| | Franklin, IN | Crestview, FL | United States |
| Population | 25,112 | 26,934 | 329,725,481 |
| Female Population | 52.5% | 49.3% | 50.5% |
| Male Population | 47.6% | 50.7% | 49.5% |
| Median Age | 35.2 | 32.7 | 38.4 |
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| Population - 2010 | 23,720 | 21,087 | 309,327,143 |
| Population - 2000 | 19,463 | 14,766 | 285,036,114 |
| Population - 1990 | 12,907 | 9,886 | 251,960,433 |
| Pop. 2000 to Now | 32.9% | 73.8% | 15.6% |
| Pop. 1990 to Now | 100.4% | 159.6% | 30.8% |
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| Population Density | 1,902.1 | 1,674.7 | 93.4 |
| Land Area | 13.2 | 16.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Franklin, IN | Crestview, FL | United States |
| Age 0 to 4 | 6.0% | 7.5% | 5.9% |
| Age 5 to 9 | 6.7% | 8.2% | 6.1% |
| Age 10 to 14 | 7.5% | 5.1% | 6.6% |
| Age 15 to 17 | 4.5% | 3.4% | 3.9% |
| Age 18 to 20 | 5.0% | 3.4% | 4.0% |
| Age 21 to 24 | 6.3% | 7.8% | 5.2% |
| Age 25 to 34 | 13.5% | 20.3% | 13.8% |
| Age 35 to 44 | 12.6% | 13.0% | 12.9% |
| Age 45 to 54 | 10.0% | 8.3% | 12.6% |
| Age 55 to 59 | 7.1% | 6.0% | 6.7% |
| Age 60 to 64 | 6.0% | 5.5% | 6.3% |
| Age 65 to 74 | 7.9% | 8.2% | 9.6% |
| Age 75 to 84 | 3.8% | 2.1% | 4.5% |
| Age 85 and over | 3.1% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Franklin, IN | Crestview, FL | United States |
| White | 91.1% | 62.7% | 59.4% |
| Black | 2.9% | 19.3% | 12.2% |
| Asian | 0.9% | 2.3% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.7% | 0.2% |
| Other | 0.2% | 0.4% | 0.4% |
| Two or More Races | 2.4% | 6.3% | 3.2% |
| Hispanic | 2.4% | 8.1% | 18.4% |
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| Marriage & Family | | | |
| | Franklin, IN | Crestview, FL | United States |
| Married Population | 47.4% | 53.6% | 49.8% |
| Currently Married | 46.8% | 49.6% | 48.0% |
| Married but Separated | 0.6% | 4.0% | 1.8% |
| Single Population | 52.6% | 46.4% | 50.2% |
| Never Married | 31.5% | 30.5% | 33.8% |
| Divorced | 13.8% | 11.9% | 10.8% |
| Widowed | 7.4% | 4.1% | 5.6% |
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| Household Size | 2.67 | 2.52 | 2.60 |
| Households | 8,988 | 10,245 | 124,010,992 |
| Family Households | 6,002 | 6,565 | 80,755,759 |
| Married couple, w/children | 34.9% | 35.1% | 30.5% |
| Married couple, no children | 37.3% | 38.1% | 42.9% |
| Non Family Households | 2,986 | 3,680 | 43,255,233 |
| Single householder, w/children | 17.5% | 16.5% | 15.8% |
| Single householder, no children | 10.3% | 10.3% | 10.8% |