- Located on IL 37 north of West Vienna
- Latitude: 37°28'17" N (+37.4714)
- Longitude: 88°58'37" W (-88.9769)
- Elevation: 510 feet above sea level
- Public Land Survey: T. 12 S., R. 2 E.
- Civil township: Elvira
- Land area: 1.2 square miles
As the crow flies, Buncombe is...
| Year | Population | Percent change |
|---|
| 1990 | 208 | -- |
| 2000 | 186 | -10.6% |