| Place Name | Union Township (Brown County) |
| Place Type | Township |
| ZIP Code(s) | 41034 45121 45144 45167 |
| County | Brown County |
| Area Code(s) | 326,937 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 2,768 |
| Majority Ethnicity | White 98.03% |
| Metro/Micro Stats Area | Cincinnati, OH-KY-IN |
| US Congressional District(s) | Ohio 2nd |
| State House Districts | 66 |
| State Senate Districts | 14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.03% |
| African American | 1.25% |
| Hispanic | 0% |
| Asian | 0.49% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.23% |