| | Campbell, OH | Davenport, FL | United States |
| Population | 7,831 | 9,049 | 329,725,481 |
| Female Population | 54.4% | 49.9% | 50.5% |
| Male Population | 45.6% | 50.1% | 49.5% |
| Median Age | 41.4 | 37.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 8,219 | 2,891 | 309,327,143 |
| Population - 2000 | 9,460 | 1,924 | 285,036,114 |
| Population - 1990 | 10,038 | 1,529 | 251,960,433 |
| Pop. 2000 to Now | -18.3% | 279.5% | 15.6% |
| Pop. 1990 to Now | -23.0% | 377.5% | 30.8% |
| space4 | | | |
| Population Density | 2,106.8 | 2,490.1 | 93.4 |
| Land Area | 3.7 | 3.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Campbell, OH | Davenport, FL | United States |
| Age 0 to 4 | 5.7% | 7.1% | 5.9% |
| Age 5 to 9 | 7.2% | 6.1% | 6.1% |
| Age 10 to 14 | 8.8% | 9.3% | 6.6% |
| Age 15 to 17 | 3.9% | 7.1% | 3.9% |
| Age 18 to 20 | 3.7% | 5.9% | 4.0% |
| Age 21 to 24 | 4.0% | 2.5% | 5.2% |
| Age 25 to 34 | 9.1% | 9.0% | 13.8% |
| Age 35 to 44 | 12.5% | 22.7% | 12.9% |
| Age 45 to 54 | 14.6% | 8.7% | 12.6% |
| Age 55 to 59 | 5.2% | 3.9% | 6.7% |
| Age 60 to 64 | 6.9% | 6.8% | 6.3% |
| Age 65 to 74 | 8.6% | 6.1% | 9.6% |
| Age 75 to 84 | 6.4% | 3.9% | 4.5% |
| Age 85 and over | 3.5% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Campbell, OH | Davenport, FL | United States |
| White | 47.7% | 28.5% | 59.4% |
| Black | 21.6% | 22.1% | 12.2% |
| Asian | 0.0% | 0.8% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 3.4% | 0.8% | 3.2% |
| Hispanic | 27.2% | 47.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Campbell, OH | Davenport, FL | United States |
| Married Population | 35.1% | 52.1% | 49.8% |
| Currently Married | 33.3% | 50.5% | 48.0% |
| Married but Separated | 1.9% | 1.6% | 1.8% |
| Single Population | 64.9% | 47.9% | 50.2% |
| Never Married | 39.3% | 28.0% | 33.8% |
| Divorced | 16.6% | 10.5% | 10.8% |
| Widowed | 9.0% | 9.4% | 5.6% |
| space5 | | | |
| Household Size | 2.39 | 3.17 | 2.60 |
| Households | 3,274 | 2,837 | 124,010,992 |
| Family Households | 2,058 | 2,045 | 80,755,759 |
| Married couple, w/children | 19.6% | 49.3% | 30.5% |
| Married couple, no children | 27.9% | 33.2% | 42.9% |
| Non Family Households | 1,216 | 792 | 43,255,233 |
| Single householder, w/children | 34.7% | 10.1% | 15.8% |
| Single householder, no children | 17.8% | 7.3% | 10.8% |