Oilfield is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

in Clark County,

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

, United States. Oilfield is located along

Illinois Route 49 Illinois Route 49 (IL 49) is a north–south state highway in east-central Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago me ...

north of Casey.

References

Unincorporated communities in Clark County, Illinois Unincorporated communities in Illinois {{ClarkCountyIL-geo-stub