Oneco | |
|---|---|
  Oneco Location of Oneco within Illinois  Oneco Oneco (the United States) | |
| Coordinates: 42°29′15″N 89°39′51″W / 42.48750°N 89.66417°W | |
| Country | United States |
| State | Illinois |
| County | Stephenson |
| Township | Oneco |
| Elevation | 843 ft (257 m) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| Postal code | 61060 |
| Area code | 815 |
Oneco is an unincorporated community in Stephenson County, Illinois, and is located along IL Rt. 26, north of Freeport.
- ^ "USGS detail on Newtown". Retrieved October 21, 2007.