| | Smithfield, NC | Tallahassee, FL | United States |
| Population | 11,168 | 195,057 | 329,725,481 |
| Female Population | 52.4% | 52.8% | 50.5% |
| Male Population | 47.6% | 47.2% | 49.5% |
| Median Age | 45.5 | 27.7 | 38.4 |
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| Population - 2010 | 11,089 | 181,441 | 309,327,143 |
| Population - 2000 | 11,510 | 150,624 | 285,036,114 |
| Population - 1990 | 7,540 | 124,773 | 251,960,433 |
| Pop. 2000 to Now | 15.8% | 30.3% | 15.6% |
| Pop. 1990 to Now | 76.8% | 57.4% | 30.8% |
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| Population Density | 941.7 | 1,941.9 | 93.4 |
| Land Area | 11.9 | 100.4 | 3,531,905.4 |
| Water Area | 0.0 | 3.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Smithfield, NC | Tallahassee, FL | United States |
| Age 0 to 4 | 4.6% | 4.8% | 5.9% |
| Age 5 to 9 | 6.9% | 4.9% | 6.1% |
| Age 10 to 14 | 7.2% | 4.6% | 6.6% |
| Age 15 to 17 | 3.8% | 2.8% | 3.9% |
| Age 18 to 20 | 1.7% | 12.7% | 4.0% |
| Age 21 to 24 | 4.5% | 14.7% | 5.2% |
| Age 25 to 34 | 8.9% | 16.3% | 13.8% |
| Age 35 to 44 | 11.6% | 10.7% | 12.9% |
| Age 45 to 54 | 15.3% | 9.0% | 12.6% |
| Age 55 to 59 | 7.4% | 4.2% | 6.7% |
| Age 60 to 64 | 9.7% | 4.5% | 6.3% |
| Age 65 to 74 | 10.9% | 6.8% | 9.6% |
| Age 75 to 84 | 5.6% | 2.9% | 4.5% |
| Age 85 and over | 1.8% | 1.2% | 1.9% |
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| Race | | | |
| | Smithfield, NC | Tallahassee, FL | United States |
| White | 55.8% | 49.4% | 59.4% |
| Black | 26.0% | 35.8% | 12.2% |
| Asian | 1.7% | 4.1% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 1.2% | 2.9% | 3.2% |
| Hispanic | 15.2% | 7.2% | 18.4% |
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| Marriage & Family | | | |
| | Smithfield, NC | Tallahassee, FL | United States |
| Married Population | 45.5% | 30.4% | 49.8% |
| Currently Married | 40.3% | 29.0% | 48.0% |
| Married but Separated | 5.2% | 1.4% | 1.8% |
| Single Population | 54.5% | 69.6% | 50.2% |
| Never Married | 31.3% | 56.6% | 33.8% |
| Divorced | 15.3% | 9.9% | 10.8% |
| Widowed | 7.9% | 3.1% | 5.6% |
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| Household Size | 2.34 | 2.25 | 2.60 |
| Households | 4,513 | 80,591 | 124,010,992 |
| Family Households | 2,564 | 36,024 | 80,755,759 |
| Married couple, w/children | 27.2% | 25.5% | 30.5% |
| Married couple, no children | 38.5% | 36.3% | 42.9% |
| Non Family Households | 1,949 | 44,567 | 43,255,233 |
| Single householder, w/children | 21.2% | 22.6% | 15.8% |
| Single householder, no children | 13.1% | 15.7% | 10.8% |