Fayette County, Illinois
| Fayette County, Illinois | |
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Fayette County Courthouse in Vandalia
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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 | 1821 |
| Named for | Marquis de Lafayette |
| Seat | Vandalia |
| Largest city | Vandalia |
| Area | |
| • Total | 725 sq mi (1,878 km2) |
| • Land | 716 sq mi (1,854 km2) |
| • Water | 8.9 sq mi (23 km2), 1.2% |
| Population | |
| • (2010) | 22,140 |
| • Density | 31/sq mi (12/km²) |
| Congressional district | 15th |
| Time zone | Central: UTC-6/-5 |
| Website | www |
| Vandalia, 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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2.5
35
18
|
2.4
41
23
|
3.7
52
32
|
3.6
64
43
|
4.1
74
53
|
3.9
83
62
|
3.6
88
67
|
2.8
86
64
|
3
79
55
|
2.8
67
43
|
3.7
53
34
|
2.8
40
24
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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 |
|
63
2
−8
|
61
5
−5
|
94
11
0
|
91
18
6
|
104
23
12
|
100
28
17
|
92
31
19
|
71
30
18
|
75
26
13
|
72
19
6
|
94
12
1
|
70
Wikipedia
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