Springfield Flag

Springfield

County:
Sangamon County
County Seat:
Yes
Area (mi²):
61.261
State:
Illinois

Springfield is a city located in Sangamon County, Illinois. Springfield has a 2025 population of 112,592 . It is also the county seat of Sangamon County . Springfield is currently declining at a rate of -0.32% annually and its population has decreased by -1.56% since the most recent census, which recorded a population of 114,375 in 2020.

The average household income in Springfield is $90,206 with a poverty rate of 16.51%. The median age in Springfield is 40.7 years: 38.9 years for males, and 42.3 years for females. For every 100 females there are 93.3 males.

112.6K
Total Population
1,838
Density (mi²)
-357 -0.32%
Growth

Springfield Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)