Whiteash is located in Williamson County. About 279 people live here (as of 2020). Between 2010 and 2020, the population grew from 241 to 279. The area covers about 2.3 square kilometers. There are about 20 streets in Whiteash. The region was founded in 1903. Whiteash is census-designated place in Williamson County, Illinois, United States.
| Year built | 1903 |
| Area | 2.3 km² |
| Located in | Williamson County |
| Country | United States |
| Population | 279 |
| Official name | Whiteash |
| 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 |