| | Woodstock, NH | Vandalia, IL | United States |
| Population | 1,392 | 6,459 | 329,725,481 |
| Female Population | 53.9% | 39.8% | 50.5% |
| Male Population | 46.1% | 60.2% | 49.5% |
| Median Age | 43 | 41.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,373 | 7,038 | 309,327,143 |
| Population - 2000 | 1,139 | 6,975 | 285,036,114 |
| Population - 1990 | 1,167 | 6,114 | 251,960,433 |
| Pop. 2000 to Now | 20.5% | -4.5% | 15.6% |
| Pop. 1990 to Now | 17.7% | 9.0% | 30.8% |
| space4 | | | |
| Population Density | 23.7 | 792.8 | 93.4 |
| Land Area | 58.7 | 8.1 | 3,531,905.4 |
| Water Area | 0.5 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Woodstock, NH | Vandalia, IL | United States |
| Age 0 to 4 | 7.9% | 4.8% | 5.9% |
| Age 5 to 9 | 5.5% | 4.5% | 6.1% |
| Age 10 to 14 | 6.3% | 4.0% | 6.6% |
| Age 15 to 17 | 3.4% | 2.9% | 3.9% |
| Age 18 to 20 | 1.1% | 3.9% | 4.0% |
| Age 21 to 24 | 6.8% | 6.0% | 5.2% |
| Age 25 to 34 | 12.9% | 15.4% | 13.8% |
| Age 35 to 44 | 12.8% | 13.4% | 12.9% |
| Age 45 to 54 | 12.7% | 13.1% | 12.6% |
| Age 55 to 59 | 3.2% | 8.6% | 6.7% |
| Age 60 to 64 | 6.2% | 7.4% | 6.3% |
| Age 65 to 74 | 13.1% | 8.4% | 9.6% |
| Age 75 to 84 | 4.7% | 6.0% | 4.5% |
| Age 85 and over | 3.4% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Woodstock, NH | Vandalia, IL | United States |
| White | 85.6% | 79.7% | 59.4% |
| Black | 0.0% | 13.9% | 12.2% |
| Asian | 3.1% | 0.0% | 5.6% |
| Native American | 0.9% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.3% | 0.4% | 3.2% |
| Hispanic | 10.2% | 5.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Woodstock, NH | Vandalia, IL | United States |
| Married Population | 52.6% | 35.3% | 49.8% |
| Currently Married | 52.6% | 34.0% | 48.0% |
| Married but Separated | 0.0% | 1.3% | 1.8% |
| Single Population | 47.4% | 64.7% | 50.2% |
| Never Married | 31.3% | 44.5% | 33.8% |
| Divorced | 10.6% | 13.3% | 10.8% |
| Widowed | 5.5% | 6.9% | 5.6% |
| space5 | | | |
| Household Size | 2.63 | 2.43 | 2.60 |
| Households | 529 | 2,090 | 124,010,992 |
| Family Households | 324 | 1,166 | 80,755,759 |
| Married couple, w/children | 41.4% | 23.8% | 30.5% |
| Married couple, no children | 41.4% | 45.0% | 42.9% |
| Non Family Households | 205 | 924 | 43,255,233 |
| Single householder, w/children | 8.6% | 20.6% | 15.8% |
| Single householder, no children | 8.6% | 10.6% | 10.8% |