| | Waldo, FL | Starke, FL | United States |
| Population | 1,037 | 5,669 | 329,725,481 |
| Female Population | 55.9% | 45.0% | 50.5% |
| Male Population | 44.1% | 55.0% | 49.5% |
| Median Age | 48.8 | 37.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,004 | 5,483 | 309,327,143 |
| Population - 2000 | 821 | 5,593 | 285,036,114 |
| Population - 1990 | 1,017 | 5,226 | 251,960,433 |
| Pop. 2000 to Now | 21.6% | -2.2% | 15.6% |
| Pop. 1990 to Now | -1.9% | 4.7% | 30.8% |
| space4 | | | |
| Population Density | 477.7 | 789.7 | 93.4 |
| Land Area | 2.2 | 7.2 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Waldo, FL | Starke, FL | United States |
| Age 0 to 4 | 2.9% | 6.3% | 5.9% |
| Age 5 to 9 | 10.6% | 6.8% | 6.1% |
| Age 10 to 14 | 4.6% | 7.1% | 6.6% |
| Age 15 to 17 | 3.2% | 3.0% | 3.9% |
| Age 18 to 20 | 2.2% | 1.4% | 4.0% |
| Age 21 to 24 | 5.2% | 3.2% | 5.2% |
| Age 25 to 34 | 12.4% | 19.1% | 13.8% |
| Age 35 to 44 | 5.5% | 13.7% | 12.9% |
| Age 45 to 54 | 6.4% | 9.5% | 12.6% |
| Age 55 to 59 | 7.8% | 6.5% | 6.7% |
| Age 60 to 64 | 24.1% | 3.9% | 6.3% |
| Age 65 to 74 | 5.7% | 10.6% | 9.6% |
| Age 75 to 84 | 8.8% | 6.9% | 4.5% |
| Age 85 and over | 0.6% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Waldo, FL | Starke, FL | United States |
| White | 66.2% | 62.2% | 59.4% |
| Black | 18.0% | 27.5% | 12.2% |
| Asian | 0.0% | 0.8% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.9% | 5.3% | 3.2% |
| Hispanic | 12.8% | 4.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Waldo, FL | Starke, FL | United States |
| Married Population | 24.7% | 40.2% | 49.8% |
| Currently Married | 18.8% | 37.3% | 48.0% |
| Married but Separated | 5.9% | 3.0% | 1.8% |
| Single Population | 75.3% | 59.8% | 50.2% |
| Never Married | 56.4% | 33.0% | 33.8% |
| Divorced | 13.2% | 14.3% | 10.8% |
| Widowed | 5.7% | 12.5% | 5.6% |
| space5 | | | |
| Household Size | 1.71 | 2.58 | 2.60 |
| Households | 608 | 2,025 | 124,010,992 |
| Family Households | 195 | 1,183 | 80,755,759 |
| Married couple, w/children | 10.3% | 30.7% | 30.5% |
| Married couple, no children | 34.9% | 35.5% | 42.9% |
| Non Family Households | 413 | 842 | 43,255,233 |
| Single householder, w/children | 52.3% | 24.6% | 15.8% |
| Single householder, no children | 2.6% | 9.2% | 10.8% |