St. Jacob Flag

St. Jacob

County:
Madison County
County Seat:
No
Area (mi²):
0.847
State:
Illinois

St. Jacob is a village located in Madison County, Illinois. St. Jacob has a 2026 population of 1,368. St. Jacob is currently declining at a rate of -0.29% annually and its population has decreased by -0.51% since the most recent census, which recorded a population of 1,375 in 2020.

1.4K
Total Population
1,616
Density (mi²)
-4 -0.29%
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)