Histopolis
Collaborative Genealogy & History
Register
Log in
Home
People
Surnames
Graves
Places
World
United States
Puerto Rico
Cemeteries
Graves
Surveys
Place-of-the-Day
Learn
Place Hierarchy
Place Navigation Bar
Grave Index
Histopolis
Link To Us
Privacy Policy
Credits
Donate
Account
Register
Login
Manage
Help
Place:
Loading ...
United States
Loading ...
Illinois
Loading ...
Jefferson County
Loading ...
Jefferson County
,
Illinois
,
United States
Overview
Map
Townships
Cities
Cemeteries
Graves
Surveys
Links
Link Here
Tip: To see additional information about Jefferson County, click on the "tabs" directly above.
Overview of Jefferson County
Name:
Jefferson County
Place Type:
County
Located In:
Illinois
,
United States
History (GNIS):
Established 26 March 1819
County Seat:
Mount Vernon
(
Mount Vernon Township
)
Coordinates:
Latitude:
38.3000495
38° 18' 00.2"
N
Longitude:
-88.9333992
88° 56' 00.2"
W
Population:
37,020
Elevation:
159 m
Surrounding Counties:
Marion
N
Wayne
E
Hamilton
SE
Franklin
S
Perry
SW
Washington
W
Clinton
NW
Histopolis Place ID:
879159155
Updated May 6, 2020