ZIP code 45231
Where is ZIP code 45231?
Cincinnati, Ohio
Hamilton County · Standard ZIP code
ZIP code 45231 belongs to Cincinnati, Ohio in Hamilton County. 45231 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 40,463 people live in the 45231 area, where the median household income is $71,353. The closest ZIP codes are 45218 (Cincinnati, 2 mi northeast), 45299 (Cincinnati, 2.3 mi northeast) and 45240 (Cincinnati, 3.1 mi north).
| ZIP code | 45231 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Cincinnati |
| Also accepted | Mount Healthy, Wyoming |
| State | Ohio (OH) |
| County | Hamilton County |
| Time zone | Eastern Time · now |
| Area codes | 283, 513 |
| Coordinates | 39.2418, -84.5437 map |
| 3-digit prefix | 452 |
Population and income in 45231
| Population | 40,463 · higher than 96% of Ohio ZIP codes |
|---|---|
| People per square mile | 2,738 · higher than 89% of Ohio ZIP codes |
| Median age | 41.1 years · lower than 53% of Ohio ZIP codes |
| Men / women | 50% / 51% |
| Median household income | $71,353 · higher than 52% of Ohio ZIP codes |
| Income per person | $36,975 |
| Below the poverty line | 12% |
| Bachelor’s degree or higher | 29% of adults 25+ |
| Median home value | $176,000 · lower than 51% of Ohio ZIP codes |
| Median rent | $1,232 a month |
| Housing units | 17,505 |
| Households | 16,911 (2.34 people on average) |
| Owners / renters | 73% / 27% |
| Land area | 14.78 sq mi (plus 0.21 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 45231. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 45231
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 45218 | Cincinnati, OH | 2 mi NE | Standard |
| 45299 | Cincinnati, OH | 2.3 mi NE | Unique |
| 45240 | Cincinnati, OH | 3.1 mi N | Standard |
| 45224 | Cincinnati, OH | 3.1 mi S | Standard |
| 45239 | Cincinnati, OH | 3.2 mi SW | Standard |
| 45251 | Cincinnati, OH | 3.5 mi NW | Standard |
| 45232 | Cincinnati, OH | 4.2 mi S | Standard |
| 45216 | Cincinnati, OH | 4.2 mi SE | Standard |
| 45215 | Cincinnati, OH | 4.4 mi E | Standard |
| 45246 | Cincinnati, OH | 4.7 mi NE | Standard |
| 45252 | Cincinnati, OH | 4.8 mi W | Standard |
| 45223 | Cincinnati, OH | 5 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 45231 or measure the distance to another ZIP code.
How to address mail to 45231
123 MAIN ST
CINCINNATI OH 45231
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts MOUNT HEALTHY and WYOMING as the city name for 45231. Avoid Finneytown and N College Hl: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (45231-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Cincinnati, OH
- 45201
- 45202
- 45203
- 45204
- 45205
- 45206
- 45207
- 45208
- 45209
- 45211
- 45212
- 45213
- 45214
- 45215
- 45216
- 45217
- 45218
- 45219
- 45220
- 45221
- 45222
- 45223
- 45224
- 45225
- 45226
- 45227
- 45229
- 45230
- 45232
- 45233
- 45234
- 45235
- 45236
- 45237
- 45238
- 45239
- 45240
- 45241
- 45242
- 45243
- 45244
- 45245
- 45246
- 45247
- 45248
- 45249
- 45250
- 45251
- 45252
- 45253
- 45254
- 45255
- 45258
- 45262
- 45263
- 45264
- 45267
- 45268
- 45269
- 45270
- 45271
- 45273
- 45274
- 45275
- 45277
- 45280
- 45296
- 45298
- 45299
- 45999
All Cincinnati ZIP codes with population and income →
Questions
- What city is ZIP code 45231?
- 45231 is a Cincinnati, Ohio ZIP code. Mount Healthy and Wyoming are also accepted as the city name.
- What county is 45231 in?
- ZIP code 45231 is in Hamilton County, Ohio.
- What time zone is ZIP code 45231 in?
- 45231 is in the Eastern Time zone (America/New_York).
- What area code is 45231?
- Phone numbers in ZIP code 45231 use area codes 283 and 513.
- What is the population of ZIP code 45231?
- About 40,463 people live in ZIP code 45231, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 45231?
- The median household income in 45231 is $71,353 a year, higher than 52% of Ohio ZIP codes.
- What ZIP codes are near 45231?
- The nearest ZIP codes to 45231 are 45218 (Cincinnati, 2 miles), 45299 (Cincinnati, 2.3 miles), 45240 (Cincinnati, 3.1 miles) and 45224 (Cincinnati, 3.1 miles).