Geneseo Flag

Geneseo

County:
Henry County
County Seat:
No
Area (mi²):
4.711
State:
Illinois

Geneseo is a city located in Henry County, Illinois. Geneseo has a 2026 population of 6,503. Geneseo is currently declining at a rate of -0.21% annually and its population has decreased by -0.61% since the most recent census, which recorded a population of 6,543 in 2020.

6.5K
Total Population
1,380
Density (mi²)
-14 -0.21%
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)