New Haven Flag

New Haven

County:
Gallatin County
County Seat:
No
Area (mi²):
1.244
State:
Illinois

New Haven is a village located in Gallatin County, Illinois. New Haven has a 2026 population of 379. New Haven is currently declining at a rate of -0.52% annually and its population has decreased by -4.77% since the most recent census, which recorded a population of 398 in 2020.

379
Total Population
305
Density (mi²)
-2 -0.52%
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)