St. Ann Flag

St. Ann

County Seat:
No
Area (mi²):
3.155
State:
Missouri

St. Ann is a city located in St. Louis County, Missouri. St. Ann has a 2026 population of 12,557. St. Ann is currently declining at a rate of -0.58% annually and its population has decreased by -3.39% since the most recent census, which recorded a population of 12,998 in 2020.

The median household income in St. Ann is $52,323 with a poverty rate of 13.02%. The median age in St. Ann is 34.8 years: 32.6 years for males, and 36.8 years for females. For every 100 females there are 97.5 males.

12.6K
Total Population
3,980
Density (mi²)
-73 -0.58%
Growth

St. Ann Population

St. Ann Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202612,557-73-0.58%
202512,630-74-0.58%
202412,704-3-0.02%
202312,707-67-0.52%
202212,774-125-0.97%
202112,899-122-0.94%
202012,9983562.82%
201912,642-45-0.35%
201812,687-63-0.49%
201712,750-67-0.52%
201612,817-108-0.84%
201512,925-27-0.21%
201412,952-24-0.18%
201312,976-29-0.22%
201213,005-11-0.08%
201113,016-4-0.03%
201013,02000%
200013,607-882-6.09%
199014,489-1,034-6.66%
198015,523-2,692-14.78%
197018,2156,06049.86%
196012,1557,598166.73%
19504,55700%

Median Age

Overall: 34.8 years
Female: 36.8 years
Male: 32.6 years

St. Ann Adults

There are 9,789 adults, (2,099 of whom are seniors) in St. Ann.

Sex Ratio

Female: 6,488 (50.6%)
Male: 6,323 (49.4%)

Demographics

The racial composition of St. Ann includes 60.31% White, 24.6% Black or African American, 4.64% other race, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White7,72660.31%
Black or African American3,15124.6%
Two or more races1,0508.2%
Other race5944.64%
Asian2702.11%
Native American200.16%
Race
Population ↓
Percentage (of total)
White6655.19%
Other race5944.64%
Two or more races3822.98%
Black or African American120.09%
Race
Population ↓
Percentage (of total)
White7,06155.12%
Black or African American3,13924.5%
Two or more races6685.21%
Asian2702.11%
Native American200.16%

St. Ann Marital Status

Economics and Income Statistics

St. Ann 's average per capita income is $41,227. Household income levels show a median of $52,323. The poverty rate stands at 13.02%.

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$80,086-
Families$72,399$73,763
Households$52,323$62,975
Non Families$42,979$49,744

$41,227

Average Income

$52,323

Median Household Income

13.02%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)