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Rural Land
Mercer County, PA
Population by Decades
Date
Population
Population
Change
Annual
% Change
1900
57,387
-
-
1910
77,699
20,312
3.1
1920
93,788
16,089
1.9
1930
99,246
5,458
0.6
1940
101,039
1,793
0.2
1950
111,954
10,915
1.0
1960
127,519
15,565
1.3
1970
127,175
-344
0.0
1980
128,299
1,124
0.1
1990
121,003
-7,296
-0.6
2000
120,293
-710
-0.1
Source:
U.S. Bureau of Census
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