Sunset Hills, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Sunset Hills, Missouri had a total population of 9,112, the 92nd largest city in Missouri, with a median household income of $138,144, which is 95% higher than the state average. The poverty rate is 3.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 95% above the state average — one of the wealthiest communities in Missouri.
- An exceptionally low poverty rate of 3.7% — among the lowest in Missouri.
- 62.4% of adults hold a bachelor's degree or higher — top 10% in Missouri.
Sunset Hills Quick Facts
How Sunset Hills 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 | 9,113 | 9,112 | -0.0% |
| Median household income | $133,895 | $138,144 | +3.2% |
| Median home value | $522,300 | $523,800 | +0.3% |
How Sunset Hills 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+)
Sunset Hills 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 Sunset Hills
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Olivette | 8,645 | $111,660 | $460,800 | 70.3% | 4.3% |
| Ellisville | 10,002 | $113,309 | $366,600 | 59.4% | 4.6% |
| Parkville | 8,366 | $171,271 | $573,500 | 72.0% | 2.0% |
| Richmond Heights | 9,153 | $94,460 | $358,700 | 76.6% | 5.5% |
| Pleasant Hill | 8,847 | $95,602 | $278,400 | 31.7% | 6.0% |
Population Overview
Sunset Hills is a small city located in Missouri, within St. Louis County. The total population is 9,112. It ranks as the 92nd most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Sunset Hills is 51.1 years. This is 31% higher than the state median of 39.0 years. 15.9% 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 Sunset Hills is $138,144. This is 95% higher than the state median of $70,702. It is also 71% higher than the national median of $80,734. The poverty rate stands at 3.7%. This is 71% 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 4.1%. The median home value is $523,800. Housing costs are 127% higher than the state median of $230,300. The home-value-to-income ratio is 3.8x. 82.9% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 68.1%.
Race & Ethnicity
Sunset Hills has a predominantly White (non-Hispanic) population, comprising 91.4% of all residents. Hispanic or Latino residents account for 1.6%. The Black or African American population (1.3%) is well below the state average of 10.9%. The Hispanic or Latino population (1.6%) is well below the state average of 5.2%.
Education
62.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Sunset Hills in the top 10% of all cities in the state for educational attainment. This is 93% 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 96.6%. Notably, 25.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Sunset Hills, 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 Sunset Hills, Missouri?
Sunset Hills, Missouri has a population of 9,112 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Sunset Hills, MO?
The median household income in Sunset Hills is $138,144, which is 71% higher than the national median of $80,734.
What is the poverty rate in Sunset Hills, MO?
The poverty rate in Sunset Hills is 3.7%. This means approximately 322 residents live below the federal poverty line.
What is the racial makeup of Sunset Hills, Missouri?
Sunset Hills's population is 91.4% White, 1.3% Black, 1.6% Hispanic/Latino, and 1.4% Asian.
What is the median home value in Sunset Hills, MO?
The median home value in Sunset Hills is $523,800. The home-value-to-income ratio is 3.8x.
How educated is Sunset Hills, Missouri?
62.4% of adults (25+) in Sunset Hills hold a bachelor's degree or higher, and 25.7% hold a graduate or professional degree.