| City : | Union City Borough |
| County : | Erie County |
| State : | Pennsylvania (PA) |
| | |
| Land Area : | 1.83 sq mi |
| Water Area : | 0.03 sq mi |
| Latitude : | 41.8976644 |
| Longitude : | -79.8432184 |
| | |
| Population (2010): | 3,320 |
| Population Estimate (2012) : | 3,315 |
| Population Density : | 1,814.14/sq mi |
| Housing Units (2012) : | 1,402 |
| Median Household Income (2012) : | $36,250 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $51,389 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $69,700 (Pennsylvania : $164,900, USA : $181,400) |