St. John Flag

St. John

County:
Lake County
County Seat:
No
Area (mi²):
39.252
State:
Indiana

St. John is located in Lake County, Indiana. St. John has a 2025 population of 72,014. St. John is currently growing at a rate of 0.7% annually and its population has increased by 4.19% since the most recent census, which recorded a population of 69,119 in 2020.

The average household income in St. John is $124,740 with a poverty rate of 6.02%.The median age in St. John is 44 years: 42.6 years for males, and 45.5 years for females.

72K
Total Population
1,835
Density (mi²)
502 0.7%
Growth

St. John Population

St. John Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. John includes 80.78% White, 5.2% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.

Population by Race

White (80.8%)

Two or more races (9.1%)

Black or African American (5.2%)

Asian (2.5%)

Other race (2.3%)

Native American (0.2%)

Race
Population
Percentage (of total)
White56,37680.78%
Two or more races6,3389.08%
Black or African American3,6285.2%
Asian1,7452.5%
Other race1,5732.25%
Native American1290.18%

St. John Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. John's average per capita income is $61,203. Household income levels show a median of $98,967. The poverty rate stands at 6.02%.

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$129,435-
Families$116,243$141,961
Households$98,967$124,740
Non Families$57,188$71,759

$61,203

Average Income

$98,967

Median Household Income

6.02%

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)