Mason
City in Warren County, Ohio

Mason is a city in Warren County, Ohio, with 34,792 residents (2020 Census). It sits at 810 ft (247 m) above sea level. The nearest town is Kings Mills, 2.8 miles E.
- 34,792residents (2020 Census)
- 810 ftelevation · 247 m
- 19.5 sq miland area · 50.5 km²
- 1,786 / sq mipopulation density
- 45040main ZIP code (2 in total)
About Mason
Mason is a city in southwestern Warren County, Ohio, United States. The population was 34,792 at the 2020 census. Located approximately 22 miles (35 km) north of downtown Cincinnati, it is home to Fortune 500 corporation Cintas, the Kings Island amusement park, and the Lindner Family Tennis Center, home of the Cincinnati Open.
Text: Wikipedia · CC BY-SA 4.0
Mason weather: 7-day forecast
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Living in Mason
- Median household income
- $125,401
- Median home value
- $426,200
- Median rent
- $1,760/mo
- Median age
- 42.4
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Map of Mason
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Open in Google Maps ›Mason, OH population
Mason had 34,792 residents in the 2020 Census.
| 2020 Census | 34,792 |
|---|---|
| Density | 1,786 per sq mi (689 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Mason at a glance
| State | Ohio (OH) |
|---|---|
| County | Warren County |
| Type | City |
| Population | 34,792 (2020) |
| Land area | 19.48 sq mi (50.5 km²) |
| Water area | 0.02 sq mi (0.04 km²) |
| Elevation | 810 ft (247 m) |
| Coordinates | 39.3607° N, 84.2959° W |
| ZIP codes | 45040, 45034 |
| Census code (GEOID) | 3948188 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Mason
- Kings Mills2.8 mi E
- Landen3.0 mi S
- Four Bridges3.7 mi W
- South Lebanon4.1 mi E
- Wetherington4.3 mi W
- Loveland Park4.8 mi S
- Highpoint5.7 mi SW
- Olde West Chester6.0 mi W
- Sixteen Mile Stand6.1 mi S
- Lebanon6.3 mi NE
- Brecon6.4 mi SW
- Maineville6.6 mi SE
Straight-line distance between town centers.
Frequently asked questions about Mason
What county is Mason in?
Mason is in Warren County, Ohio.
What is the population of Mason, OH?
34,792 people lived in Mason at the 2020 Census.
What is the ZIP code of Mason, OH?
The main ZIP code is 45040. Other ZIP codes: 45034.
What is the elevation of Mason?
810 feet (247 m) above sea level.
What towns are near Mason?
Kings Mills (2.8 mi), Landen (3.0 mi), Four Bridges (3.7 mi), South Lebanon (4.1 mi), Wetherington (4.3 mi).
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