Randolph County, Illinois
| Randolph County, Illinois | |
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Randolph County Courthouse, Chester
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| Motto: Where Illinois Began | |
 Location in the U.S. state of Illinois |
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 Illinois's location in the U.S. |
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| Founded | 1795 |
| Named for | Edmund Randolph |
| Seat | Chester |
| Largest city | Chester |
| Area | |
| • Total | 597 sq mi (1,546 km2) |
| • Land | 576 sq mi (1,492 km2) |
| • Water | 22 sq mi (57 km2), 3.6% |
| Population | |
| • (2010) | 33,476 |
| • Density | 58/sq mi (22/km²) |
| Congressional district | 12th |
| Time zone | Central: UTC-6/-5 |
| Website | am |
| Chester, Illinois | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Climate chart () | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| J | F | M | A | M | J | J | A | S | O | N | D |
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1.9
39
22
|
2
46
26
|
3.5
56
35
|
3.4
68
45
|
4.3
78
54
|
3.9
87
64
|
3.8
91
68
|
3.4
89
66
|
3.2
82
58
|
3.1
71
46
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4.2
56
36
|
3.2
44
27
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| Average max. and min. temperatures in °F | |||||||||||
| Precipitation totals in inches | |||||||||||
| Source: The Weather Channel | |||||||||||
| Metric conversion | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| J | F | M | A | M | J | J | A | S | O | N | D |
|
47
4
−6
|
51
8
−3
|
89
13
2
|
87
20
7
|
109
26
12
|
98
31
18
|
96
33
20
|
86
32
19
|
81
28
14
|
78
22
8
|
106
13
2
|
...
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