St Peters

County:: St. Charles County
County Seat:: No
Area (mi²):: 22.479
State:: Missouri

St. Peters is a city located in St. Charles County, Missouri. St. Peters has a 2025 population of 60,549. St. Peters is currently growing at a rate of 0.95% annually and its population has increased by 4.92% since the most recent census, which recorded a population of 57,708 in 2020.

The average household income in St. Peters is $105,677 with a poverty rate of 5.06%. The median age in St. Peters is 41.1 years: 39.4 years for males, and 42.5 years for females.

Demographics

The racial composition of St. Peters includes 85.79% White, 5.36% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	49,929	85.79%
Two or more races	3,176	5.46%
Black or African American	3,120	5.36%
Asian	1,403	2.41%
Other race	474	0.81%
Native American	77	0.13%
Native Hawaiian or Pacific Islander	21	0.04%

St. Peters Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Peters' average per capita income is $57,856. Household income levels show a median of $89,827. The poverty rate stands at 5.06%.

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	$124,399	-
Families	$110,861	$125,808
Households	$89,827	$105,677
Non Families	$49,723	$66,259

$57,856

Average Income

$89,827

Median Household Income

5.06%

Poverty Rate