- Location: Union County, Illinois
- Legal status: Village
- Population: 76 (Change since 1990: -12.6%)
- Alternate name: Millcreek
- Located on IL 127 south of Springville, near the Alexander County line
- Latitude: 37°20'30" N (+37.3417)
- Longitude: 89°15'09" W (-89.2525)
- Elevation: 374 feet above sea level
- Public Land Survey: T. 13 S., R. 1 W., Sec. 31
- Precinct: Mill Creek
- Land area: 0.37 square miles (234.2 acres)
- Water area: 0.01 square miles (5.5 acres)
As the crow flies, Mill Creek is...
| Year | Population | Percent change |
|---|
| 1990 | 87 | -- |
| 2000 | 76 | -12.6% |