St. Peters, MO Census Data
The 11th largest city in Missouri by population · 13 cities ranked
St. Peters is the 11th largest city in Missouri by population and ranks 3rd of 13 for median household income. With 58,200 residents, it has a lower poverty rate than 11 other Missouri cities. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · Source: U.S. Census Bureau, ACS 2023
Population
58,200
47.1% male · 52.9% female
Median Age
41.1
2.4 above the national average (38.7 yrs)
Median Household Income
$89,827
$11,289 above the national average ($78,538)
Bachelor's Degree or Higher
39.7%
4.7% above the national average (35.0%)
HS diploma or higher: 96.2%
Poverty Rate
5.1%
7.3% below the national average (12.4%)
Uninsured: 3.9%
Broadband Access
96.7%
7.0% above the national average (89.7%)
Median Home Value
$252,800
Median rent: $1,291 · 81% owner-occupied
Unemployment Rate
2.3%
Labor force participation: 66.7%
Per Capita Income
$49,314
Individual average income (not household)
Veteran Population
7.9%
Disability rate: 13.9%
How St. Peters Compares to Other Missouri Cities
Rankings among all 13 Missouri cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 11th of 13 | Bottom 25% |
| Highest Median Income | 3rd of 13 | Top 25% |
| Lowest Poverty Rate | 2nd of 13 | Top 25% |
| Highest Bachelor's Attainment | 6th of 13 | Top half |
| Highest Home Value | 5th of 13 | Top half |
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
St. Peters, MO Frequently Asked Questions
What is the population of St. Peters, MO?
The population of St. Peters, MO is 58,200 according to the 2023 American Community Survey 5-year estimates. The median age is 41.1 years.
What is the median household income in St. Peters?
The median household income in St. Peters, MO is $89,827, above the national average of $78,538. Per capita income is $49,314.
What is the poverty rate in St. Peters?
The poverty rate in St. Peters, MO is 5.1%, compared to the national average of 12.4%. About 3.9% of residents lack health insurance.
What percentage of St. Peters residents have a college degree?
39.7% of adults (25+) in St. Peters hold a bachelor's degree or higher, and 96.2% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in St. Peters?
The median home value in St. Peters, MO is $252,800. Median rent is $1,291 per month, with 81% of housing units owner-occupied.
What is the racial makeup of St. Peters?
St. Peters's population is 85.8% White, 5.4% Black, 2.8% Hispanic or Latino, and 2.4% Asian (source: 2023 ACS).
How does St. Peters rank among Missouri cities?
St. Peters is the 11th largest city in Missouri by population, the 3rd highest for median household income, the 2nd lowest for poverty rate, the 6th highest for bachelor's degree attainment among 13 ranked Missouri cities.
What is the unemployment rate in St. Peters?
The unemployment rate in St. Peters, MO is 2.3%, with a labor force participation rate of 66.7%. Per capita income is $49,314.
Cities Similar to St. Peters
Other Missouri cities with comparable population and income levels.