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Place:
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United States
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Missouri
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Jefferson County
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Jefferson County
,
Missouri
,
United States
Overview
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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:
Missouri
,
United States
County Seat:
Hillsboro
(
Central Township
)
Established:
1818
Coordinates:
Latitude:
38.2667211
38° 16' 00.2"
N
Longitude:
-90.5834593
90° 35' 00.5"
W
Population:
171,380
Elevation:
206 m
Surrounding Counties:
Saint Louis
N
Monroe
(
Illinois
)
E
Randolph
(
Illinois
)
E
Sainte Genevieve
SE
Saint Francois
S
Washington
SW
Franklin
NW
Histopolis Place ID:
170499237
Updated May 6, 2020