02% annually and its population has increased by 22.90% since the most recent census, which recorded a population of 29,364 in 2010. Sun Prairie reached it's highest population of 36,087 in 2021. Spanning over 13 miles, Sun Prairie has a population density of 2,890 people per square mile.
The average household income in Sun Prairie is $88,946 with a poverty rate of 7.10%. The median rental costs in recent years comes to $1,087 per month, and the median house value is $239,200. The median age in Sun Prairie is 36.5 years, 35.5 years for males, and 37.4 years for females.