| | Tunnelhill, PA | Chatsworth, GA | United States |
| Population | 300 | 4,764 | 329,725,481 |
| Female Population | 53.0% | 52.3% | 50.5% |
| Male Population | 47.0% | 47.7% | 49.5% |
| Median Age | 48.3 | 30.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 361 | 4,280 | 309,327,143 |
| Population - 2000 | 409 | 3,531 | 285,036,114 |
| Population - 1990 | 365 | 2,865 | 251,960,433 |
| Pop. 2000 to Now | -20.1% | 20.3% | 15.6% |
| Pop. 1990 to Now | -10.4% | 48.3% | 30.8% |
| space4 | | | |
| Population Density | 608.5 | 896.0 | 93.4 |
| Land Area | 0.5 | 5.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Tunnelhill, PA | Chatsworth, GA | United States |
| Age 0 to 4 | 3.3% | 10.8% | 5.9% |
| Age 5 to 9 | 2.3% | 6.8% | 6.1% |
| Age 10 to 14 | 6.3% | 4.6% | 6.6% |
| Age 15 to 17 | 5.0% | 5.3% | 3.9% |
| Age 18 to 20 | 4.0% | 5.7% | 4.0% |
| Age 21 to 24 | 3.0% | 4.9% | 5.2% |
| Age 25 to 34 | 8.7% | 18.1% | 13.8% |
| Age 35 to 44 | 12.7% | 13.7% | 12.9% |
| Age 45 to 54 | 20.3% | 10.0% | 12.6% |
| Age 55 to 59 | 5.7% | 2.6% | 6.7% |
| Age 60 to 64 | 8.0% | 4.9% | 6.3% |
| Age 65 to 74 | 10.3% | 8.7% | 9.6% |
| Age 75 to 84 | 4.0% | 2.8% | 4.5% |
| Age 85 and over | 6.3% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Tunnelhill, PA | Chatsworth, GA | United States |
| White | 98.7% | 70.3% | 59.4% |
| Black | 0.0% | 2.8% | 12.2% |
| Asian | 0.3% | 1.3% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.0% | 1.5% | 3.2% |
| Hispanic | 0.0% | 24.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Tunnelhill, PA | Chatsworth, GA | United States |
| Married Population | 54.9% | 55.1% | 49.8% |
| Currently Married | 52.7% | 51.8% | 48.0% |
| Married but Separated | 2.3% | 3.3% | 1.8% |
| Single Population | 45.1% | 44.9% | 50.2% |
| Never Married | 28.0% | 26.3% | 33.8% |
| Divorced | 10.6% | 10.4% | 10.8% |
| Widowed | 6.4% | 8.2% | 5.6% |
| space5 | | | |
| Household Size | 2.44 | 2.91 | 2.60 |
| Households | 121 | 1,557 | 124,010,992 |
| Family Households | 75 | 1,101 | 80,755,759 |
| Married couple, w/children | 30.7% | 47.1% | 30.5% |
| Married couple, no children | 49.3% | 31.8% | 42.9% |
| Non Family Households | 46 | 456 | 43,255,233 |
| Single householder, w/children | 4.0% | 16.3% | 15.8% |
| Single householder, no children | 16.0% | 4.7% | 10.8% |