| | Delta, OH | Wintersville, OH | United States |
| Population | 2,790 | 3,892 | 329,725,481 |
| Female Population | 53.2% | 49.5% | 50.5% |
| Male Population | 46.8% | 50.5% | 49.5% |
| Median Age | 35.7 | 49.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,085 | 3,914 | 309,327,143 |
| Population - 2000 | 2,930 | 4,067 | 285,036,114 |
| Population - 1990 | 2,849 | 4,102 | 251,960,433 |
| Pop. 2000 to Now | 5.3% | -10.4% | 15.6% |
| Pop. 1990 to Now | 8.3% | -11.1% | 30.8% |
| space4 | | | |
| Population Density | 955.5 | 1,245.4 | 93.4 |
| Land Area | 2.9 | 3.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Delta, OH | Wintersville, OH | United States |
| Age 0 to 4 | 6.1% | 1.7% | 5.9% |
| Age 5 to 9 | 6.9% | 2.0% | 6.1% |
| Age 10 to 14 | 10.9% | 13.3% | 6.6% |
| Age 15 to 17 | 6.0% | 6.8% | 3.9% |
| Age 18 to 20 | 3.9% | 1.1% | 4.0% |
| Age 21 to 24 | 6.1% | 6.1% | 5.2% |
| Age 25 to 34 | 8.9% | 5.8% | 13.8% |
| Age 35 to 44 | 13.2% | 9.7% | 12.9% |
| Age 45 to 54 | 12.3% | 15.6% | 12.6% |
| Age 55 to 59 | 4.5% | 6.1% | 6.7% |
| Age 60 to 64 | 6.5% | 9.1% | 6.3% |
| Age 65 to 74 | 10.3% | 13.0% | 9.6% |
| Age 75 to 84 | 3.5% | 8.6% | 4.5% |
| Age 85 and over | 0.8% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Delta, OH | Wintersville, OH | United States |
| White | 83.3% | 90.7% | 59.4% |
| Black | 0.3% | 5.3% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.9% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.4% | 2.1% | 3.2% |
| Hispanic | 15.1% | 1.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Delta, OH | Wintersville, OH | United States |
| Married Population | 59.0% | 44.1% | 49.8% |
| Currently Married | 58.4% | 42.6% | 48.0% |
| Married but Separated | 0.6% | 1.5% | 1.8% |
| Single Population | 41.0% | 55.9% | 50.2% |
| Never Married | 23.6% | 30.5% | 33.8% |
| Divorced | 13.9% | 16.6% | 10.8% |
| Widowed | 3.6% | 8.8% | 5.6% |
| space5 | | | |
| Household Size | 2.56 | 2.33 | 2.60 |
| Households | 1,085 | 1,633 | 124,010,992 |
| Family Households | 766 | 1,104 | 80,755,759 |
| Married couple, w/children | 33.6% | 26.3% | 30.5% |
| Married couple, no children | 43.0% | 35.5% | 42.9% |
| Non Family Households | 319 | 529 | 43,255,233 |
| Single householder, w/children | 14.9% | 23.6% | 15.8% |
| Single householder, no children | 8.6% | 14.7% | 10.8% |