Olean, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Olean, Missouri had a total population of 168, the 777th largest town in Missouri. The poverty rate is 5.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 2.8% of adults have a bachelor's degree, well below the national average of 35.7%.
Olean Quick Facts
How Olean 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 | 265 | 168 | -36.6% |
How Olean 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+)
Olean Rankings in Missouri
Explore Missouri Rankings
Other Cities in Miller County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Eldon | 4,556 | $41,684 | 12.8% | $157,400 |
| Iberia | 661 | $47,438 | 13.9% | $122,900 |
| St. Elizabeth | 587 | $100,313 | 2.3% | $284,100 |
| Aurora Springs | 230 | N/A | 40.0% | $146,400 |
| Tuscumbia | 142 | $41,250 | 9.2% | $134,400 |
| Brumley | 72 | $33,438 | 63.9% | N/A |
| Bagnell | 44 | $15,000 | 54.5% | N/A |
Cities Similar to Olean
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Grand Falls Plaza | 168 | $59,583 | $250,000 | 46.8% | 1.2% |
| Berger | 169 | $55,938 | $96,300 | 16.5% | 19.1% |
| Bogard | 169 | $60,750 | $72,100 | 11.9% | 4.1% |
| Linneus | 167 | $53,750 | $55,800 | 3.1% | 19.8% |
| Rhineland | 165 | $95,625 | $170,500 | 29.5% | 7.4% |
A note before these figures: with a population of 168, Olean's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Olean is a small community located in Missouri, within Miller County. The total population is 168. It ranks as the 777th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Olean is 26.9 years. This is 31% lower than the state median of 39.0 years. With 35.7% of the population under 18, Olean has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The poverty rate stands at 5.9%. This is 53% lower than the state poverty rate of 12.6%. The survey records no unemployed residents in Olean, which reflects the size of the sample rather than a labor market without joblessness. 96.3% of occupied housing units are owner-occupied. This homeownership rate is 41% higher than the state average of 68.1%.
Race & Ethnicity
Olean has a predominantly White (non-Hispanic) population, comprising 98.8% of all residents.
Education
2.8% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 91% lower 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 81.5%.
Data Sources & Methodology
All demographic data for Olean, 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 Olean, Missouri?
Olean, Missouri has a population of 168 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Olean, MO?
The Census Bureau does not publish a reliable median household income estimate for Olean — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Olean, MO?
The poverty rate in Olean is 5.9%. This means approximately 10 residents live below the federal poverty line.
What is the racial makeup of Olean, Missouri?
Olean's population is 98.8% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Olean, MO?
The Census Bureau does not publish a reliable median home value estimate for Olean — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Olean, Missouri?
2.8% of adults (25+) in Olean hold a bachelor's degree or higher, and 2.8% hold a graduate or professional degree.