DeKalb County, Illinois
| DeKalb County, Illinois | ||
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DeKalb County's Legislative Center
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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 | March 4, 1837 | |
| Named for | Johann de Kalb | |
| Seat | Sycamore | |
| Largest city | DeKalb | |
| Area | ||
| • Total | 635 sq mi (1,645 km2) | |
| • Land | 631 sq mi (1,634 km2) | |
| • Water | 3.4 sq mi (9 km2), 0.5% | |
| Population | ||
| • (2010) | 105,160 | |
| • Density | 167/sq mi (64/km²) | |
| Congressional districts | 14th, 16th | |
| Time zone | Central: UTC-6/-5 | |
| Website | www |
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| Sycamore, 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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1.5
27
10
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1.4
32
16
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2.5
44
26
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3.5
58
37
|
4.2
70
48
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4.5
80
58
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4.2
84
63
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4.5
81
61
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3.5
74
51
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2.6
62
40
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2.8
45
28
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2.1
32
17
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| Average max. and min. temperatures in °F | |||||||||||
| Precipitation totals in inches | |||||||||||
| Source: The Weather Channel | |||||||||||
| Metric conversion | |||||||||||
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| J | F | M | A | M | J | J | A | S | O | N | D |
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39
−3
−12
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36
0
−9
|
62
7
−3
|
89
14
3
|
107
21
9
|
114
27
14
|
107
29
17
|
114
27
16
|
89
23
11
|
66
17
4
|
72
7
Wikipedia
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