Galesburg Flag

Galesburg

County:
Knox County
County Seat:
Yes
Area (mi²):
17.76
State:
Illinois

Galesburg is a city located in Knox County, Illinois. Galesburg has a 2026 population of 29,289. It is also the county seat of Knox County. Galesburg is currently growing at a rate of 0.1% annually but its population has decreased by -2.18% since the most recent census, which recorded a population of 29,942 in 2020.

29.3K
Total Population
1,649
Density (mi²)
29 0.1%
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)