| | Granville, OH | Ostrander, OH | United States |
| Population | 5,675 | 893 | 329,725,481 |
| Female Population | 48.4% | 48.8% | 50.5% |
| Male Population | 51.7% | 51.2% | 49.5% |
| Median Age | 21.8 | 37.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 5,678 | 643 | 309,327,143 |
| Population - 2000 | 3,167 | 405 | 285,036,114 |
| Population - 1990 | 4,353 | 431 | 251,960,433 |
| Pop. 2000 to Now | 84.0% | 88.6% | 15.6% |
| Pop. 1990 to Now | 33.9% | 77.3% | 30.8% |
| space4 | | | |
| Population Density | 1,187.5 | 1,060.6 | 93.4 |
| Land Area | 4.8 | 0.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Granville, OH | Ostrander, OH | United States |
| Age 0 to 4 | 4.1% | 10.0% | 5.9% |
| Age 5 to 9 | 1.7% | 8.3% | 6.1% |
| Age 10 to 14 | 5.8% | 8.0% | 6.6% |
| Age 15 to 17 | 2.2% | 4.7% | 3.9% |
| Age 18 to 20 | 29.6% | 2.6% | 4.0% |
| Age 21 to 24 | 11.7% | 3.8% | 5.2% |
| Age 25 to 34 | 8.2% | 7.6% | 13.8% |
| Age 35 to 44 | 4.6% | 18.0% | 12.9% |
| Age 45 to 54 | 8.5% | 7.5% | 12.6% |
| Age 55 to 59 | 3.6% | 6.2% | 6.7% |
| Age 60 to 64 | 4.7% | 10.1% | 6.3% |
| Age 65 to 74 | 9.1% | 9.3% | 9.6% |
| Age 75 to 84 | 3.8% | 3.8% | 4.5% |
| Age 85 and over | 2.4% | 0.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Granville, OH | Ostrander, OH | United States |
| White | 86.9% | 97.1% | 59.4% |
| Black | 0.9% | 0.0% | 12.2% |
| Asian | 6.4% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 1.9% | 2.1% | 3.2% |
| Hispanic | 3.8% | 0.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Granville, OH | Ostrander, OH | United States |
| Married Population | 38.1% | 67.1% | 49.8% |
| Currently Married | 38.1% | 67.1% | 48.0% |
| Married but Separated | 0.0% | 0.0% | 1.8% |
| Single Population | 61.9% | 32.9% | 50.2% |
| Never Married | 54.5% | 16.4% | 33.8% |
| Divorced | 5.0% | 7.9% | 10.8% |
| Widowed | 2.4% | 8.6% | 5.6% |
| space5 | | | |
| Household Size | 2.29 | 3.04 | 2.60 |
| Households | 1,500 | 294 | 124,010,992 |
| Family Households | 1,042 | 231 | 80,755,759 |
| Married couple, w/children | 40.2% | 43.7% | 30.5% |
| Married couple, no children | 49.0% | 47.2% | 42.9% |
| Non Family Households | 458 | 63 | 43,255,233 |
| Single householder, w/children | 7.6% | 8.7% | 15.8% |
| Single householder, no children | 3.2% | 0.4% | 10.8% |