Niantic Flag

Niantic

County:
Macon County
County Seat:
No
Area (mi²):
1.039
State:
Illinois

Niantic is a village located in Macon County, Illinois. Niantic has a 2026 population of 588. Niantic is currently declining at a rate of 0% annually and its population has decreased by -3.45% since the most recent census, which recorded a population of 609 in 2020.

588
Total Population
566
Density (mi²)

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)