St. John Flag

St. John

County:
Lake County
County Seat:
No
Area (mi²):
12.739
State:
Indiana

St. John is a town located in Lake County, Indiana. St. John has a 2025 population of 25,729. St. John is currently growing at a rate of 4.23% annually and its population has increased by 25.41% since the most recent census, which recorded a population of 20,516 in 2020.

The average household income in St. John is $154,088 with a poverty rate of 2.29%.The median age in St. John is 41.4 years: 39.9 years for males, and 43.1 years for females.

25.7K
Total Population
2,020
Density (mi²)
1K 4.23%
Growth

St. John Population

Demographics

Economics and Income Statistics

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)