Machesney Park is a city located in Winnebago County Illinois. With a 2020 population of 22,669, it is the 105th largest city in Illinois and the 1684th largest city in the United States . Machesney Park is currently declining at a rate of -0.02% annually and its population has decreased by -3.53% since the most recent census, which recorded a population of 23,499 in 2010. Machesney Park reached it's highest population of 23,502 in 2010. Spanning over 13 miles, Machesney Park has a population density of 1,787 people per square mile.
The average household income in Machesney Park is $75,539 with a poverty rate of 7.50%. The median rental costs in recent years comes to $956 per month, and the median house value is $120,700. The median age in Machesney Park is 40.8 years, 40.8 years for males, and 40.7 years for females.