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 2025 population of 2,869. St. Jacob township is currently declining at a rate of -0.1% annually and its population has decreased by -0.8% since the most recent census, which recorded a population of 2,892 in 2020.

The average household income in St. Jacob township is $130,697 with a poverty rate of 2.05%. The median age in St. Jacob township is 34.5 years: 33.8 years for males, and 35.9 years for females.

Demographics

The racial composition of St. Jacob township includes 95.42% White, and smaller percentages for Two or more races, other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,751	95.42%
Two or more races	66	2.29%
Other race	60	2.08%
Asian	6	0.21%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

St. Jacob township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Jacob township's average per capita income is $67,829. Household income levels show a median of $116,324. The poverty rate stands at 2.05%.

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	$127,303	-
Families	$124,375	$148,089
Households	$116,324	$130,697
Non Families	$29,432	$43,831

$67,829

Average Income

$116,324

Median Household Income

2.05%

Poverty Rate