St. Jacob

County:: Madison County
County Seat:: No
Area (mi²):: 0.847
State:: Illinois

St. Jacob is a village located in Madison County, Illinois. St. Jacob has a 2025 population of 1,365. St. Jacob is currently declining at a rate of -0.15% annually and its population has decreased by -0.66% since the most recent census, which recorded a population of 1,374 in 2020.

The average household income in St. Jacob is $108,629 with a poverty rate of 2.85%.The median age in St. Jacob is 33.7 years: 33.8 years for males, and 33.6 years for females.

Demographics

The racial composition of St. Jacob includes 93.32% White, 3.71% other race, and smaller percentages for Two or more races, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,509	93.32%
Other race	60	3.71%
Two or more races	42	2.6%
Asian	6	0.37%

St. Jacob Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Jacob's average per capita income is $61,715. Household income levels show a median of $107,188. The poverty rate stands at 2.85%.

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	$118,315	-
Families	$117,636	$121,047
Households	$107,188	$108,629
Non Families	$35,250	$53,498

$61,715

Average Income

$107,188

Median Household Income

2.85%

Poverty Rate