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DuPage County

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The Census includes all residents of the United States, regardless of their citizenship status. In some areas of the country, those without American citizenship account for a substantial proportion of the population, while in many areas, particularly in the Midwest, the make up only a small percentage of residents. Likewise, in some areas the majority of the population has come from other states within the U.S. while in others, particularly in the South, the population is more stable over time.

Nativity and Citizenship Status, 1990-2000
1990 2000
Number Percent Number Percent
Total Population 781,666 100.00% 904,161 100.00%
Total Native Population 710,331 90.87% 765,505 84.66%
Born in US 704,561 90.14% 758,785 83.92%
Born in Same State 522,787 66.88% 580,141 64.16%
Born in Different State 181,774 23.25% 178,644 19.76%
Born Outside US 5,770 0.74% 6,720 0.74%
Total Foreign Born Population 71,335 9.13% 138,656 15.34%
Naturalized 37,151 4.75% 61,601 6.81%
Non-Naturalized 34,184 4.37% 77,055 8.52%

Source: Census 2000 analyzed by the Social Science Data Analysis Network (SSDAN).

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