Brackenridge is a borough in Allegheny County, Pennsylvania. It is located in the western part of the state along the Allegheny River. Brackenridge is part of the Pittsburgh Metro Area, with the city of Pittsburgh about a 30 minute drive away. According to the United States Census Bureau of 2000, Brackenridge has a population of 3,543. The borough has an area of 0.6 square miles, of which, 0.5 square miles of it is land and 0.04 square miles of it is water. Brackenridge has an average elevation of 827 feet above sea level. The borough has a very high population density. Brackenridge has over 1,500 households and the median income for a household in the borough is $30,050, and the median income for a family is $41,803. The racial demographics of the borough is 95.03% White, 3.44% African American, 0.11% Native American, 0.23% Asian, 0.03% Pacific Islander, 0.37% from other races, and 0.79% from two or more races. Hispanic or Latino of any race are 0.54% of the population. The borough is named after Henry Marie Brackenridge a prominent American writer, lawyer, judge, and Congressman from Pennsylvania who served the country in the 18th and 19th centuries.

Allegheny county is surrounded by five counties of Pennsylvania. It is close to the borders of Ohio and West Virginia. Allegheny county has a population of about 1.3 million residents. It has an area of 745 square miles, with a population density of 1,756 people per square mile. The county is named after the Allegheny River which runs through it. Allegheny county is home to the city of Pittsburgh and it forms the heart of Pittsburgh Metropolitan Area. Therefore, the county has some of the most important commercial, educational, entertainment and business operations in Pennsylvania.

Allegheny hosts a number of major companies and is ranked in the top ten among U.S. areas hosting headquarters of Fortune 500 corporations. These companies include U.S. Steel Corporation, PNC Financial Services Group, PPG Industries, and H J Heinz Corporation. Allegheny County has more than two dozen higher education facilities consisting of colleges, universities, community and technical colleges. Some prominent educational institutions include The Art Institute of Pittsburgh, Point Park University and the University of Pittsburgh.

Allegheny County is home to three professional sport teams; Pittsburgh Pirates in baseball, Pittsburgh Steelers in Football, and Pittsburgh Penguins in Ice Hockey. Allegheny County has two Pennsylvania State Parks, Allegheny Islands State Park and Point State Park.