St. John township Flag

St. John township

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

St. John township is located in Lake County, Indiana. St. John township has a 2026 population of 72,709. St. John township is currently growing at a rate of 0.78% annually and its population has increased by 5.17% since the most recent census, which recorded a population of 69,137 in 2020.

The median household income in St. John township is $103,035 with a poverty rate of 5.85%. The median age in St. John township is 44.6 years: 43.9 years for males, and 45.2 years for females. For every 100 females there are 93.0 males.

72.7K
Total Population
1,852
Density (mi²)
564 0.78%
Growth

St. John township Population

St. John township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202672,7095640.78%
202572,1455640.79%
202471,5815640.79%
202371,0174420.63%
202270,5757861.13%
202169,7896520.94%
202069,1371290.19%
201968,5267131.05%
201867,8136871.02%
201767,1261750.26%
201666,951250.04%
201566,926-120-0.18%
201467,0462240.34%
201366,822450.07%
201266,777-74-0.11%
201166,8511100.16%
201066,746420.06%

Median Age

Overall: 44.6 years
Female: 45.2 years
Male: 43.9 years

St. John township Adults

There are 55,829 adults, (15,005 of whom are seniors) in St. John township.

Sex Ratio

Female: 36,484 (51.8%)
Male: 33,945 (48.2%)

Demographics

The racial composition of St. John township includes 78.97% White, 4.84% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White55,61778.97%
Two or more races7,57610.76%
Black or African American3,4084.84%
Other race2,0412.9%
Asian1,5062.14%
Native American2810.4%
Race
Population ↓
Percentage (of total)
Two or more races5,7628.18%
White2,1373.03%
Other race1,4642.08%
Native American2430.35%
Black or African American1360.19%
Race
Population ↓
Percentage (of total)
White53,48075.93%
Black or African American3,2724.65%
Two or more races1,8142.58%
Asian1,5062.14%
Other race5770.82%
Native American380.05%

St. John township Marital Status

Economics and Income Statistics

St. John township 's average per capita income is $66,221. Household income levels show a median of $103,035. The poverty rate stands at 5.85%.

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$131,457-
Families$120,040$144,671
Households$103,035$126,791
Non Families$54,921$74,146

$66,221

Average Income

$103,035

Median Household Income

5.85%

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)