| ZIP Code | 45040 |
|---|---|
| City | Mason |
| State | Ohio (OH) |
| County | Warren County |
| Area Code | 283/513 |
| Elevation | 816 ft |
| Latitude | 39.350783 |
|---|---|
| Longitude | -84.313198 |
| Timezone | New York (DST) |
| FIPS | 39165 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 40.9 yrs |
|---|---|
| Avg Household Size | 2.71 |
| Below Poverty | 4.5% ▼ 55% below avg |
| College Grads | 72.1% ▲ 86% above avg |
| Unemployment | 2.7% ▼ 46% below avg |
| No HS Diploma | 261 (0.7%) |
| HS Graduate | 5,112 (13.5%) |
| Some College | 1,977 (5.2%) |
| Associates | 3,239 (8.5%) |
| Bachelors | 2,743 (7.2%) |
| Graduate Degree | 24,606 (64.9%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $131,803 ▲ 73% above avg ↑ 26% since 2019 |
|---|---|
| Median Home Value | $403,700 ▲ 45% above avg ↑ 47% since 2019 |
| Home/Income Ratio | 3.1x (nat avg ~3.5x) |
| Median Rent | $1,691/mo ↑ 22% since 2019 |
| Total Units | 21,977 |
| Vacant Units | 671 |
| Avg HH Size | 2.71 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 21,977 |
|---|---|
| Vacant | 671 |
| Owner Occupied | 78.5% |
| Renter Occupied | 21.5% |
| Avg HH Size | 2.71 |
ZIP code 45040 is located in Mason, Ohio, within Warren County. With a population of 58,132, this is a highly populated ZIP code with a middle-aged community — the median age is 40.9 years. Economically, 45040 is a upper-middle-income ZIP code: the median household income of $131,803 is significantly above the national average.
Real estate in ZIP code 45040 represents a premium housing market. The median home value of $403,700 is above the national average. Renters can expect to pay around $1,691 per month in median rent. Homeownership is strong here — 78.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 47% since 2019.
The population of 45040 is majority White (69.68%). Residents are highly educated — 72.1% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 4.5%. Household income has grown by 26% since 2019.
The unemployment rate in 45040 stands at 2.7%, which is below the national average. About 22% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 72%.
Overall, ZIP code 45040 in Mason, OH is characterized as upper-middle-income, highly educated, a middle-aged community, and predominantly owner-occupied. With 58,132 residents, a median household income of $131,803, and a median home value of $403,700, it offers a clear picture of life in this part of Ohio.