St. John Flag

St. John

County:
Lake County
County Seat:
No
Area (mi²):
13.009
State:
Indiana

St. John is a town located in Lake County, Indiana. St. John has a 2026 population of 26,114. St. John is currently growing at a rate of 3.7% annually and its population has increased by 27.25% since the most recent census, which recorded a population of 20,522 in 2020.

The median household income in St. John is $131,467 with a poverty rate of 2.15%. The median age in St. John is 42.3 years: 42 years for males, and 42.9 years for females. For every 100 females there are 104.1 males.

26.1K
Total Population
2,007
Density (mi²)
932 3.7%
Growth

St. John Population

St. John Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202626,1149323.7%
202525,1829323.84%
202424,2506212.63%
202323,6297963.49%
202222,8331,3076.07%
202121,5261,2045.92%
202020,5221,7209.15%
201918,8028224.57%
201817,9808504.96%
201717,1304282.56%
201616,7023081.88%
201516,3943191.98%
201416,0754723.03%
201315,6033422.24%
201215,2611440.95%
201115,1172441.64%
201014,873230.15%
20008,3823,46170.33%
19904,92194723.83%
19803,97400%

Median Age

Overall: 42.3 years
Female: 42.9 years
Male: 42 years

St. John Adults

There are 17,116 adults, (4,290 of whom are seniors) in St. John.

Sex Ratio

Female: 11,056 (49%)
Male: 11,511 (51%)

Demographics

The racial composition of St. John includes 82.45% White, 4.97% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White18,60782.45%
Two or more races1,8348.13%
Other race1,1214.97%
Black or African American5202.3%
Asian4592.03%
Native American260.12%
Race
Population ↓
Percentage (of total)
Two or more races1,5726.97%
White8413.73%
Other race6482.87%
Native American100.04%
Race
Population ↓
Percentage (of total)
White17,76678.73%
Black or African American5202.3%
Other race4732.1%
Asian4592.03%
Two or more races2621.16%
Native American160.07%

St. John Marital Status

Economics and Income Statistics

St. John 's average per capita income is $82,199. Household income levels show a median of $131,467. The poverty rate stands at 2.15%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$159,097-
Families$155,574$171,534
Households$131,467$158,173
Non Families$52,261$86,481

$82,199

Average Income

$131,467

Median Household Income

2.15%

Poverty Rate

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)