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Place:
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United States
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Illinois
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Williamson County
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Williamson County
,
Illinois
,
United States
Overview
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Tip: To see additional information about Williamson County, click on the "tabs" directly above.
Overview of Williamson County
Name:
Williamson County
Place Type:
County
Located In:
Illinois
,
United States
History (GNIS):
Established 28 February 1839
County Seat:
Marion
(
West Marion Precinct
)
Coordinates:
Latitude:
37.7333831
37° 44' 00.2"
N
Longitude:
-88.9334033
88° 56' 00.3"
W
Population:
57,733
Elevation:
131 m
Surrounding Counties:
Franklin
N
Hamilton
NE
Saline
E
Pope
SE
Johnson
S
Union
SW
Jackson
W
Histopolis Place ID:
506960223
Updated May 6, 2020