| | Baldwinville, MA | Mooresville, NC | United States |
| Population | 2,148 | 48,431 | 329,725,481 |
| Female Population | 38.3% | 51.5% | 50.5% |
| Male Population | 61.7% | 48.5% | 49.5% |
| Median Age | 34.3 | 35.9 | 38.4 |
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| Population - 2010 | 2,002 | 34,447 | 309,327,143 |
| Population - 2000 | 1,852 | 18,823 | 285,036,114 |
| Population - 1990 | 1,795 | 9,317 | 251,960,433 |
| Pop. 2000 to Now | 9.8% | 112.3% | 15.6% |
| Pop. 1990 to Now | 13.3% | 328.9% | 30.8% |
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| Population Density | 837.1 | 1,982.9 | 93.4 |
| Land Area | 2.6 | 24.4 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Baldwinville, MA | Mooresville, NC | United States |
| Age 0 to 4 | 17.6% | 6.2% | 5.9% |
| Age 5 to 9 | 2.8% | 6.3% | 6.1% |
| Age 10 to 14 | 9.3% | 8.3% | 6.6% |
| Age 15 to 17 | 2.3% | 4.7% | 3.9% |
| Age 18 to 20 | 1.5% | 3.9% | 4.0% |
| Age 21 to 24 | 1.5% | 4.9% | 5.2% |
| Age 25 to 34 | 16.2% | 14.0% | 13.8% |
| Age 35 to 44 | 15.5% | 14.4% | 12.9% |
| Age 45 to 54 | 5.6% | 14.5% | 12.6% |
| Age 55 to 59 | 5.7% | 5.3% | 6.7% |
| Age 60 to 64 | 5.3% | 5.2% | 6.3% |
| Age 65 to 74 | 5.7% | 7.6% | 9.6% |
| Age 75 to 84 | 8.1% | 3.4% | 4.5% |
| Age 85 and over | 3.0% | 1.2% | 1.9% |
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| Race | | | |
| | Baldwinville, MA | Mooresville, NC | United States |
| White | 93.2% | 74.8% | 59.4% |
| Black | 0.0% | 10.0% | 12.2% |
| Asian | 2.1% | 4.7% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.6% | 0.4% |
| Two or More Races | 0.0% | 2.7% | 3.2% |
| Hispanic | 4.7% | 7.2% | 18.4% |
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| Marriage & Family | | | |
| | Baldwinville, MA | Mooresville, NC | United States |
| Married Population | 48.6% | 53.4% | 49.8% |
| Currently Married | 39.4% | 51.4% | 48.0% |
| Married but Separated | 9.1% | 2.0% | 1.8% |
| Single Population | 51.4% | 46.6% | 50.2% |
| Never Married | 22.1% | 29.9% | 33.8% |
| Divorced | 20.4% | 11.6% | 10.8% |
| Widowed | 8.9% | 5.0% | 5.6% |
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| Household Size | 2.73 | 2.57 | 2.60 |
| Households | 752 | 18,744 | 124,010,992 |
| Family Households | 479 | 12,948 | 80,755,759 |
| Married couple, w/children | 22.1% | 38.0% | 30.5% |
| Married couple, no children | 38.4% | 35.5% | 42.9% |
| Non Family Households | 273 | 5,796 | 43,255,233 |
| Single householder, w/children | 35.9% | 16.2% | 15.8% |
| Single householder, no children | 3.5% | 10.3% | 10.8% |