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Polk County

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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 33,815 100.00% 38,127 100.00%
Total Native Population 33,493 99.05% 35,825 93.96%
Born in US 33,376 98.70% 35,653 93.51%
Born in Same State 28,434 84.09% 29,534 77.46%
Born in Different State 4,942 14.61% 6,119 16.05%
Born Outside US 117 0.35% 172 0.45%
Total Foreign Born Population 322 0.95% 2,302 6.04%
Naturalized 141 0.42% 500 1.31%
Non-Naturalized 181 0.54% 1,802 4.73%

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

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