St. Paul, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, St. Paul, Missouri had a total population of 3,456, the 188th largest city in Missouri, with a median household income of $159,022, which is 125% higher than the state average. The poverty rate is 0.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 125% above the state average — one of the wealthiest communities in Missouri.
- An exceptionally low poverty rate of 0.5% — among the lowest in Missouri.
- 42.6% of adults hold a bachelor's degree or higher — top 10% in Missouri.
- Near full employment with an unemployment rate of just 0.5%.
St. Paul Quick Facts
How St. Paul Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 3,292 | 3,456 | +5.0% |
| Median household income | $154,022 | $159,022 | +3.2% |
| Median home value | $421,900 | $443,600 | +5.1% |
How St. Paul Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 40 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Paul Rankings in Missouri
Explore Missouri Rankings
Other Cities in St. Charles County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| O'Fallon | 93,801 | $110,443 | 5.4% | $326,200 |
| St. Charles | 71,508 | $85,937 | 7.3% | $298,700 |
| St. Peters | 59,092 | $91,637 | 5.7% | $269,900 |
| Wentzville | 47,061 | $112,394 | 5.4% | $331,300 |
| Lake St. Louis | 18,066 | $125,693 | 4.3% | $405,900 |
| Dardenne Prairie | 13,503 | $152,500 | 1.3% | $432,000 |
| Cottleville | 5,937 | $131,310 | 2.0% | $435,400 |
| Weldon Spring | 5,310 | $158,548 | 0.7% | $544,300 |
| Foristell | 1,096 | $116,581 | 1.7% | $431,700 |
| Josephville | 664 | $107,708 | 18.1% | $494,600 |
Cities Similar to St. Paul
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Frontenac | 3,701 | $233,425 | $979,800 | 80.0% | 2.0% |
| Byrnes Mill | 3,189 | $98,576 | $306,200 | 24.4% | 21.1% |
| Lake Lotawana | 2,442 | $165,962 | $564,100 | 62.7% | 2.3% |
| Hillsboro | 3,500 | $77,500 | $221,200 | 15.5% | 11.7% |
| Weatherby Lake | 2,401 | $152,500 | $533,000 | 64.6% | 3.4% |
Population Overview
St. Paul is a small community located in Missouri, within St. Charles County. The total population is 3,456. It ranks as the 188th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in St. Paul is 43.5 years. This is 12% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in St. Paul is $159,022. This is 125% higher than the state median of $70,702. It is also 97% higher than the national median of $80,734. The poverty rate stands at 0.5%. This is 96% lower than the state poverty rate of 12.6%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.5%. This is 87% lower than the state rate of 4.0%. The median home value is $443,600. Housing costs are 93% higher than the state median of $230,300. With a home-value-to-income ratio of just 2.8x, St. Paul is one of the most affordable housing markets in the area. 98.8% of occupied housing units are owner-occupied. This homeownership rate is 45% higher than the state average of 68.1%.
Race & Ethnicity
St. Paul has a predominantly White (non-Hispanic) population, comprising 92.1% of all residents. Black or African American residents account for 1.7%. The Black or African American population (1.7%) is well below the state average of 10.9%. The Hispanic or Latino population (1.2%) is well below the state average of 5.2%. The Asian population (0.2%) is well below the state average of 2.1%.
Education
42.6% of residents aged 25 and older hold a bachelor's degree or higher. This places St. Paul in the top 10% of all cities in the state for educational attainment. This is 32% higher than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.1%. Notably, 16.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for St. Paul, Missouri is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of St. Paul, Missouri?
St. Paul, Missouri has a population of 3,456 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Paul, MO?
The median household income in St. Paul is $159,022, which is 97% higher than the national median of $80,734.
What is the poverty rate in St. Paul, MO?
The poverty rate in St. Paul is 0.5%. This means approximately 18 residents live below the federal poverty line.
What is the racial makeup of St. Paul, Missouri?
St. Paul's population is 92.1% White, 1.7% Black, 1.2% Hispanic/Latino, and 0.2% Asian.
What is the median home value in St. Paul, MO?
The median home value in St. Paul is $443,600. The home-value-to-income ratio is 2.8x.
How educated is St. Paul, Missouri?
42.6% of adults (25+) in St. Paul hold a bachelor's degree or higher, and 16.5% hold a graduate or professional degree.