| | Egremont, MA | Bethlehem, CT | United States |
| Population | 1,521 | 3,408 | 329,725,481 |
| Female Population | 50.2% | 48.2% | 50.5% |
| Male Population | 49.8% | 51.8% | 49.5% |
| Median Age | 47.4 | 50.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,223 | 3,576 | 309,327,143 |
| Population - 2000 | 1,345 | 3,422 | 285,036,114 |
| Population - 1990 | 1,229 | 3,071 | 251,960,433 |
| Pop. 2000 to Now | -10.6% | -1.1% | 15.6% |
| Pop. 1990 to Now | -2.2% | 10.2% | 30.8% |
| space4 | | | |
| Population Density | 81.4 | 175.9 | 93.4 |
| Land Area | 18.7 | 19.4 | 3,531,905.4 |
| Water Area | 0.2 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Egremont, MA | Bethlehem, CT | United States |
| Age 0 to 4 | 8.4% | 3.0% | 5.9% |
| Age 5 to 9 | 2.2% | 3.8% | 6.1% |
| Age 10 to 14 | 3.4% | 7.0% | 6.6% |
| Age 15 to 17 | 2.0% | 7.5% | 3.9% |
| Age 18 to 20 | 2.0% | 5.3% | 4.0% |
| Age 21 to 24 | 10.8% | 2.7% | 5.2% |
| Age 25 to 34 | 12.0% | 8.0% | 13.8% |
| Age 35 to 44 | 5.2% | 7.1% | 12.9% |
| Age 45 to 54 | 16.9% | 12.1% | 12.6% |
| Age 55 to 59 | 4.1% | 9.2% | 6.7% |
| Age 60 to 64 | 10.4% | 13.0% | 6.3% |
| Age 65 to 74 | 12.0% | 14.6% | 9.6% |
| Age 75 to 84 | 7.9% | 5.1% | 4.5% |
| Age 85 and over | 2.6% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Egremont, MA | Bethlehem, CT | United States |
| White | 88.8% | 91.3% | 59.4% |
| Black | 0.0% | 0.9% | 12.2% |
| Asian | 0.0% | 2.2% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 2.9% | 0.6% | 0.4% |
| Two or More Races | 0.0% | 1.7% | 3.2% |
| Hispanic | 8.3% | 3.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Egremont, MA | Bethlehem, CT | United States |
| Married Population | 53.6% | 52.3% | 49.8% |
| Currently Married | 53.6% | 51.4% | 48.0% |
| Married but Separated | 0.0% | 0.9% | 1.8% |
| Single Population | 46.4% | 47.7% | 50.2% |
| Never Married | 30.7% | 32.3% | 33.8% |
| Divorced | 13.4% | 12.8% | 10.8% |
| Widowed | 2.3% | 2.6% | 5.6% |
| space5 | | | |
| Household Size | 2.56 | 2.48 | 2.60 |
| Households | 591 | 1,340 | 124,010,992 |
| Family Households | 386 | 893 | 80,755,759 |
| Married couple, w/children | 19.7% | 24.2% | 30.5% |
| Married couple, no children | 64.0% | 58.9% | 42.9% |
| Non Family Households | 205 | 447 | 43,255,233 |
| Single householder, w/children | 13.2% | 10.2% | 15.8% |
| Single householder, no children | 3.1% | 6.7% | 10.8% |