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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 2,122,101 100.00% 3,072,149 100.00%
Total Native Population 1,967,220 92.70% 2,630,909 85.64%
Born in US 1,943,503 91.58% 2,599,097 84.60%
Born in Same State 656,330 30.93% 988,115 32.16%
Born in Different State 1,287,173 60.66% 1,610,982 52.44%
Born Outside US 23,717 1.12% 31,812 1.04%
Total Foreign Born Population 154,881 7.30% 441,240 14.36%
Naturalized 61,608 2.90% 114,048 3.71%
Non-Naturalized 93,273 4.40% 327,192 10.65%

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

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