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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 825,581 100.00% 969,749 100.00%
Total Native Population 698,018 84.55% 732,072 75.49%
Born in US 676,945 82.00% 709,622 73.18%
Born in Same State 188,326 22.81% 229,470 23.66%
Born in Different State 488,619 59.18% 480,152 49.51%
Born Outside US 21,073 2.55% 22,450 2.32%
Total Foreign Born Population 127,563 15.45% 237,677 24.51%
Naturalized 47,144 5.71% 98,601 10.17%
Non-Naturalized 80,419 9.74% 139,076 14.34%

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

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