North Chicago is a city located in Lake County, Illinois. With a 2020 population of 29,798, it is the 66th largest city in Illinois and the 1295th largest city in the United States. North Chicago is currently growing at a rate of 0.05% annually but its population has decreased by -8.52% since the most recent census, which recorded a population of 32,574 in 2010. North Chicago reached it's highest population of 47,275 in 1970. Spanning over 8 miles, North Chicago has a population density of 3,728 people per square mile.
The average household income in North Chicago is $56,322 with a poverty rate of 22.77%. The median rental costs in recent years comes to $1,145 per month, and the median house value is $106,200. The median age in North Chicago is 24.4 years, 23.5 years for males, and 25.8 years for females. For every 100 females there are 144.9 males.