St. Jacob township Flag

St. Jacob township

County:
Madison County
County Seat:
No
Area (mi²):
35.806
State:
Illinois

St. Jacob township is located in Madison County, Illinois. St. Jacob township has a 2026 population of 2,862. St. Jacob township is currently declining at a rate of -0.21% annually and its population has decreased by -1.04% since the most recent census, which recorded a population of 2,892 in 2020.

The median household income in St. Jacob township is $120,975 with a poverty rate of 2.92%. The median age in St. Jacob township is 34.4 years: 33.9 years for males, and 35.4 years for females. For every 100 females there are 94.5 males.

2.9K
Total Population
80
Density (mi²)
-6 -0.21%
Growth

St. Jacob township Population

St. Jacob township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,862-6-0.21%
20252,868-6-0.21%
20242,874-6-0.21%
20232,88000%
20222,88010.03%
20212,879-13-0.45%
20202,89210.03%
20192,735220.81%
20182,713291.08%
20172,684110.41%
20162,673491.87%
20152,624220.85%
20142,60270.27%
20132,59540.15%
20122,591120.47%
20112,57910.04%
20102,57660.23%

Median Age

Overall: 34.4 years
Female: 35.4 years
Male: 33.9 years

St. Jacob township Adults

There are 1,961 adults, (292 of whom are seniors) in St. Jacob township.

Sex Ratio

Female: 1,479 (51.4%)
Male: 1,398 (48.6%)

Demographics

The racial composition of St. Jacob township includes 94.68% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,72494.68%
Two or more races963.34%
Other race571.98%
Race
Population ↓
Percentage (of total)
White361.25%
Two or more races80.28%
Other race20.07%
Race
Population ↓
Percentage (of total)
White2,68893.43%
Two or more races883.06%
Other race551.91%

St. Jacob township Marital Status

Economics and Income Statistics

St. Jacob township 's average per capita income is $67,938. Household income levels show a median of $120,975. The poverty rate stands at 2.92%.

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$132,083-
Families$126,838$151,808
Households$120,975$133,795
Non Families-$67,407

$67,938

Average Income

$120,975

Median Household Income

2.92%

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)