Sappington, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Sappington, Missouri had a total population of 7,367, the 115th largest community in Missouri, with a median household income of $77,650, which is 10% higher than the state average. The poverty rate is 3.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- An exceptionally low poverty rate of 3.9% — among the lowest in Missouri.
- 46.4% of adults hold a bachelor's degree or higher — top 10% in Missouri.
Sappington Quick Facts
How Sappington 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 | 6,882 | 7,367 | +7.0% |
| Median household income | $72,213 | $77,650 | +7.5% |
| Median home value | $284,700 | $297,600 | +4.5% |
How Sappington 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+)
Sappington Rankings in Missouri
Explore Missouri Rankings
Other Cities in St. Louis County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Florissant | 51,773 | $65,318 | 10.1% | $148,800 |
| Chesterfield | 49,574 | $133,037 | 3.9% | $472,500 |
| Oakville | 35,333 | $106,362 | 6.4% | $318,600 |
| Wildwood | 35,133 | $161,060 | 2.2% | $495,800 |
| University City | 34,685 | $80,694 | 14.5% | $306,700 |
| Ballwin | 31,279 | $124,626 | 4.8% | $377,100 |
| Mehlville | 29,805 | $67,071 | 7.8% | $218,400 |
| Kirkwood | 29,363 | $121,270 | 5.3% | $451,400 |
| Maryland Heights | 27,880 | $86,436 | 4.7% | $227,000 |
| Hazelwood | 25,114 | $55,908 | 15.9% | $167,400 |
Cities Similar to Sappington
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Marshfield | 7,696 | $67,642 | $204,700 | 19.0% | 18.1% |
| Black Jack | 6,589 | $78,331 | $193,000 | 32.2% | 5.0% |
| Pacific | 7,475 | $62,860 | $249,300 | 21.3% | 5.5% |
| Valley Park | 6,795 | $67,898 | $251,000 | 43.9% | 9.8% |
| Murphy | 8,285 | $72,233 | $184,700 | 22.4% | 10.2% |
Population Overview
Sappington is a small city located in Missouri, within St. Louis County. The total population is 7,367. It ranks as the 115th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Sappington is 41.9 years. This is 7% higher than the state median of 39.0 years. 10.9% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Sappington is $77,650. This is 10% higher than the state median of $70,702. It is also 4% lower than the national median of $80,734. The poverty rate stands at 3.9%. This is 69% 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 3.9%. This is 3% lower than the state rate of 4.0%. The median home value is $297,600. Housing costs are 29% higher than the state median of $230,300. The home-value-to-income ratio is 3.8x. 74.5% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 68.1%.
Race & Ethnicity
Sappington has a predominantly White (non-Hispanic) population, comprising 92.1% of all residents. Hispanic or Latino residents account for 2.4%. The Black or African American population (0.5%) is well below the state average of 10.9%. The Hispanic or Latino population (2.4%) is well below the state average of 5.2%.
Education
46.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Sappington in the top 10% of all cities in the state for educational attainment. This is 43% 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 96.5%. Notably, 15.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Sappington, 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 Sappington, Missouri?
Sappington, Missouri has a population of 7,367 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Sappington, MO?
The median household income in Sappington is $77,650, which is 4% lower than the national median of $80,734.
What is the poverty rate in Sappington, MO?
The poverty rate in Sappington is 3.9%. This means approximately 289 residents live below the federal poverty line.
What is the racial makeup of Sappington, Missouri?
Sappington's population is 92.1% White, 0.5% Black, 2.4% Hispanic/Latino, and 1.9% Asian.
What is the median home value in Sappington, MO?
The median home value in Sappington is $297,600. The home-value-to-income ratio is 3.8x.
How educated is Sappington, Missouri?
46.4% of adults (25+) in Sappington hold a bachelor's degree or higher, and 15.0% hold a graduate or professional degree.