Latitude and longitude of Jefferson County, Illinois
- Nearby Mount Vernon, Illinois, United States
Satellite map of Jefferson County, Illinois
Jefferson County is a county located in the southern part of the U.S. state of Illinois.
Latitude: 38° 17' 60.00" N
Longitude: -88° 55' 12.00" W
Nearest city to this article: Mount Vernon, Illinois
Read about Jefferson County, Illinois in the Wikipedia Satellite map of Jefferson County, Illinois in Google Maps