| | Foxborough, MA | Eldorado at Santa Fe, NM | United States |
| Population | 18,431 | 5,419 | 329,725,481 |
| Female Population | 51.8% | 51.2% | 50.5% |
| Male Population | 48.2% | 48.8% | 49.5% |
| Median Age | 41.7 | 62.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 16,911 | 5,810 | 309,327,143 |
| Population - 2000 | 16,246 | 5,799 | 285,036,114 |
| Population - 1990 | 14,637 | 2,260 | 251,960,433 |
| Pop. 2000 to Now | 13.3% | 9.7% | 15.6% |
| Pop. 1990 to Now | 25.7% | 181.4% | 30.8% |
| space4 | | | |
| Population Density | 928.6 | 260.9 | 93.4 |
| Land Area | 19.8 | 20.8 | 3,531,905.4 |
| Water Area | 1.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Foxborough, MA | Eldorado at Santa Fe, NM | United States |
| Age 0 to 4 | 4.8% | 1.4% | 5.9% |
| Age 5 to 9 | 5.1% | 2.5% | 6.1% |
| Age 10 to 14 | 7.9% | 3.5% | 6.6% |
| Age 15 to 17 | 3.5% | 1.4% | 3.9% |
| Age 18 to 20 | 5.2% | 0.4% | 4.0% |
| Age 21 to 24 | 4.5% | 1.6% | 5.2% |
| Age 25 to 34 | 11.9% | 5.5% | 13.8% |
| Age 35 to 44 | 9.9% | 5.9% | 12.9% |
| Age 45 to 54 | 15.8% | 10.1% | 12.6% |
| Age 55 to 59 | 7.3% | 10.0% | 6.7% |
| Age 60 to 64 | 6.7% | 13.8% | 6.3% |
| Age 65 to 74 | 11.0% | 33.1% | 9.6% |
| Age 75 to 84 | 4.2% | 9.0% | 4.5% |
| Age 85 and over | 2.0% | 1.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Foxborough, MA | Eldorado at Santa Fe, NM | United States |
| White | 79.2% | 79.4% | 59.4% |
| Black | 5.4% | 1.4% | 12.2% |
| Asian | 6.4% | 2.6% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.3% | 0.4% |
| Two or More Races | 3.9% | 1.6% | 3.2% |
| Hispanic | 4.6% | 14.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Foxborough, MA | Eldorado at Santa Fe, NM | United States |
| Married Population | 56.3% | 66.4% | 49.8% |
| Currently Married | 54.8% | 66.1% | 48.0% |
| Married but Separated | 1.5% | 0.3% | 1.8% |
| Single Population | 43.7% | 33.6% | 50.2% |
| Never Married | 27.4% | 13.2% | 33.8% |
| Divorced | 10.3% | 16.2% | 10.8% |
| Widowed | 6.0% | 4.2% | 5.6% |
| space5 | | | |
| Household Size | 2.53 | 2.05 | 2.60 |
| Households | 7,289 | 2,647 | 124,010,992 |
| Family Households | 4,747 | 1,614 | 80,755,759 |
| Married couple, w/children | 35.2% | 19.0% | 30.5% |
| Married couple, no children | 46.4% | 77.3% | 42.9% |
| Non Family Households | 2,542 | 1,033 | 43,255,233 |
| Single householder, w/children | 9.9% | 0.8% | 15.8% |
| Single householder, no children | 8.5% | 2.9% | 10.8% |