Pittsburg County
County
Pittsburg County Courthouse
Location within the U.S. state of Oklahoma
Oklahoma's location within the U.S.
Coordinates: 34°56′N 95°45′W / 34.93°N 95.75°W / 34.93; -95.75
Country	United States
State	Oklahoma
Founded	1907
Named for	Pittsburgh, Pennsylvania
Seat	McAlester
Largest city	McAlester
Area
• Total	1,378 sq mi (3,570 km2)
• Land	1,305 sq mi (3,380 km2)
• Water	72 sq mi (190 km2)  5.3%
Population  (2020)
• Total	43,773
• Density	32/sq mi (12/km2)
Congressional district	2nd
Website	pittsburg.okcounties.org

Pittsburg County is a county in the U.S. state of Oklahoma. As of 2020, 43,773 people lived there.^[1] Its county seat is McAlester.

The county has a total area of 906 square miles.

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