St. Ann

County:: St. Louis County
County Seat:: No
Area (mi²):: 3.155
State:: Missouri

St. Ann is a city located in St. Louis County, Missouri. St. Ann has a 2025 population of 12,432. St. Ann is currently declining at a rate of -0.9% annually and its population has decreased by -4.34% since the most recent census, which recorded a population of 12,996 in 2020.

The average household income in St. Ann is $60,078 with a poverty rate of 11.96%. The median age in St. Ann is 36.2 years: 34 years for males, and 40.4 years for females.

Demographics

The racial composition of St. Ann includes 62.88% White, 26.44% Black or African American, 3.05% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	8,089	62.88%
Black or African American	3,402	26.44%
Two or more races	742	5.77%
Other race	393	3.05%
Asian	217	1.69%
Native American	22	0.17%
Native Hawaiian or Pacific Islander	0	0%

St. Ann Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Ann's average per capita income is $38,532. Household income levels show a median of $52,059. The poverty rate stands at 11.96%.

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	$81,382	-
Families	$72,235	$72,693
Households	$52,059	$60,078
Non Families	$40,261	$46,215

$38,532

Average Income

$52,059

Median Household Income

11.96%

Poverty Rate