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Harrisburg, Illinois Micropolitan Statistical area

Saline County, Illinois
Harrisburg, IL 1917 Saline County Courthouse.jpg
Former Saline County Courthouse in Harrisburg
Seal of Saline County, Illinois
Seal
Map of Illinois highlighting Saline County
Location in the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1847
Named for Saline River
Seat Harrisburg
Largest city Harrisburg
Area
 • Total 387 sq mi (1,002 km2)
 • Land 380 sq mi (984 km2)
 • Water 7.0 sq mi (18 km2), 1.8%
Population
 • (2010) 24,913
 • Density 66/sq mi (25/km²)
Congressional district 15th
Time zone Central: UTC-6/-5
Website www.salinecounty.illinois.gov
Harrisburg, Illinois
Climate chart ()
J F M A M J J A S O N D
 
 
3.2
 
 
40
22
 
 
3.1
 
 
46
25
 
 
4.4
 
 
57
35
 
 
4.6
 
 
68
45
 
 
5
 
 
77
54
 
 
4.5
 
 
85
63
 
 
3.9
 
 
89
68
 
 
3.2
 
 
88
65
 
 
3
 
 
81
57
 
 
3
 
 
70
44
 
 
4.2
 
 
56
36
 
 
3.9
 
 
45
26
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
 
 
3.2
 
 
40
22
 
 
3.1
 
 
46
25
 
 
4.4
 
 
57
35
 
 
4.6
 
 
68
45
 
 
5
 
 
77
54
 
 
4.5
 
 
85
63
 
 
3.9
 
 
89
68
 
 
3.2
 
 
88
65
 
 
3
 
 
81
57
 
 
3
 
 
70
44
 
 
4.2
 
 
56
36
 
 
3.9
 
 
45
26
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel