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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 31,969 100.00% 40,909 100.00%
Total Native Population 31,734 99.26% 40,520 99.05%
Born in US 31,614 98.89% 40,284 98.47%
Born in Same State 26,727 83.60% 32,850 80.30%
Born in Different State 4,887 15.29% 7,434 18.17%
Born Outside US 120 0.38% 236 0.58%
Total Foreign Born Population 235 0.74% 389 0.95%
Naturalized 83 0.26% 192 0.47%
Non-Naturalized 152 0.48% 197 0.48%

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

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