Pittsburg is located in Williamson County. About 565 people live here (as of 2020). Between 2010 and 2020, the population declined from 572 to 565. The region is at 142 meters above sea level. There are about 52 streets in Pittsburg. The postal codes are 62974. Pittsburg is village in Williamson County, Illinois.
| Area | 2.1 |
| Elevation | 142 m |
| Located in | Williamson County |
| Postal code | 62974 |
| Country | United States |
| Population | 565 |
| Official name | Pittsburg |
| Bike path |
| Bike lane on roadway |
| Cycling allowed on bus lane |
| Bicycle street |
| Open to cyclists |
| Open to cyclists, good path |
| Cycling prohibited |
| Cobblestone |
| Long-distance bike route | (depending on scale) |
| Long-distance bike route |
| Long-distance hiking trail | (depending on scale) |
| Long-distance hiking trail |
| Pedestrians prohibited |