Springfield is a city located in Illinois. With a 2020 population of 112,990, it is the 6th largest city in Illinois and the 267th largest city in the United States. Springfield is currently declining at a rate of -0.75% annually and its population has decreased by -2.80% since the most recent census, which recorded a population of 116,250 in 2010. Springfield reached it's highest population of 117,930 in 2012. Spanning over 67 miles, Springfield has a population density of 1,854 people per square mile.
The average household income in Springfield is $75,852 with a poverty rate of 19.65%. The median rental costs in recent years comes to $789 per month, and the median house value is $127,500. The median age in Springfield is 39 years, 36.7 years for males, and 41.3 years for females. For every 100 females there are 90.0 males.