Mason, Ohio
Mason is a city in Warren County, Ohio, with an estimated population of 35,660 in 2023. It sits at 39.3517, -84.3020 in the America/New_York time zone.
| Field | Value |
|---|---|
| Place name | Mason |
| Type | city |
| State | Ohio (OH) |
| County | Warren County |
| Population (2023 est.) | 35,660 |
| Land area | 19.26 sq mi (49.89 km²) |
| Coordinates | 39.3517, -84.3020 |
| Time zone | America/New_York |
| ZIP codes | 45040 |
| Telephone area codes | 513 |
ZIP codes and area codes for Mason
Mason covers 1 ZIP code: 45040. Telephone area codes serving the area: 513. Browse all ZIP codes in Ohio for the full list.
Where is Mason?
Mason is located in Ohio, in Warren County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
South Lebanon 7 km · OHLoveland 10 km · OHMaineville 11 km · OHLebanon 11 km · OHMonroe 12 km · OHMontgomery 12 km · OHSharonville 12 km · OHBlue Ash 14 km · OH
Other places in Warren County
Lebanon 21,699Springboro 19,475Franklin 11,653South Lebanon 6,793Carlisle 5,740Waynesville 2,812Morrow 2,162Maineville 1,488Harveysburg 569Corwin 516
Related
Frequently asked questions
What county is Mason, OH in?
Mason is in Warren County, Ohio.
What is the population of Mason, OH?
The 2023 Census Bureau estimate is 35,660.
What time zone is Mason in?
Mason is in the America/New_York time zone.