Middleton is a city located in Wisconsin. With a 2020 population of 21,018, it is the 37th largest city in Wisconsin and the 1779th largest city in the United States. Middleton is currently growing at a rate of 3.02% annually and its population has increased by 20.50% since the most recent census, which recorded a population of 17,442 in 2010. Spanning over 9 miles, Middleton has a population density of 2,354 people per square mile.
The average household income in Middleton is $105,870 with a poverty rate of 6.04%. The median rental costs in recent years comes to $1,051 per month, and the median house value is $326,100. The median age in Middleton is 39.2 years, 37.3 years for males, and 41.9 years for females. For every 100 females there are 97.3 males.