Mason city, Ohio Demographics & Population 2026
As of 2026, Mason city, Ohio has a total population of 35,148, the 42nd largest city in Ohio, with a median household income of $124,407, which is 79% higher than the state average. The poverty rate is 4.0%.
Key Takeaways
- Household income is 79% above the state average — one of the wealthiest communities in Ohio.
- An exceptionally low poverty rate of 4.0% — among the lowest in Ohio.
- 61.6% of adults hold a bachelor's degree or higher — top 10% in Ohio.
- Near full employment with an unemployment rate of just 2.4%.
Mason city Quick Facts
How Mason city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 39 | National average: 60
Education
Educational Attainment (Adults 25+)
Mason city Rankings in Ohio
Explore Ohio Rankings
Other Cities in Warren County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Lebanon city | 21,216 | $78,598 | 6.8% | $257,100 |
| Loveland city | 13,280 | $86,793 | 8.1% | $305,200 |
Cities Similar to Mason city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hilliard city | 36,560 | $122,864 | $360,000 | 60.2% | 5.2% |
| Gahanna city | 35,438 | $106,004 | $322,300 | 53.0% | 5.6% |
| Westlake city | 34,036 | $110,101 | $336,100 | 58.4% | 5.1% |
| Upper Arlington city | 36,319 | $150,993 | $568,200 | 79.2% | 2.9% |
| North Ridgeville city | 36,043 | $94,234 | $254,700 | 34.9% | 4.9% |
Population Overview
Mason city is a mid-sized community located in Ohio, within Warren County. The total population is 35,148. It ranks as the 42nd most populous out of 1,264 cities and towns in Ohio.
Age Demographics
The median age in Mason city is 42.2 years. This is 7% higher than the state median of 39.6 years.
Economy, Income & Housing
The median household income in Mason city is $124,407. This is 79% higher than the state median of $69,680. Compared to the national median of $78,538, household income here is 58% higher. The poverty rate stands at 4.0%. This is 70% lower than the state poverty rate of 13.2%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.4%. This is 51% lower than the state rate of 4.9%. The median home value is $397,900. Housing costs are 100% higher than the state median of $199,200. The home-value-to-income ratio is 3.2x. 81.4% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 67.0%.
Race & Ethnicity
The largest racial or ethnic group in Mason city is White (non-Hispanic), making up 74.3% of the population. Asian residents account for 14.1%. The Black or African American population (5.4%) is well below the state average of 12.1%. The Asian population is significantly higher than the state average (14.1% vs 2.4%).
Education
61.6% of residents aged 25 and older hold a bachelor's degree or higher. This places Mason city in the top 10% of all cities in the state for educational attainment. This is 99% higher than the state rate of 30.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.4%. Notably, 25.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Mason city, Ohio is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. 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. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Mason city, Ohio?
Mason city, Ohio has a population of 35,148 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mason city, OH?
The median household income in Mason city is $124,407, which is 58% higher the national median of $78,538.
What is the poverty rate in Mason city, OH?
The poverty rate in Mason city is 4.0%. This means approximately 1,391 residents live below the federal poverty line.
What is the racial makeup of Mason city, Ohio?
Mason city's population is 74.3% White, 5.4% Black, 3.0% Hispanic/Latino, and 14.1% Asian.
What is the median home value in Mason city, OH?
The median home value in Mason city is $397,900. The home-value-to-income ratio is 3.2x.
How educated is Mason city, Ohio?
61.6% of adults (25+) in Mason city hold a bachelor's degree or higher, and 25.7% hold a graduate or professional degree.