Peoria is a city located in Illinois. With a 2020 population of 108,194, it is the 8th largest city in Illinois and the 288th largest city in the United States. Peoria is currently declining at a rate of -1.45% annually and its population has decreased by -5.92% since the most recent census, which recorded a population of 115,007 in 2010. Peoria reached it's highest population of 126,963 in 1970. Spanning over 50 miles, Peoria has a population density of 2,254 people per square mile.
The average household income in Peoria is $72,101 with a poverty rate of 20.67%. The median rental costs in recent years comes to $784 per month, and the median house value is $126,400. The median age in Peoria is 34.9 years, 33.5 years for males, and 36.3 years for females. For every 100 females there are 91.6 males.