| | Westminster, VT | Madelia, MN | United States |
| Population | 3,061 | 2,412 | 329,725,481 |
| Female Population | 50.2% | 54.0% | 50.5% |
| Male Population | 49.8% | 46.0% | 49.5% |
| Median Age | 51.7 | 35.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,185 | 2,321 | 309,327,143 |
| Population - 2000 | 3,210 | 2,340 | 285,036,114 |
| Population - 1990 | 3,026 | 2,237 | 251,960,433 |
| Pop. 2000 to Now | -8.0% | -4.9% | 15.6% |
| Pop. 1990 to Now | -2.5% | -0.5% | 30.8% |
| space4 | | | |
| Population Density | 66.8 | 1,586.8 | 93.4 |
| Land Area | 45.8 | 1.5 | 3,531,905.4 |
| Water Area | 0.3 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Westminster, VT | Madelia, MN | United States |
| Age 0 to 4 | 4.1% | 13.4% | 5.9% |
| Age 5 to 9 | 3.6% | 6.6% | 6.1% |
| Age 10 to 14 | 9.3% | 3.0% | 6.6% |
| Age 15 to 17 | 4.5% | 3.1% | 3.9% |
| Age 18 to 20 | 1.3% | 3.2% | 4.0% |
| Age 21 to 24 | 2.0% | 6.4% | 5.2% |
| Age 25 to 34 | 6.3% | 14.3% | 13.8% |
| Age 35 to 44 | 8.8% | 6.1% | 12.9% |
| Age 45 to 54 | 19.2% | 13.2% | 12.6% |
| Age 55 to 59 | 7.6% | 6.5% | 6.7% |
| Age 60 to 64 | 8.4% | 5.7% | 6.3% |
| Age 65 to 74 | 18.4% | 8.6% | 9.6% |
| Age 75 to 84 | 6.0% | 6.3% | 4.5% |
| Age 85 and over | 0.5% | 3.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Westminster, VT | Madelia, MN | United States |
| White | 87.5% | 67.6% | 59.4% |
| Black | 5.4% | 1.4% | 12.2% |
| Asian | 0.2% | 1.9% | 5.6% |
| Native American | 0.7% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 2.0% | 2.4% | 3.2% |
| Hispanic | 3.7% | 26.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Westminster, VT | Madelia, MN | United States |
| Married Population | 51.6% | 48.9% | 49.8% |
| Currently Married | 51.3% | 47.6% | 48.0% |
| Married but Separated | 0.3% | 1.3% | 1.8% |
| Single Population | 48.4% | 51.1% | 50.2% |
| Never Married | 22.9% | 31.3% | 33.8% |
| Divorced | 15.7% | 11.7% | 10.8% |
| Widowed | 9.8% | 8.2% | 5.6% |
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| Household Size | 2.38 | 2.85 | 2.60 |
| Households | 1,210 | 818 | 124,010,992 |
| Family Households | 730 | 558 | 80,755,759 |
| Married couple, w/children | 29.3% | 31.5% | 30.5% |
| Married couple, no children | 53.3% | 38.0% | 42.9% |
| Non Family Households | 480 | 260 | 43,255,233 |
| Single householder, w/children | 4.7% | 22.0% | 15.8% |
| Single householder, no children | 12.7% | 8.4% | 10.8% |