St. Ann is a city located in St. Louis County, Missouri. St. Ann has a 2025 population of 12,630. St. Ann is currently declining at a rate of -0.58% annually and its population has decreased by -2.83% since the most recent census, which recorded a population of 12,998 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.
Data after 2023 is projected based on recent change
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 and multiracial populations.
White (62.9%)
Black or African American (26.4%)
Two or more races (5.8%)
Other race (3.0%)
Asian (1.7%)
Native American (0.2%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $81,382 | - |
| Families | $72,235 | $72,693 |
| Households | $52,059 | $60,078 |
| Non Families | $40,261 | $46,215 |
Average Income
Median Household Income
Poverty Rate