St. Peters is a city located in St. Charles County, Missouri. St. Peters has a 2025 population of 62,320 . St. Peters is currently growing at a rate of 1.5% annually and its population has increased by 7.99% since the most recent census, which recorded a population of 57,707 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. For every 100 females there are 88.9 males.
Data after 2023 is projected based on recent change
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.
White (85.79%)
Two or more races (5.46%)
Black or African American (5.36%)
Asian (2.41%)
Other race (0.81%)
Native American (0.13%)
Native Hawaiian or Pacific Islander (0.04%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $124,399 | - |
| Families | $110,861 | $125,808 |
| Households | $89,827 | $105,677 |
| Non Families | $49,723 | $66,259 |
Average Income
Median Household Income
Poverty Rate