Oakville, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Oakville, Missouri had a total population of 35,333, the 18th largest community in Missouri, with a median household income of $106,362, which is 50% higher than the state average. The poverty rate is 6.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 50% above the state average — one of the wealthiest communities in Missouri.
- 44.1% of adults hold a bachelor's degree or higher — top 10% in Missouri.
Oakville Quick Facts
How Oakville 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 | 35,166 | 35,333 | +0.5% |
| Median household income | $103,125 | $106,362 | +3.1% |
| Median home value | $292,500 | $318,600 | +8.9% |
How Oakville 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+)
Oakville 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 |
| 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 |
| Webster Groves | 23,712 | $115,227 | 4.2% | $387,600 |
Cities Similar to Oakville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| University City | 34,685 | $80,694 | $306,700 | 64.9% | 14.5% |
| Ballwin | 31,279 | $124,626 | $377,100 | 65.2% | 4.8% |
| Wildwood | 35,133 | $161,060 | $495,800 | 68.8% | 2.2% |
| Liberty | 30,689 | $88,542 | $283,300 | 39.6% | 7.0% |
| Kirkwood | 29,363 | $121,270 | $451,400 | 67.9% | 5.3% |
Population Overview
Oakville is a mid-sized community located in Missouri, within St. Louis County. The total population is 35,333. It ranks as the 18th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Oakville is 45.1 years. This is 16% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Oakville is $106,362. This is 50% higher than the state median of $70,702. It is also 32% higher than the national median of $80,734. The poverty rate stands at 6.4%. This is 49% lower than the state poverty rate of 12.6%. The unemployment rate is 4.0%. The median home value is $318,600. Housing costs are 38% higher than the state median of $230,300. The home-value-to-income ratio is 3.0x. 86.0% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 68.1%.
Race & Ethnicity
Oakville has a predominantly White (non-Hispanic) population, comprising 88.5% of all residents. Hispanic or Latino residents account for 2.9%. The Black or African American population (2.3%) is well below the state average of 10.9%.
Education
44.1% of residents aged 25 and older hold a bachelor's degree or higher. This places Oakville in the top 10% of all cities in the state for educational attainment. This is 36% 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 96.1%. Notably, 16.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Oakville, 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 Oakville, Missouri?
Oakville, Missouri has a population of 35,333 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Oakville, MO?
The median household income in Oakville is $106,362, which is 32% higher than the national median of $80,734.
What is the poverty rate in Oakville, MO?
The poverty rate in Oakville is 6.4%. This means approximately 2,241 residents live below the federal poverty line.
What is the racial makeup of Oakville, Missouri?
Oakville's population is 88.5% White, 2.3% Black, 2.9% Hispanic/Latino, and 1.6% Asian.
What is the median home value in Oakville, MO?
The median home value in Oakville is $318,600. The home-value-to-income ratio is 3.0x.
How educated is Oakville, Missouri?
44.1% of adults (25+) in Oakville hold a bachelor's degree or higher, and 16.9% hold a graduate or professional degree.