Millstadt

County:: St. Clair County
County Seat:: No
Area (mi²):: 3.506
State:: Illinois

Millstadt is a village located in St. Clair County, Illinois. Millstadt has a 2025 population of 3,861. Millstadt is currently declining at a rate of -1.05% annually and its population has decreased by -5.02% since the most recent census, which recorded a population of 4,065 in 2020.

The average household income in Millstadt is $118,293 with a poverty rate of 7.9%. The median age in Millstadt is 46.3 years: 45.6 years for males, and 46.8 years for females.

Demographics

The racial composition of Millstadt includes 94.87% White, and smaller percentages for Native American, other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Native American

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,807	94.87%
Two or more races	121	3.02%
Native American	55	1.37%
Other race	30	0.75%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Millstadt Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Millstadt's average per capita income is $73,709. Household income levels show a median of $94,536. The poverty rate stands at 7.9%.

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	$122,121	-
Families	$114,244	$124,364
Households	$94,536	$118,293
Non Families	$44,722	$101,061

$73,709

Average Income

$94,536

Median Household Income

7.9%

Poverty Rate