| Place Name | Union City |
| Place Type | Borough |
| ZIP Code(s) | 16438 |
| County | Erie County |
| Area Code(s) | 814 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 3,315 |
| Population Growth Rate (2010-19) | -11.84% |
| Majority Ethnicity | White 96.39% |
| Metro/Micro Stats Area | Erie, PA |
| US Congressional District(s) | Pennsylvania 5th |
| State House Districts | 4 |
| State Senate Districts | 50 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.39% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.61% |