Peoria Flag

Peoria

County:
Peoria County
County Seat:
Yes
Area (mi²):
48.125
State:
Illinois

Peoria is a city located in Peoria County, Illinois. Peoria has a 2026 population of 111,696. It is also the county seat of Peoria County. Peoria is currently growing at a rate of 0.45% annually but its population has decreased by -1.1% since the most recent census, which recorded a population of 112,942 in 2020.

111.7K
Total Population
2,321
Density (mi²)
501 0.45%
Growth

Nearby Cities

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)