ZIP code 45040
Where is ZIP code 45040?
Mason, Ohio
Warren County · Standard ZIP code
ZIP code 45040 belongs to Mason, Ohio in Warren County. 45040 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 283 and 513. About 59,518 people live in the 45040 area, where the median household income is $133,240. The closest ZIP codes are 45034 (Kings Mills, 3.9 mi northeast), 45039 (Maineville, 4 mi east) and 45069 (West Chester, 4.5 mi west).
| ZIP code | 45040 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Mason |
| State | Ohio (OH) |
| County | Warren County |
| Time zone | Eastern Time · now |
| Area codes | 283, 513 |
| Coordinates | 39.3357, -84.3149 map |
| 3-digit prefix | 450 |
Population and income in 45040
| Population | 59,518 · higher than 99% of Ohio ZIP codes |
|---|---|
| People per square mile | 2,092 · higher than 85% of Ohio ZIP codes |
| Median age | 41.5 years · higher than 50% of Ohio ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $133,240 · higher than 97% of Ohio ZIP codes |
| Income per person | $66,545 |
| Below the poverty line | 4.6% |
| Bachelor’s degree or higher | 63% of adults 25+ |
| Median home value | $440,000 · higher than 98% of Ohio ZIP codes |
| Median rent | $1,811 a month |
| Housing units | 22,719 |
| Households | 22,000 (2.69 people on average) |
| Owners / renters | 78% / 22% |
| Land area | 28.45 sq mi (plus 0.05 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 45040. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 45040
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 45034 | Kings Mills, OH | 3.9 mi NE | Standard |
| 45039 | Maineville, OH | 4 mi E | Standard |
| 45069 | West Chester, OH | 4.5 mi W | Standard |
| 45249 | Cincinnati, OH | 4.7 mi S | Standard |
| 45071 | West Chester, OH | 4.9 mi W | PO Box only |
| 45065 | South Lebanon, OH | 6.1 mi NE | Standard |
| 45242 | Cincinnati, OH | 6.5 mi S | Standard |
| 45140 | Loveland, OH | 7 mi SE | Standard |
| 45241 | Cincinnati, OH | 7.1 mi SW | Standard |
| 45050 | Monroe, OH | 7.8 mi N | Standard |
| 45147 | Miamiville, OH | 8.5 mi S | PO Box only |
| 45246 | Cincinnati, OH | 9.2 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 45040 or measure the distance to another ZIP code.
How to address mail to 45040
123 MAIN ST
MASON OH 45040
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (45040-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 45040?
- 45040 is a Mason, Ohio ZIP code.
- What county is 45040 in?
- ZIP code 45040 is in Warren County, Ohio.
- What time zone is ZIP code 45040 in?
- 45040 is in the Eastern Time zone (America/New_York).
- What area code is 45040?
- Phone numbers in ZIP code 45040 use area codes 283 and 513.
- What is the population of ZIP code 45040?
- About 59,518 people live in ZIP code 45040, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 45040?
- The median household income in 45040 is $133,240 a year, higher than 97% of Ohio ZIP codes.
- What ZIP codes are near 45040?
- The nearest ZIP codes to 45040 are 45034 (Kings Mills, 3.9 miles), 45039 (Maineville, 4 miles), 45069 (West Chester, 4.5 miles) and 45249 (Cincinnati, 4.7 miles).