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Logan County, Illinois

Logan County, Illinois
Logan County Courthouse Illinois.JPG
Logan County Courthouse
Map of Illinois highlighting Logan County
Location in the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded February 15, 1839
Named for John A. Logan
Seat Lincoln
Largest city Lincoln
Area
 • Total 619 sq mi (1,603 km2)
 • Land 618 sq mi (1,601 km2)
 • Water 0.9 sq mi (2 km2), 0.1%
Population
 • (2010) 30,305
 • Density 49/sq mi (19/km²)
Congressional district 18th
Time zone Central: UTC-6/-5
Website www.co.logan.il.us
Lincoln, Illinois
Climate chart ()
J F M A M J J A S O N D
 
 
1.7
 
 
32
15
 
 
1.6
 
 
38
19
 
 
3.1
 
 
50
29
 
 
3.6
 
 
63
39
 
 
4.4
 
 
74
50
 
 
4
 
 
83
61
 
 
4.4
 
 
86
64
 
 
4
 
 
84
62
 
 
3.1
 
 
78
53
 
 
2.8
 
 
66
41
 
 
3
 
 
51
31
 
 
2.6
 
 
38
21
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel
J F M A M J J A S O N D
 
 
1.7
 
 
32
15
 
 
1.6
 
 
38
19
 
 
3.1
 
 
50
29
 
 
3.6
 
 
63
39
 
 
4.4
 
 
74
50
 
 
4
 
 
83
61
 
 
4.4
 
 
86
64
 
 
4
 
 
84
62
 
 
3.1
 
 
78
53
 
 
2.8
 
 
66
41
 
 
3
 
 
51
31
 
 
2.6
 
 
38
21
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel