Duquesne, Pennsylvania

Duquesne, Pennsylvania
Former "Dorothy Six" blast furnace
Location in Allegheny County and the U.S. state of Pennsylvania.
Coordinates: 40°22′12″N 79°51′3″W / 40.37000°N 79.85083°W / 40.37000; -79.85083
CountryUnited States
StatePennsylvania
CountyAllegheny
Settled1885
IncorporatedSeptember 12, 1891 (borough)
 January 7, 1918 (city)
Area
  Total
2.01 sq mi (5.21 km2)
  Land1.82 sq mi (4.70 km2)
  Water0.20 sq mi (0.51 km2)
Population
 (2020)
  Total
5,254
  Density2,893.17/sq mi (1,116.98/km2)
Time zoneUTC-5 (EST)
  Summer (DST)UTC-4 (EDT)
ZIP code
15110
Area code412
FIPS code42-20432
Websiteduquesnepa.us

Duquesne (/djˈkn/ dew-KAYN) is a city along the Monongahela River in Allegheny County, Pennsylvania, United States, within the Pittsburgh metropolitan area. The population was 5,254 at the 2020 census.