- Location: Union County, Illinois
- Legal status: Village
- Population: 806 (Change since 1990: +10.7%)
- Founded: May 23, 1857 by Ebeni Leavenworth
- Previously known as: Unionville
- Located just west of I-57 Exit 24 southeast of Anna
- Latitude: 37°21'40" N (+37.3611)
- Longitude: 89°09'57" W (-89.1658)
- Elevation: 400 feet above sea level
- Land area: 1.1 square miles
- Water area: 0.03 square miles (19.4 acres)
As the crow flies, Dongola is...
| Year | Population | Percent change |
|---|
| 1990 | 728 | -- |
| 2000 | 806 | +10.7% |