| | Westminster, MA | Conroe, TX | United States |
| Population | 8,148 | 87,930 | 329,725,481 |
| Female Population | 50.8% | 49.6% | 50.5% |
| Male Population | 49.2% | 50.4% | 49.5% |
| Median Age | 47.4 | 32.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 7,280 | 65,712 | 309,327,143 |
| Population - 2000 | 6,907 | 36,811 | 285,036,114 |
| Population - 1990 | 6,191 | 27,610 | 251,960,433 |
| Pop. 2000 to Now | 17.1% | 161.4% | 15.6% |
| Pop. 1990 to Now | 30.7% | 248.5% | 30.8% |
| space4 | | | |
| Population Density | 230.0 | 1,252.9 | 93.4 |
| Land Area | 35.4 | 70.2 | 3,531,905.4 |
| Water Area | 1.8 | 0.8 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Westminster, MA | Conroe, TX | United States |
| Age 0 to 4 | 4.6% | 6.9% | 5.9% |
| Age 5 to 9 | 6.8% | 6.6% | 6.1% |
| Age 10 to 14 | 5.4% | 7.7% | 6.6% |
| Age 15 to 17 | 3.3% | 3.7% | 3.9% |
| Age 18 to 20 | 2.5% | 3.6% | 4.0% |
| Age 21 to 24 | 2.6% | 7.7% | 5.2% |
| Age 25 to 34 | 10.0% | 16.6% | 13.8% |
| Age 35 to 44 | 13.4% | 12.8% | 12.9% |
| Age 45 to 54 | 11.2% | 11.0% | 12.6% |
| Age 55 to 59 | 8.0% | 5.3% | 6.7% |
| Age 60 to 64 | 10.4% | 4.6% | 6.3% |
| Age 65 to 74 | 17.0% | 7.7% | 9.6% |
| Age 75 to 84 | 4.2% | 4.0% | 4.5% |
| Age 85 and over | 0.6% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Westminster, MA | Conroe, TX | United States |
| White | 97.5% | 52.9% | 59.4% |
| Black | 0.0% | 11.8% | 12.2% |
| Asian | 0.0% | 2.9% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 0.6% | 1.9% | 3.2% |
| Hispanic | 1.9% | 30.2% | 18.4% |
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| Marriage & Family | | | |
| | Westminster, MA | Conroe, TX | United States |
| Married Population | 60.3% | 52.6% | 49.8% |
| Currently Married | 59.9% | 50.3% | 48.0% |
| Married but Separated | 0.5% | 2.3% | 1.8% |
| Single Population | 39.7% | 47.4% | 50.2% |
| Never Married | 27.2% | 32.5% | 33.8% |
| Divorced | 7.2% | 9.5% | 10.8% |
| Widowed | 5.3% | 5.3% | 5.6% |
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| Household Size | 2.61 | 2.64 | 2.60 |
| Households | 3,122 | 32,775 | 124,010,992 |
| Family Households | 2,310 | 21,497 | 80,755,759 |
| Married couple, w/children | 30.2% | 36.8% | 30.5% |
| Married couple, no children | 58.1% | 38.8% | 42.9% |
| Non Family Households | 812 | 11,278 | 43,255,233 |
| Single householder, w/children | 7.9% | 15.0% | 15.8% |
| Single householder, no children | 3.9% | 9.3% | 10.8% |