Mariemont, Ohio Demographics & Population 2026
During the 2020–2024 ACS period, Mariemont, Ohio had a total population of 3,474, the 368th largest village in Ohio, with a median household income of $152,273, which is 113% 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
- Household income is 113% above the state average — one of the wealthiest communities in Ohio.
- An exceptionally low poverty rate of 3.9% — among the lowest in Ohio.
- 77.3% of adults hold a bachelor's degree or higher — top 10% in Ohio.
- Near full employment with an unemployment rate of just 1.9%.
Mariemont Quick Facts
How Mariemont 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 | 3,477 | 3,474 | -0.1% |
| Median household income | $153,507 | $152,273 | -0.8% |
| Median home value | $584,400 | $607,600 | +4.0% |
How Mariemont 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: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Mariemont Rankings in Ohio
Explore Ohio Rankings
Other Cities in Hamilton County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Cincinnati | 311,224 | $52,909 | 25.5% | $230,900 |
| Fairfield | 44,828 | $77,937 | 8.4% | $234,500 |
| Forest Park | 20,025 | $75,956 | 10.6% | $190,400 |
| White Oak | 19,216 | $70,341 | 8.2% | $203,700 |
| Norwood | 19,114 | $71,611 | 17.5% | $258,700 |
| Sharonville | 14,030 | $74,649 | 9.1% | $223,800 |
| Bridgetown | 13,464 | $80,564 | 5.7% | $183,600 |
| Blue Ash | 13,455 | $115,313 | 4.0% | $403,200 |
| Loveland | 13,197 | $94,323 | 7.8% | $321,300 |
| Harrison | 13,084 | $100,000 | 6.9% | $229,400 |
Cities Similar to Mariemont
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Orange | 3,485 | $170,063 | $442,300 | 73.8% | 16.0% |
| Moreland Hills | 3,456 | $185,592 | $621,900 | 71.9% | 4.0% |
| Amberley | 3,826 | $154,688 | $515,400 | 75.7% | 1.7% |
| Hunter | 3,551 | $127,411 | $251,700 | 31.4% | 3.0% |
| Four Bridges | 3,417 | $121,764 | $589,500 | 58.6% | 7.1% |
Population Overview
Mariemont is a small community located in Ohio, within Hamilton County. The total population is 3,474. It ranks as the 368th most populous out of 1,264 Census-designated places in Ohio.
Age Demographics
The median age in Mariemont is 41.1 years. This is 4% higher than the state median of 39.7 years. With 29.8% of the population under 18, Mariemont has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Mariemont is $152,273. This is 113% higher than the state median of $71,389. It is also 89% higher than the national median of $80,734. The poverty rate stands at 3.9%. This is 71% lower than the state poverty rate of 13.3%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 1.9%. This is 61% lower than the state rate of 4.8%. The median home value is $607,600. Housing costs are 183% higher than the state median of $214,800. The home-value-to-income ratio is 4.0x. 74.6% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 67.2%.
Race & Ethnicity
Mariemont has a predominantly White (non-Hispanic) population, comprising 95.7% of all residents. Black or African American residents account for 1.5%. The Black or African American population (1.5%) is well below the state average of 12.0%. The Asian population (0.6%) is well below the state average of 2.5%.
Education
77.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Mariemont in the top 10% of all cities in the state for educational attainment. This is 145% higher than the state rate of 31.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.8%. Notably, 45.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Mariemont, Ohio 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 Ohio state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,264 Census-designated places in Ohio. 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 Mariemont, Ohio?
Mariemont, Ohio has a population of 3,474 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mariemont, OH?
The median household income in Mariemont is $152,273, which is 89% higher than the national median of $80,734.
What is the poverty rate in Mariemont, OH?
The poverty rate in Mariemont is 3.9%. This means approximately 133 residents live below the federal poverty line.
What is the racial makeup of Mariemont, Ohio?
Mariemont's population is 95.7% White, 1.5% Black, 0.0% Hispanic/Latino, and 0.6% Asian.
What is the median home value in Mariemont, OH?
The median home value in Mariemont is $607,600. The home-value-to-income ratio is 4.0x.
How educated is Mariemont, Ohio?
77.3% of adults (25+) in Mariemont hold a bachelor's degree or higher, and 45.9% hold a graduate or professional degree.