Mount Oliver, Pennsylvania
Mount Oliver, Pennsylvania | |
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Brownsville Road commercial district in Mount Oliver | |
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Flag Logo | |
Location in Allegheny County and the U.S. state of Pennsylvania. | |
| Coordinates: 40°24′41″N 79°59′12″W / 40.41139°N 79.98667°W | |
| Country | United States |
| State | Pennsylvania |
| County | Allegheny |
| Settled | 1769 |
| Incorporated | November 9, 1892 |
| Named after | Oliver Ormsby |
| Area | |
• Total | 0.34 sq mi (0.88 km2) |
| • Land | 0.34 sq mi (0.88 km2) |
| • Water | 0 sq mi (0.00 km2) |
| Population (2020) | |
• Total | 3,394 |
| • Density | 9,997.7/sq mi (3,860.12/km2) |
| Time zone | UTC-5 (Eastern (EST)) |
| • Summer (DST) | UTC-4 (EDT) |
| ZIP code | 15210 |
| Area code | 412 |
| FIPS code | 42-51744 |
| Website | mtoliver |
Mount Oliver is a borough in Allegheny County, Pennsylvania, United States. The population was 3,394 at the 2020 census. It is a largely residential area situated atop a crest about 3 miles (5 km) west of the Monongahela River. The borough is surrounded entirely by the city of Pittsburgh, having resisted annexation attempts by the city.