Indiana County, Pennsylvania

Indiana County
County
Indiana County Courthouse
Seal
Location within the U.S. state of Pennsylvania
Pennsylvania's location within the U.S.
Coordinates: 40°39′N 79°05′W / 40.65°N 79.09°W / 40.65; -79.09
Country	United States
State	Pennsylvania
Founded	November 3, 1806
Seat	Indiana
Largest borough	Indiana
Area
• Total	834 sq mi (2,160 km2)
• Land	827 sq mi (2,140 km2)
• Water	7.3 sq mi (19 km2)  0.9%
Population  (2020)
• Total	83,246
• Density	101/sq mi (39/km2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (EDT)
Congressional district	15th
Website	www.indianacountypa.gov

Indiana County is a county in the Commonwealth of Pennsylvania. It is located in the west central part of Pennsylvania. As of the 2020 census, the population was 83,246.^[1] Its county seat is Indiana.^[2] Indiana County comprises the Indiana, PA Micropolitan Statistical Area, which is also included in the Pittsburgh-New Castle-Weirton, PA-WV-OH Combined Statistical Area. The county is part of the Southwest Pennsylvania region of the state.^[a]

Prior to the Revolutionary War, some settlers proposed this as part of a larger, separate colony to be known as Vandalia, but opposing interests and the war intervened. Afterward, claims to the territory by both the states of Virginia and Pennsylvania had to be reconciled. After this land was assigned to Pennsylvania by the federal government according to the placement of the Mason–Dixon line, Indiana County was created on March 30, 1803, from parts of Westmoreland and Clearfield counties and was formally organized in 1806.^[3]

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