Clark County, Illinois
| Clark County, Illinois | |
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Clark County Courthouse in Marshall
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 Location in the U.S. state of Illinois |
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 Illinois's location in the U.S. |
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| Founded | 1819 |
| Named for | George Rogers Clark |
| Seat | Marshall |
| Largest city | Marshall |
| Area | |
| • Total | 505 sq mi (1,308 km2) |
| • Land | 501 sq mi (1,298 km2) |
| • Water | 3.4 sq mi (9 km2), 0.7% |
| Population | |
| • (2010) | 16,335 |
| • Density | 33/sq mi (13/km²) |
| Congressional district | 15th |
| Time zone | Central: UTC-6/-5 |
| Website | www |
| Marshall, 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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2.2
34
16
|
2.2
40
21
|
3.3
51
31
|
4
63
41
|
4.3
74
51
|
4.2
83
61
|
4.4
86
65
|
4.4
84
62
|
2.9
78
55
|
2.8
66
43
|
3.7
51
33
|
3.1
39
22
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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 |
|
57
1
−9
|
57
4
−6
|
83
11
−1
|
101
17
5
|
109
23
11
|
108
28
16
|
113
30
18
|
112
29
17
|
75
26
13
|
71
19
6
|
93
11
1
|
79
Wikipedia
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