| | Davis, WV | Pittsburg, NH | United States |
| Population | 846 | 724 | 329,725,481 |
| Female Population | 52.7% | 48.5% | 50.5% |
| Male Population | 47.3% | 51.5% | 49.5% |
| Median Age | 49.4 | 63.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 660 | 867 | 309,327,143 |
| Population - 2000 | 624 | 867 | 285,036,114 |
| Population - 1990 | 799 | 901 | 251,960,433 |
| Pop. 2000 to Now | 2.9% | -5.3% | 15.6% |
| Pop. 1990 to Now | -19.7% | -8.9% | 30.8% |
| space4 | | | |
| Population Density | 462.0 | 2.6 | 93.4 |
| Land Area | 1.8 | 281.4 | 3,531,905.4 |
| Water Area | 0.0 | 9.8 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Davis, WV | Pittsburg, NH | United States |
| Age 0 to 4 | 1.2% | 0.4% | 5.9% |
| Age 5 to 9 | 3.8% | 0.7% | 6.1% |
| Age 10 to 14 | 5.8% | 4.0% | 6.6% |
| Age 15 to 17 | 0.7% | 0.0% | 3.9% |
| Age 18 to 20 | 5.7% | 1.9% | 4.0% |
| Age 21 to 24 | 2.7% | 3.5% | 5.2% |
| Age 25 to 34 | 9.6% | 5.1% | 13.8% |
| Age 35 to 44 | 14.4% | 4.4% | 12.9% |
| Age 45 to 54 | 17.6% | 12.2% | 12.6% |
| Age 55 to 59 | 7.2% | 12.7% | 6.7% |
| Age 60 to 64 | 10.2% | 10.4% | 6.3% |
| Age 65 to 74 | 16.3% | 34.4% | 9.6% |
| Age 75 to 84 | 1.9% | 8.6% | 4.5% |
| Age 85 and over | 3.0% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Davis, WV | Pittsburg, NH | United States |
| White | 97.3% | 97.9% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 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 | 2.4% | 1.0% | 3.2% |
| Hispanic | 0.4% | 1.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Davis, WV | Pittsburg, NH | United States |
| Married Population | 50.6% | 62.3% | 49.8% |
| Currently Married | 50.2% | 60.4% | 48.0% |
| Married but Separated | 0.4% | 1.9% | 1.8% |
| Single Population | 49.4% | 37.7% | 50.2% |
| Never Married | 31.3% | 15.4% | 33.8% |
| Divorced | 10.2% | 16.7% | 10.8% |
| Widowed | 7.9% | 5.5% | 5.6% |
| space5 | | | |
| Household Size | 2.24 | 1.75 | 2.60 |
| Households | 378 | 414 | 124,010,992 |
| Family Households | 174 | 214 | 80,755,759 |
| Married couple, w/children | 33.3% | 17.8% | 30.5% |
| Married couple, no children | 52.3% | 81.3% | 42.9% |
| Non Family Households | 204 | 200 | 43,255,233 |
| Single householder, w/children | 8.6% | 0.0% | 15.8% |
| Single householder, no children | 5.7% | 0.9% | 10.8% |