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Union County, New Jersey

Union County, New Jersey
Westfieldnj.png
Seal of Union County, New Jersey
Seal
Map of New Jersey highlighting Union County
Location in the U.S. state of New Jersey
Map of the United States highlighting New Jersey
New Jersey's location in the U.S.
Founded 1857
Seat Elizabeth
Largest city Elizabeth (population and area)
Area
 • Total 105.40 sq mi (273 km2)
 • Land 102.86 sq mi (266 km2)
 • Water 2.55 sq mi (7 km2), 2.42%
Population
 • (2010) 536,499
555,786 (2015 est.)
 • Density 5,403/sq mi (2,086.2/km²)
Congressional districts 7th, 8th, 10th, 12th
Website www.ucnj.org
Elizabeth, New Jersey
Climate chart ()
J F M A M J J A S O N D
 
 
3.5
 
 
39
24
 
 
2.9
 
 
42
27
 
 
4.1
 
 
51
34
 
 
4.2
 
 
62
44
 
 
4
 
 
72
53
 
 
4
 
 
82
63
 
 
4.7
 
 
86
69
 
 
3.7
 
 
84
68
 
 
3.8
 
 
77
60
 
 
3.6
 
 
65
48
 
 
3.6
 
 
55
39
 
 
3.8
 
 
44
30
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
 
 
3.5
 
 
39
24
 
 
2.9
 
 
42
27
 
 
4.1
 
 
51
34
 
 
4.2
 
 
62
44
 
 
4
 
 
72
53
 
 
4
 
 
82
63
 
 
4.7
 
 
86
69
 
 
3.7
 
 
84
68
 
 
3.8
 
 
77
60
 
 
3.6
 
 
65
48
 
 
3.6
 
 
55
39
 
 
3.8
 
 
44
30
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel