West Peoria is a city located in Illinois. With a 2020 population of 4,363, it is the 355th largest city in Illinois and the 5164th largest city in the United States . West Peoria is currently declining at a rate of -1.04% annually and its population has decreased by -2.13% since the most recent census, which recorded a population of 4,458 in 2010. West Peoria reached it's highest population of 4,762 in 2000. Spanning over 2 miles, West Peoria has a population density of 2,082 people per square mile.
The average household income in West Peoria is $62,527 with a poverty rate of 15.47%. The median rental costs in recent years comes to $756 per month, and the median house value is $88,700. The median age in West Peoria is 40.9 years, 39.8 years for males, and 42.9 years for females.