How many astronauts have there been? 338
How many astronauts are there currently? 44
How many astronauts were born in Philadelphia? 6
How many astronauts are from Pennsylvania? 17
From New Jersey? 10
Local colleges with astronauts who have received one or more degrees: Princeton, 5; Penn State, 4; Drexel and Rutgers, 3 each; University of Pennsylvania and Lehigh, 2 each; Villanova, Thomas Jefferson, and the University of Delaware, 1 each.
Astronauts and their local ties:
Guion S. Bluford Jr.: born in Philadelphia; bachelor's in aerospace engineering from Penn State; flew on Challenger and Discovery.
Andrew Allen: born in Philadelphia; bachelor's in mechanical engineering from Villanova University; flew on Atlantis and Columbia.
James P. Bagian: born in Philadelphia; bachelor's in mechanical engineering from Drexel University and doctorate in medicine from Thomas Jefferson University; flew on Discovery and Columbia.
John-David Bartoe: born in Abington; bachelor's in physics from Lehigh University; flew on Challenger.
Daniel Bursch: born in Bristol; flew on Discovery and Endeavour.
Christopher Ferguson: born in Philadelphia; bachelor's in mechanical engineering from Drexel University; flew on Atlantis and Endeavour.
Scott J. Horowitz: born in Philadelphia; flew on Columbia, Discovery, and Atlantis.
Daniel M. Tani: born in Ridley Park; flew on Endeavour, Discovery, and Atlantis.
Charles Conrad Jr. (deceased): born in Philadelphia; bachelor's in aeronautical engineering from Princeton; flew on Gemini 5 and 11, Apollo 12, and Skylab 2.
Theodore C. Freeman (deceased): born in Haverford, never flew in space.
Robert Cenker: born near Uniontown; bachelor's and master's in aerospace engineering from Penn State and master's in electrical engineering from Rutgers; flew on Columbia.
Terry J. Hart: bachelor's in mechanical engineering from Lehigh University, master's in electrical engineering from Rutgers; flew on Challenger.
Paul J. Weitz: bachelor's in aeronautical engineering from Penn State; flew on Skylab 2 and Challenger.
Paul W. Richards: bachelor's in mechanical engineering from Drexel; flew on Discovery.
Lodewijk van den Berg: master's in applied science and doctorate of philosophy in applied science from University of Delaware; flew on Challenger.
James Pawelczyk: master's in physiology from Penn State; flew on Columbia.
Garrett E. Reisman: bachelor's in economics and mechanical engineering from University of Pennsylvania; flew on Endeavour, Discovery, and Atlantis.
Gregory T. Linteris: bachelor's in chemical engineering and doctor of philosophy in mechanical and aerospace engineering from Princeton; flew on Columbia.
Mario Runco Jr.: master's in atmospheric physics from Rutgers, flew on Atlantis and Endeavour.
James C. Adamson: master's in aerospace engineering from Princeton; flew on Columbia and Atlantis.
Daniel T. Barry: master's in engineering and master's and doctorate of philosophy in electrical engineering/computer science from Princeton; flew on Endeavour and Discovery.
Gerald P. Carr: master's in aeronautical engineering from Princeton, flew on Skylab 4.
UPDATE: Marsha S. Ivins: She was born in Baltimore but grew up in the region and graduated from Nether Providence High School in Wallingford, flew on Columbia and Atlantis.
Source: NASA and NASA astronaut fact book.