| | Avon, CO | Northborough, MA | United States |
| Population | 6,209 | 15,605 | 329,725,481 |
| Female Population | 47.6% | 53.8% | 50.5% |
| Male Population | 52.4% | 46.2% | 49.5% |
| Median Age | 33.5 | 44.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 6,386 | 14,436 | 309,327,143 |
| Population - 2000 | 5,561 | 14,013 | 285,036,114 |
| Population - 1990 | 1,798 | 11,929 | 251,960,433 |
| Pop. 2000 to Now | 25.0% | 7.3% | 15.6% |
| Pop. 1990 to Now | 286.7% | 26.1% | 30.8% |
| space4 | | | |
| Population Density | 759.3 | 844.6 | 93.4 |
| Land Area | 8.2 | 18.5 | 3,531,905.4 |
| Water Area | 0.1 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Avon, CO | Northborough, MA | United States |
| Age 0 to 4 | 8.1% | 4.1% | 5.9% |
| Age 5 to 9 | 7.6% | 5.8% | 6.1% |
| Age 10 to 14 | 6.9% | 7.6% | 6.6% |
| Age 15 to 17 | 3.4% | 5.2% | 3.9% |
| Age 18 to 20 | 3.8% | 2.2% | 4.0% |
| Age 21 to 24 | 2.5% | 4.4% | 5.2% |
| Age 25 to 34 | 20.9% | 8.7% | 13.8% |
| Age 35 to 44 | 18.9% | 13.3% | 12.9% |
| Age 45 to 54 | 15.3% | 21.1% | 12.6% |
| Age 55 to 59 | 8.4% | 6.3% | 6.7% |
| Age 60 to 64 | 4.2% | 7.6% | 6.3% |
| Age 65 to 74 | 0.0% | 9.3% | 9.6% |
| Age 75 to 84 | 0.0% | 2.7% | 4.5% |
| Age 85 and over | 0.0% | 1.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Avon, CO | Northborough, MA | United States |
| White | 51.9% | 78.2% | 59.4% |
| Black | 0.6% | 3.9% | 12.2% |
| Asian | 8.5% | 10.7% | 5.6% |
| Native American | 0.7% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 5.6% | 3.2% | 3.2% |
| Hispanic | 32.7% | 3.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Avon, CO | Northborough, MA | United States |
| Married Population | 59.6% | 62.9% | 49.8% |
| Currently Married | 58.7% | 62.1% | 48.0% |
| Married but Separated | 0.9% | 0.7% | 1.8% |
| Single Population | 40.4% | 37.1% | 50.2% |
| Never Married | 33.4% | 25.6% | 33.8% |
| Divorced | 6.1% | 7.4% | 10.8% |
| Widowed | 0.9% | 4.1% | 5.6% |
| space5 | | | |
| Household Size | 2.73 | 2.73 | 2.60 |
| Households | 2,274 | 5,662 | 124,010,992 |
| Family Households | 1,469 | 4,470 | 80,755,759 |
| Married couple, w/children | 39.1% | 41.5% | 30.5% |
| Married couple, no children | 50.7% | 44.0% | 42.9% |
| Non Family Households | 805 | 1,192 | 43,255,233 |
| Single householder, w/children | 10.1% | 7.9% | 15.8% |
| Single householder, no children | 0.0% | 6.6% | 10.8% |