| Place Name | Northbrook |
| Place Type | Census Designated Place |
| ZIP Code(s) | 45231 45251 |
| County | Hamilton County |
| Area Code(s) | 283,513 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 10,357 |
| Population Growth Rate (2010-19) | 2.29% |
| Majority Ethnicity | White 55.8% |
| Metro/Micro Stats Area | Cincinnati, OH-KY-IN |
| US Congressional District(s) | Ohio 1st |
| State House Districts | 29 |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 55.8% |
| African American | 41.22% |
| Hispanic | 0.09% |
| Asian | 2.14% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.75% |