| | Zanesfield, OH | Kenton, OH | United States |
| Population | 237 | 8,032 | 329,725,481 |
| Female Population | 52.3% | 50.3% | 50.5% |
| Male Population | 47.7% | 49.7% | 49.5% |
| Median Age | 37.5 | 39.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 196 | 8,339 | 309,327,143 |
| Population - 2000 | 220 | 8,336 | 285,036,114 |
| Population - 1990 | 183 | 8,356 | 251,960,433 |
| Pop. 2000 to Now | -11.8% | -1.4% | 15.6% |
| Pop. 1990 to Now | 6.0% | -1.7% | 30.8% |
| space4 | | | |
| Population Density | 2,235.9 | 1,578.6 | 93.4 |
| Land Area | 0.1 | 5.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Zanesfield, OH | Kenton, OH | United States |
| Age 0 to 4 | 5.1% | 5.0% | 5.9% |
| Age 5 to 9 | 5.1% | 9.1% | 6.1% |
| Age 10 to 14 | 8.0% | 4.6% | 6.6% |
| Age 15 to 17 | 8.4% | 4.5% | 3.9% |
| Age 18 to 20 | 0.0% | 4.5% | 4.0% |
| Age 21 to 24 | 7.2% | 8.4% | 5.2% |
| Age 25 to 34 | 15.6% | 9.5% | 13.8% |
| Age 35 to 44 | 11.8% | 13.4% | 12.9% |
| Age 45 to 54 | 16.9% | 7.8% | 12.6% |
| Age 55 to 59 | 5.1% | 9.8% | 6.7% |
| Age 60 to 64 | 3.4% | 6.0% | 6.3% |
| Age 65 to 74 | 5.5% | 8.7% | 9.6% |
| Age 75 to 84 | 4.6% | 4.4% | 4.5% |
| Age 85 and over | 3.4% | 4.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Zanesfield, OH | Kenton, OH | United States |
| White | 95.8% | 94.8% | 59.4% |
| Black | 0.0% | 1.1% | 12.2% |
| Asian | 0.0% | 0.2% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.2% | 3.4% | 3.2% |
| Hispanic | 0.0% | 0.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Zanesfield, OH | Kenton, OH | United States |
| Married Population | 48.5% | 45.8% | 49.8% |
| Currently Married | 47.4% | 43.5% | 48.0% |
| Married but Separated | 1.0% | 2.3% | 1.8% |
| Single Population | 51.5% | 54.2% | 50.2% |
| Never Married | 30.4% | 29.6% | 33.8% |
| Divorced | 21.1% | 15.2% | 10.8% |
| Widowed | 0.0% | 9.5% | 5.6% |
| space5 | | | |
| Household Size | 2.49 | 2.30 | 2.60 |
| Households | 95 | 3,382 | 124,010,992 |
| Family Households | 65 | 2,026 | 80,755,759 |
| Married couple, w/children | 26.2% | 24.3% | 30.5% |
| Married couple, no children | 43.1% | 41.0% | 42.9% |
| Non Family Households | 30 | 1,356 | 43,255,233 |
| Single householder, w/children | 24.6% | 25.0% | 15.8% |
| Single householder, no children | 6.2% | 9.7% | 10.8% |