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Nassau County, NY
Population by Decades

Date Population Population
Change
Annual
% Change
1900 55,448--
1910 83,93028,4824.2
1920 126,12042,1904.2
1930 303,053176,9339.2
1940 406,748103,6953.0
1950 672,765266,0175.2
1960 1,300,171627,4066.8
1970 1,428,080127,9090.9
1980 1,321,582-106,498-0.8
1990 1,287,348-34,234-0.3
2000 1,334,54447,1960.4
Source: U.S. Bureau of Census

 
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