| | Gilbert, WV | Beckley, WV | United States |
| Population | 342 | 17,261 | 329,725,481 |
| Female Population | 52.1% | 49.7% | 50.5% |
| Male Population | 48.0% | 50.3% | 49.5% |
| Median Age | 52.9 | 41.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 445 | 17,644 | 309,327,143 |
| Population - 2000 | 417 | 17,254 | 285,036,114 |
| Population - 1990 | 456 | 18,296 | 251,960,433 |
| Pop. 2000 to Now | -9.4% | -8.4% | 15.6% |
| Pop. 1990 to Now | -17.1% | -13.6% | 30.8% |
| space4 | | | |
| Population Density | 343.7 | 1,817.0 | 93.4 |
| Land Area | 1.0 | 9.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Gilbert, WV | Beckley, WV | United States |
| Age 0 to 4 | 0.9% | 5.5% | 5.9% |
| Age 5 to 9 | 1.5% | 7.4% | 6.1% |
| Age 10 to 14 | 6.4% | 6.6% | 6.6% |
| Age 15 to 17 | 1.5% | 3.3% | 3.9% |
| Age 18 to 20 | 4.4% | 4.0% | 4.0% |
| Age 21 to 24 | 2.3% | 3.8% | 5.2% |
| Age 25 to 34 | 9.4% | 13.5% | 13.8% |
| Age 35 to 44 | 11.4% | 11.7% | 12.9% |
| Age 45 to 54 | 19.3% | 11.3% | 12.6% |
| Age 55 to 59 | 9.6% | 7.1% | 6.7% |
| Age 60 to 64 | 4.4% | 6.7% | 6.3% |
| Age 65 to 74 | 23.7% | 11.7% | 9.6% |
| Age 75 to 84 | 3.2% | 5.8% | 4.5% |
| Age 85 and over | 2.0% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Gilbert, WV | Beckley, WV | United States |
| White | 100.0% | 71.5% | 59.4% |
| Black | 0.0% | 18.5% | 12.2% |
| Asian | 0.0% | 2.7% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 0.0% | 4.4% | 3.2% |
| Hispanic | 0.0% | 2.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Gilbert, WV | Beckley, WV | United States |
| Married Population | 62.5% | 40.8% | 49.8% |
| Currently Married | 62.5% | 39.6% | 48.0% |
| Married but Separated | 0.0% | 1.2% | 1.8% |
| Single Population | 37.5% | 59.2% | 50.2% |
| Never Married | 20.2% | 33.4% | 33.8% |
| Divorced | 12.2% | 17.9% | 10.8% |
| Widowed | 5.1% | 7.9% | 5.6% |
| space5 | | | |
| Household Size | 2.15 | 2.32 | 2.60 |
| Households | 159 | 7,154 | 124,010,992 |
| Family Households | 107 | 4,253 | 80,755,759 |
| Married couple, w/children | 23.4% | 24.0% | 30.5% |
| Married couple, no children | 68.2% | 34.3% | 42.9% |
| Non Family Households | 52 | 2,901 | 43,255,233 |
| Single householder, w/children | 4.7% | 24.9% | 15.8% |
| Single householder, no children | 3.7% | 16.8% | 10.8% |