Pittsburg is located in Camp County. About 4,335 people live here (as of 2020). Between 2010 and 2020, the population declined from 4,497 to 4,335. The region is at 120 meters above sea level. The area covers about 9.3 square kilometers. There are about 183 streets in Pittsburg. The postal codes are 75686. The dialing code is 903. Pittsburg is city in and county seat of Camp County, Texas, United States. Among other things, Pittsburg has restaurants, clothing Stores, museums, schools and banks. More information at
www.pittsburgtexas.com.