- Located along IL 1 northwest of Ridgway
- Latitude: 37°53'25" N (+37.8903)
- Longitude: 88°18'11" W (-88.3031)
- Elevation: 370 feet above sea level
- Public Land Survey: T. 8 S., R. 9 E.
- Precinct: Omaha
- Land area: 0.83 square miles (531.5 acres)
As the crow flies, Omaha is...
| Year | Population | Percent change |
|---|
| 1990 | 273 | -- |
| 2000 | 263 | -3.7% |