Plymouth Flag

Plymouth

County:
Hancock County
County Seat:
No
Area (mi²):
0.565
State:
Illinois

Plymouth is a village located in Hancock County, Illinois. Plymouth has a 2026 population of 421. Plymouth is currently declining at a rate of -0.94% annually and its population has decreased by -3% since the most recent census, which recorded a population of 434 in 2020.

421
Total Population
746
Density (mi²)
-4 -0.94%
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)