| | Mulberry, FL | Auburndale, FL | United States |
| Population | 3,920 | 15,704 | 329,725,481 |
| Female Population | 53.9% | 52.0% | 50.5% |
| Male Population | 46.1% | 48.1% | 49.5% |
| Median Age | 48.5 | 39.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,747 | 13,453 | 309,327,143 |
| Population - 2000 | 3,230 | 11,032 | 285,036,114 |
| Population - 1990 | 2,988 | 8,858 | 251,960,433 |
| Pop. 2000 to Now | 32.3% | 56.0% | 15.6% |
| Pop. 1990 to Now | 43.0% | 94.2% | 30.8% |
| space4 | | | |
| Population Density | 634.5 | 1,158.3 | 93.4 |
| Land Area | 6.2 | 13.6 | 3,531,905.4 |
| Water Area | 0.7 | 7.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Mulberry, FL | Auburndale, FL | United States |
| Age 0 to 4 | 3.3% | 6.4% | 5.9% |
| Age 5 to 9 | 5.0% | 5.7% | 6.1% |
| Age 10 to 14 | 4.1% | 7.0% | 6.6% |
| Age 15 to 17 | 2.6% | 4.0% | 3.9% |
| Age 18 to 20 | 3.8% | 3.5% | 4.0% |
| Age 21 to 24 | 2.9% | 3.3% | 5.2% |
| Age 25 to 34 | 12.6% | 14.8% | 13.8% |
| Age 35 to 44 | 11.7% | 11.8% | 12.9% |
| Age 45 to 54 | 12.8% | 12.0% | 12.6% |
| Age 55 to 59 | 5.6% | 7.4% | 6.7% |
| Age 60 to 64 | 3.2% | 7.3% | 6.3% |
| Age 65 to 74 | 19.7% | 8.9% | 9.6% |
| Age 75 to 84 | 11.1% | 6.0% | 4.5% |
| Age 85 and over | 1.7% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Mulberry, FL | Auburndale, FL | United States |
| White | 68.3% | 69.7% | 59.4% |
| Black | 13.6% | 11.3% | 12.2% |
| Asian | 2.5% | 1.5% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.0% | 0.4% |
| Two or More Races | 2.2% | 1.0% | 3.2% |
| Hispanic | 13.1% | 16.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Mulberry, FL | Auburndale, FL | United States |
| Married Population | 54.8% | 49.5% | 49.8% |
| Currently Married | 53.4% | 47.1% | 48.0% |
| Married but Separated | 1.4% | 2.4% | 1.8% |
| Single Population | 45.2% | 50.5% | 50.2% |
| Never Married | 23.1% | 28.4% | 33.8% |
| Divorced | 14.1% | 14.4% | 10.8% |
| Widowed | 8.0% | 7.7% | 5.6% |
| space5 | | | |
| Household Size | 2.41 | 2.95 | 2.60 |
| Households | 1,627 | 5,265 | 124,010,992 |
| Family Households | 1,067 | 3,814 | 80,755,759 |
| Married couple, w/children | 18.7% | 27.2% | 30.5% |
| Married couple, no children | 59.0% | 42.6% | 42.9% |
| Non Family Households | 560 | 1,451 | 43,255,233 |
| Single householder, w/children | 15.5% | 17.2% | 15.8% |
| Single householder, no children | 6.8% | 13.0% | 10.8% |