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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 677,491 100.00% 896,344 100.00%
Total Native Population 626,436 92.46% 767,440 85.62%
Born in US 596,180 88.00% 705,813 78.74%
Born in Same State 205,194 30.29% 290,793 32.44%
Born in Different State 390,986 57.71% 415,020 46.30%
Born Outside US 30,256 4.47% 61,627 6.88%
Total Foreign Born Population 51,055 7.54% 128,904 14.38%
Naturalized 22,480 3.32% 53,651 5.99%
Non-Naturalized 28,575 4.22% 75,253 8.40%

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

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