| | Rockwell, NC | Avon Park, FL | United States |
| Population | 2,293 | 9,725 | 329,725,481 |
| Female Population | 56.6% | 51.6% | 50.5% |
| Male Population | 43.4% | 48.4% | 49.5% |
| Median Age | 38.2 | 41.7 | 38.4 |
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| Population - 2010 | 2,123 | 10,040 | 309,327,143 |
| Population - 2000 | 1,971 | 8,542 | 285,036,114 |
| Population - 1990 | 1,598 | 8,042 | 251,960,433 |
| Pop. 2000 to Now | 9.9% | 25.5% | 15.6% |
| Pop. 1990 to Now | 35.5% | 33.3% | 30.8% |
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| Population Density | 1,340.9 | 998.6 | 93.4 |
| Land Area | 1.7 | 9.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Rockwell, NC | Avon Park, FL | United States |
| Age 0 to 4 | 9.4% | 6.6% | 5.9% |
| Age 5 to 9 | 4.4% | 5.6% | 6.1% |
| Age 10 to 14 | 5.9% | 5.2% | 6.6% |
| Age 15 to 17 | 3.4% | 5.0% | 3.9% |
| Age 18 to 20 | 4.0% | 4.9% | 4.0% |
| Age 21 to 24 | 4.8% | 4.5% | 5.2% |
| Age 25 to 34 | 12.4% | 12.8% | 13.8% |
| Age 35 to 44 | 16.8% | 10.6% | 12.9% |
| Age 45 to 54 | 12.4% | 9.7% | 12.6% |
| Age 55 to 59 | 6.8% | 5.3% | 6.7% |
| Age 60 to 64 | 5.8% | 5.1% | 6.3% |
| Age 65 to 74 | 4.3% | 11.7% | 9.6% |
| Age 75 to 84 | 9.1% | 7.9% | 4.5% |
| Age 85 and over | 0.4% | 5.1% | 1.9% |
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| Race | | | |
| | Rockwell, NC | Avon Park, FL | United States |
| White | 87.7% | 33.6% | 59.4% |
| Black | 2.1% | 29.8% | 12.2% |
| Asian | 0.2% | 1.2% | 5.6% |
| Native American | 0.8% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.7% | 2.7% | 0.4% |
| Two or More Races | 5.0% | 1.4% | 3.2% |
| Hispanic | 3.4% | 31.3% | 18.4% |
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| Marriage & Family | | | |
| | Rockwell, NC | Avon Park, FL | United States |
| Married Population | 54.5% | 45.5% | 49.8% |
| Currently Married | 49.2% | 43.1% | 48.0% |
| Married but Separated | 5.3% | 2.4% | 1.8% |
| Single Population | 45.5% | 54.5% | 50.2% |
| Never Married | 23.6% | 36.1% | 33.8% |
| Divorced | 17.8% | 12.5% | 10.8% |
| Widowed | 4.1% | 5.9% | 5.6% |
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| Household Size | 2.42 | 2.34 | 2.60 |
| Households | 896 | 3,996 | 124,010,992 |
| Family Households | 539 | 2,629 | 80,755,759 |
| Married couple, w/children | 36.9% | 15.7% | 30.5% |
| Married couple, no children | 36.2% | 41.7% | 42.9% |
| Non Family Households | 357 | 1,367 | 43,255,233 |
| Single householder, w/children | 19.5% | 28.6% | 15.8% |
| Single householder, no children | 7.4% | 14.1% | 10.8% |