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Effingham County, Illinois

Effingham County, Illinois
Effingham County Building and Jail.jpg
Effingham County Building and Jail in Effingham
Seal of Effingham County, Illinois
Seal
Map of Illinois highlighting Effingham County
Location in the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1831
Named for Thomas Howard, 3rd Earl of Effingham
Seat Effingham
Largest city Effingham
Area
 • Total 480 sq mi (1,243 km2)
 • Land 479 sq mi (1,241 km2)
 • Water 1.2 sq mi (3 km2), 0.3%
Population
 • (2010) 34,242
 • Density 72/sq mi (28/km²)
Congressional district 15th
Time zone Central: UTC-6/-5
Website www.co.effingham.il.us
Effingham, Illinois
Climate chart ()
J F M A M J J A S O N D
 
 
2.4
 
 
35
18
 
 
2.5
 
 
41
22
 
 
3.6
 
 
52
32
 
 
4.1
 
 
64
42
 
 
4.5
 
 
74
52
 
 
4.3
 
 
83
62
 
 
4.5
 
 
87
66
 
 
2.9
 
 
85
63
 
 
3
 
 
78
55
 
 
3
 
 
67
43
 
 
4.1
 
 
52
34
 
 
3.3
 
 
40
23
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
 
 
2.4
 
 
35
18
 
 
2.5
 
 
41
22
 
 
3.6
 
 
52
32
 
 
4.1
 
 
64
42
 
 
4.5
 
 
74
52
 
 
4.3
 
 
83
62
 
 
4.5
 
 
87
66
 
 
2.9
 
 
85
63
 
 
3
 
 
78
55
 
 
3
 
 
67
43
 
 
4.1
 
 
52
34
 
 
3.3
 
 
40
23
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel