Northbrook, OH ZIP Codes
2 ZIP codes serve Northbrook, Ohio: 45231 and 45251. Together they are home to 60,717 residents in 24,754 households. That is more than the 10,742 people counted inside Northbrook Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $71,353 in 45231 to $74,614 in 45251.
Northbrook Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 10,742 |
| Households | 4,061 |
| Median household income | $67,426 |
| Median home value | $157,400 |
| Median age | 36.3 |
| Median rent | $1,555 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 60,717 |
| Households (sum of ZIP codes) | 24,754 |
| Median household income, range across ZIP codes | $71,353 (45231) to $74,614 (45251) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $72,386 |
| Homeowners | 74.3% |
| Households with kids under 18 | 28.5% |
| Moved in the past year | 10.4% |
| Carrier routes in EDDM2GO's route library | 44 routes, 26,662 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Northbrook: 45251 ($74,614)
- Most residents: 45231 (40,463 people)
- Highest homeownership: 45251 (77.9% own their home)
- Most households with kids: 45251 (31.1% of households)
- Most new movers: 45231 (11.7% moved in last year)
- Youngest median age: 45251 (39.1 years)
- Highest median home value: 45251 ($185,300)
Every ZIP code in Northbrook
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 45231 | Cincinnati | 40,463 | 16,911 | $71,353 | $176,000 | 72.6% | 27.3% | 11.7% | 30 | 18,396 | 5% of its land |
| 45251 | Cincinnati | 20,254 | 7,843 | $74,614 | $185,300 | 77.9% | 31.1% | 7.7% | 14 | 9,393 | 10% of its land |
A ZIP code is listed for Northbrook when at least 10% of its land lies inside the Northbrook Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Northbrook. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Northbrook.
Counties
- Hamilton County — 55 ZIP codes
Nearby cities sharing these ZIP codes
- Cincinnati — 46 ZIP codes
- Finneytown — 2 ZIP codes
- North College Hill — 3 ZIP codes
- Mount Healthy — 1 ZIP code
- Pleasant Run — 2 ZIP codes
- New Burlington — 2 ZIP codes
- Groesbeck — 3 ZIP codes
- Northgate — 1 ZIP code
EDDM service areas in Northbrook
Price a mailing to Northbrook ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Northbrook, OH?
- 45231 and 45251. A ZIP code is listed for Northbrook when at least 10% of its land lies inside the Northbrook Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Northbrook.
- What is the population of Northbrook, OH?
- The Census Bureau counts 10,742 residents inside Northbrook Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Northbrook hold 60,717 residents in all.
- What is the median household income in Northbrook, OH?
- $67,426 inside Northbrook Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $71,353 to $74,614.
- Which Northbrook ZIP code has the highest median household income?
- 45251, at $74,614, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Northbrook, OH?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 44 carrier routes reaching 26,662 residential and 1,125 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.