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Hamilton County, Illinois

Hamilton County, Illinois
Hamilton County Courthouse in McLeansboro.jpg
Hamilton County Courthouse in McLeansboro
Seal of Hamilton County, Illinois
Seal
Map of Illinois highlighting Hamilton County
Location in the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1821
Named for Alexander Hamilton
Seat McLeansboro
Largest city McLeansboro
Area
 • Total 436 sq mi (1,129 km2)
 • Land 435 sq mi (1,127 km2)
 • Water 1.2 sq mi (3 km2), 0.3%
Population
 • (2010) 8,457
 • Density 19/sq mi (7/km²)
Congressional district 15th
Time zone Central: UTC-6/-5
Website www.hamiltoncountyillinois.com
McLeansboro, Illinois
Climate chart ()
J F M A M J J A S O N D
 
 
3.2
 
 
39
20
 
 
2.8
 
 
45
24
 
 
4.5
 
 
55
34
 
 
4.6
 
 
66
43
 
 
4.7
 
 
76
53
 
 
3.9
 
 
85
62
 
 
3.5
 
 
89
66
 
 
3
 
 
88
63
 
 
2.9
 
 
81
55
 
 
3
 
 
70
43
 
 
4.5
 
 
56
35
 
 
3.6
 
 
44
25
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
 
 
3.2
 
 
39
20
 
 
2.8
 
 
45
24
 
 
4.5
 
 
55
34
 
 
4.6
 
 
66
43
 
 
4.7
 
 
76
53
 
 
3.9
 
 
85
62
 
 
3.5
 
 
89
66
 
 
3
 
 
88
63
 
 
2.9
 
 
81
55
 
 
3
 
 
70
43
 
 
4.5
 
 
56
35
 
 
3.6
 
 
44
25
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel