King of Prussia is a city located in Pennsylvania. King of Prussia has a 2020 population of 20,428. King of Prussia is currently declining at a rate of 0.00% annually and its population has increased by 2.47% since the most recent census, which recorded a population of 19,936 in 2010. King of Prussia reached it's highest population of 20,428 in 2018.
The average household income in King of Prussia is $111,097 with a poverty rate of 4.02%. The median rental costs in recent years comes to $1,400 per month, and the median house value is $308,900. The median age in King of Prussia is 37.7 years, 37.1 years for males, and 38.6 years for females. For every 100 females there are 98.9 males.