| | Forest Hills, NC | Glenville, NC | United States |
| Population | 335 | 115 | 329,725,481 |
| Female Population | 43.0% | 73.0% | 50.5% |
| Male Population | 57.0% | 27.0% | 49.5% |
| Median Age | 50.1 | 59.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 354 | 382 | 309,327,143 |
| Population - 2000 | 330 | 81 | 285,036,114 |
| Population - 1990 | 203 | 65 | 251,960,433 |
| Pop. 2000 to Now | 13.9% | 0.0% | 15.6% |
| Pop. 1990 to Now | 85.2% | 24.6% | 30.8% |
| space4 | | | |
| Population Density | 675.4 | 86.0 | 93.4 |
| Land Area | 0.5 | 1.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Forest Hills, NC | Glenville, NC | United States |
| Age 0 to 4 | 1.5% | 0.0% | 5.9% |
| Age 5 to 9 | 2.7% | 0.0% | 6.1% |
| Age 10 to 14 | 4.2% | 0.0% | 6.6% |
| Age 15 to 17 | 0.3% | 0.0% | 3.9% |
| Age 18 to 20 | 13.7% | 0.0% | 4.0% |
| Age 21 to 24 | 10.7% | 0.0% | 5.2% |
| Age 25 to 34 | 8.7% | 7.0% | 13.8% |
| Age 35 to 44 | 2.7% | 7.0% | 12.9% |
| Age 45 to 54 | 15.2% | 24.3% | 12.6% |
| Age 55 to 59 | 2.7% | 13.9% | 6.7% |
| Age 60 to 64 | 3.9% | 0.0% | 6.3% |
| Age 65 to 74 | 8.7% | 27.0% | 9.6% |
| Age 75 to 84 | 7.5% | 8.7% | 4.5% |
| Age 85 and over | 17.6% | 12.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Forest Hills, NC | Glenville, NC | United States |
| White | 87.5% | 100.0% | 59.4% |
| Black | 0.9% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.9% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 8.4% | 0.0% | 3.2% |
| Hispanic | 2.4% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Forest Hills, NC | Glenville, NC | United States |
| Married Population | 31.9% | 57.4% | 49.8% |
| Currently Married | 31.3% | 57.4% | 48.0% |
| Married but Separated | 0.7% | 0.0% | 1.8% |
| Single Population | 68.1% | 42.6% | 50.2% |
| Never Married | 33.2% | 0.0% | 33.8% |
| Divorced | 14.3% | 28.7% | 10.8% |
| Widowed | 20.5% | 13.9% | 5.6% |
| space5 | | | |
| Household Size | 1.72 | 2.40 | 2.60 |
| Households | 195 | 48 | 124,010,992 |
| Family Households | 63 | 27 | 80,755,759 |
| Married couple, w/children | 19.0% | 0.0% | 30.5% |
| Married couple, no children | 61.9% | 100.0% | 42.9% |
| Non Family Households | 132 | 21 | 43,255,233 |
| Single householder, w/children | 3.2% | 0.0% | 15.8% |
| Single householder, no children | 15.9% | 0.0% | 10.8% |