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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 757,027 100.00% 873,341 100.00%
Total Native Population 615,861 81.35% 640,345 73.32%
Born in US 602,840 79.63% 627,802 71.89%
Born in Same State 153,551 20.28% 196,068 22.45%
Born in Different State 449,289 59.35% 431,734 49.43%
Born Outside US 13,021 1.72% 12,543 1.44%
Total Foreign Born Population 141,166 18.65% 232,996 26.68%
Naturalized 48,289 6.38% 100,658 11.53%
Non-Naturalized 92,877 12.27% 132,338 15.15%

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

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