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Rural Land
Union County, NJ
Population by Decades
Date
Population
Population
Change
Annual
% Change
1900
99,353
-
-
1910
140,197
40,844
3.5
1920
200,157
59,960
3.6
1930
305,209
105,052
4.3
1940
328,344
23,135
0.7
1950
398,138
69,794
1.9
1960
504,255
106,117
2.4
1970
543,116
38,861
0.7
1980
504,094
-39,022
-0.7
1990
493,819
-10,275
-0.2
2000
522,541
28,722
0.6
Source:
U.S. Bureau of Census
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