St. Johns Flag

St. Johns

County:
Jackson County
County Seat:
No
Area (mi²):
0.725
State:
Illinois

St. Johns is a village located in Jackson County, Illinois. St. Johns has a 2026 population of 154. St. Johns is currently declining at a rate of -0.65% annually and its population has decreased by -4.94% since the most recent census, which recorded a population of 162 in 2020.

The median household income in St. Johns is $62,500 with a poverty rate of 14.44%. The median age in St. Johns is 46.4 years: 46.4 years for males, and 46.5 years for females. For every 100 females there are 102.2 males.

154
Total Population
212
Density (mi²)
-1 -0.65%
Growth

St. Johns Population

St. Johns Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026154-1-0.65%
2025155-2-1.27%
2024157-2-1.26%
202315900%
2022159-3-1.85%
202116200%
202016200%
2019210-1-0.47%
201821100%
2017211-2-0.94%
201621310.47%
2015212-1-0.47%
2014213-2-0.93%
2013215-2-0.92%
2012217-2-0.91%
201121900%
201021900%

Median Age

Overall: 46.4 years
Female: 46.5 years
Male: 46.4 years

St. Johns Adults

There are 156 adults, (29 of whom are seniors) in St. Johns.

Sex Ratio

Female: 91 (49.5%)
Male: 93 (50.5%)

Demographics

The racial composition of St. Johns includes 79.89% White, 9.24% Asian, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White14779.89%
Two or more races1910.33%
Asian179.24%
Native American10.54%
Race
Population ↓
Percentage (of total)
White73.8%
Race
Population ↓
Percentage (of total)
White14076.09%
Two or more races1910.33%
Asian179.24%
Native American10.54%

St. Johns Marital Status

Economics and Income Statistics

St. Johns ' average per capita income is $36,932. Household income levels show a median of $62,500. The poverty rate stands at 14.44%.

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$83,906-
Families$82,656$77,563
Households$62,500$66,440
Non Families$40,972$48,435

$36,932

Average Income

$62,500

Median Household Income

14.44%

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)