| | Odessa, FL | Oldsmar, FL | United States |
| Population | 7,682 | 14,800 | 329,725,481 |
| Female Population | 50.8% | 52.3% | 50.5% |
| Male Population | 49.2% | 47.7% | 49.5% |
| Median Age | 40.9 | 37.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 6,998 | 13,727 | 309,327,143 |
| Population - 2000 | 3,173 | 11,910 | 285,036,114 |
| Population - 1990 | 2,588 | 8,361 | 251,960,433 |
| Pop. 2000 to Now | 189.9% | 26.0% | 15.6% |
| Pop. 1990 to Now | 255.4% | 79.5% | 30.8% |
| space4 | | | |
| Population Density | 1,432.1 | 1,655.1 | 93.4 |
| Land Area | 5.4 | 8.9 | 3,531,905.4 |
| Water Area | 0.3 | 1.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Odessa, FL | Oldsmar, FL | United States |
| Age 0 to 4 | 5.0% | 6.4% | 5.9% |
| Age 5 to 9 | 7.2% | 4.4% | 6.1% |
| Age 10 to 14 | 8.6% | 7.5% | 6.6% |
| Age 15 to 17 | 4.0% | 2.2% | 3.9% |
| Age 18 to 20 | 4.5% | 4.0% | 4.0% |
| Age 21 to 24 | 2.5% | 5.0% | 5.2% |
| Age 25 to 34 | 10.6% | 15.5% | 13.8% |
| Age 35 to 44 | 16.0% | 11.9% | 12.9% |
| Age 45 to 54 | 13.7% | 13.3% | 12.6% |
| Age 55 to 59 | 6.2% | 8.0% | 6.7% |
| Age 60 to 64 | 4.6% | 7.8% | 6.3% |
| Age 65 to 74 | 12.2% | 9.9% | 9.6% |
| Age 75 to 84 | 3.7% | 2.9% | 4.5% |
| Age 85 and over | 1.5% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Odessa, FL | Oldsmar, FL | United States |
| White | 63.5% | 71.5% | 59.4% |
| Black | 5.6% | 5.2% | 12.2% |
| Asian | 6.5% | 2.4% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 2.6% | 4.3% | 3.2% |
| Hispanic | 21.5% | 16.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Odessa, FL | Oldsmar, FL | United States |
| Married Population | 55.6% | 49.6% | 49.8% |
| Currently Married | 52.1% | 47.1% | 48.0% |
| Married but Separated | 3.5% | 2.4% | 1.8% |
| Single Population | 44.4% | 50.4% | 50.2% |
| Never Married | 25.3% | 34.6% | 33.8% |
| Divorced | 13.5% | 10.4% | 10.8% |
| Widowed | 5.6% | 5.5% | 5.6% |
| space5 | | | |
| Household Size | 2.89 | 2.69 | 2.60 |
| Households | 2,662 | 5,464 | 124,010,992 |
| Family Households | 1,941 | 3,920 | 80,755,759 |
| Married couple, w/children | 40.0% | 23.8% | 30.5% |
| Married couple, no children | 37.8% | 46.3% | 42.9% |
| Non Family Households | 721 | 1,544 | 43,255,233 |
| Single householder, w/children | 13.3% | 18.6% | 15.8% |
| Single householder, no children | 8.8% | 11.3% | 10.8% |