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Sullivan County, IN

Sullivan County, Indiana
Sullivan County Courthouse in Indiana, southern side.jpg
Sullivan County Courthouse
Map of Indiana highlighting Sullivan County
Location in the U.S. state of Indiana
Map of the United States highlighting Indiana
Indiana's location in the U.S.
Founded January 15, 1817
Seat Sullivan
Largest city Sullivan
Area
 • Total 454.12 sq mi (1,176 km2)
 • Land 447.14 sq mi (1,158 km2)
 • Water 6.97 sq mi (18 km2), 1.53%
Population
 • (2010) 21,475
 • Density 49/sq mi (19/km²)
Congressional district 8th
Time zone Eastern: UTC-5/-4
Footnotes: Indiana county number 77
Sullivan, Indiana
Climate chart ()
J F M A M J J A S O N D
 
 
2.8
 
 
36
18
 
 
2.6
 
 
42
22
 
 
3.2
 
 
52
31
 
 
4.2
 
 
64
42
 
 
4.1
 
 
73
52
 
 
3.5
 
 
82
61
 
 
4.7
 
 
85
65
 
 
3.8
 
 
84
63
 
 
3.7
 
 
78
56
 
 
3
 
 
67
44
 
 
4.1
 
 
53
34
 
 
3
 
 
40
23
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
 
 
2.8
 
 
36
18
 
 
2.6
 
 
42
22
 
 
3.2
 
 
52
31
 
 
4.2
 
 
64
42
 
 
4.1
 
 
73
52
 
 
3.5
 
 
82
61
 
 
4.7
 
 
85
65
 
 
3.8
 
 
84
63
 
 
3.7
 
 
78
56
 
 
3
 
 
67
44
 
 
4.1
 
 
53
34
 
 
3
 
 
40
23
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel