| | Holland, VT | Hardwick, VT | United States |
| Population | 595 | 2,938 | 329,725,481 |
| Female Population | 48.9% | 52.5% | 50.5% |
| Male Population | 51.1% | 47.5% | 49.5% |
| Median Age | 42.9 | 43.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 629 | 2,996 | 309,327,143 |
| Population - 2000 | 588 | 3,174 | 285,036,114 |
| Population - 1990 | 423 | 2,964 | 251,960,433 |
| Pop. 2000 to Now | 3.4% | -10.6% | 15.6% |
| Pop. 1990 to Now | 43.7% | -4.2% | 30.8% |
| space4 | | | |
| Population Density | 15.9 | 76.1 | 93.4 |
| Land Area | 37.3 | 38.6 | 3,531,905.4 |
| Water Area | 0.7 | 0.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Holland, VT | Hardwick, VT | United States |
| Age 0 to 4 | 2.4% | 4.8% | 5.9% |
| Age 5 to 9 | 4.4% | 7.5% | 6.1% |
| Age 10 to 14 | 7.6% | 5.5% | 6.6% |
| Age 15 to 17 | 4.4% | 1.9% | 3.9% |
| Age 18 to 20 | 6.6% | 4.8% | 4.0% |
| Age 21 to 24 | 3.0% | 4.3% | 5.2% |
| Age 25 to 34 | 5.5% | 12.3% | 13.8% |
| Age 35 to 44 | 17.8% | 10.7% | 12.9% |
| Age 45 to 54 | 10.9% | 10.8% | 12.6% |
| Age 55 to 59 | 9.4% | 6.3% | 6.7% |
| Age 60 to 64 | 9.4% | 6.0% | 6.3% |
| Age 65 to 74 | 16.0% | 16.8% | 9.6% |
| Age 75 to 84 | 2.4% | 6.5% | 4.5% |
| Age 85 and over | 0.3% | 1.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Holland, VT | Hardwick, VT | United States |
| White | 97.3% | 93.4% | 59.4% |
| Black | 0.0% | 1.2% | 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 | 0.3% | 0.0% | 0.4% |
| Two or More Races | 2.4% | 4.8% | 3.2% |
| Hispanic | 0.0% | 0.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Holland, VT | Hardwick, VT | United States |
| Married Population | 56.7% | 54.9% | 49.8% |
| Currently Married | 54.7% | 53.9% | 48.0% |
| Married but Separated | 2.0% | 1.0% | 1.8% |
| Single Population | 43.3% | 45.1% | 50.2% |
| Never Married | 22.7% | 22.9% | 33.8% |
| Divorced | 15.5% | 13.9% | 10.8% |
| Widowed | 5.1% | 8.2% | 5.6% |
| space5 | | | |
| Household Size | 2.32 | 2.36 | 2.60 |
| Households | 256 | 1,224 | 124,010,992 |
| Family Households | 176 | 741 | 80,755,759 |
| Married couple, w/children | 34.7% | 40.2% | 30.5% |
| Married couple, no children | 47.2% | 40.4% | 42.9% |
| Non Family Households | 80 | 483 | 43,255,233 |
| Single householder, w/children | 9.7% | 12.1% | 15.8% |
| Single householder, no children | 8.5% | 7.3% | 10.8% |