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Grundy County, IL

Grundy County, Illinois
Grundy County Courthouse (7395451684).jpg
Grundy County Courthouse
Map of Illinois highlighting Grundy 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 17, 1841
Named for Felix Grundy
Seat Morris
Largest city Morris
Area
 • Total 430 sq mi (1,114 km2)
 • Land 418 sq mi (1,083 km2)
 • Water 12 sq mi (31 km2), 2.9%
Population
 • (2010) 50,063
 • Density 120/sq mi (46/km²)
Congressional district 16th
Time zone Central: UTC-6/-5
Morris, Illinois
Climate chart ()
J F M A M J J A S O N D
 
 
1.8
 
 
30
13
 
 
1.6
 
 
35
18
 
 
2.7
 
 
47
29
 
 
3.5
 
 
61
39
 
 
4
 
 
73
50
 
 
4.2
 
 
83
59
 
 
3.7
 
 
85
63
 
 
3.4
 
 
83
61
 
 
3
 
 
76
53
 
 
2.5
 
 
64
41
 
 
3.1
 
 
48
31
 
 
2.4
 
 
35
19
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
 
 
1.8
 
 
30
13
 
 
1.6
 
 
35
18
 
 
2.7
 
 
47
29
 
 
3.5
 
 
61
39
 
 
4
 
 
73
50
 
 
4.2
 
 
83
59
 
 
3.7
 
 
85
63
 
 
3.4
 
 
83
61
 
 
3
 
 
76
53
 
 
2.5
 
 
64
41
 
 
3.1
 
 
48
31
 
 
2.4
 
 
35
19
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel