The 2004 Pennsylvania 500 was the 20th stock car race of the 2004 NASCAR Nextel Cup Series season and the 32nd iteration of the event.

The race was held on Sunday, August 1, 2004, before a crowd of 90,000 in Long Pond, Pennsylvania, at Pocono Raceway, a 2.5 miles (4.0 km) triangular permanent course.

[1] To fill out the podium, Mark Martin of Roush Racing and Kasey Kahne of Evernham Motorsports would finish second and third, respectively.

The race was held at Pocono Raceway, which is a three-turn superspeedway located in Long Pond, Pennsylvania.

[4] Joe Nemechek of MBV Motorsports would set the fastest time in the session, with a lap of 52.511 and an average speed of 171.393 miles per hour (275.830 km/h).

[6] Casey Mears of Chip Ganassi Racing would win his first ever pole, setting a time of 52.411 and an average speed of 171.720 miles per hour (276.357 km/h).