| | Dalton, MA | Champaign, IL | United States |
| Population | 6,356 | 88,343 | 329,725,481 |
| Female Population | 51.1% | 48.4% | 50.5% |
| Male Population | 48.9% | 51.6% | 49.5% |
| Median Age | 52.4 | 26.9 | 38.4 |
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| Population - 2010 | 6,753 | 81,406 | 309,327,143 |
| Population - 2000 | 6,892 | 67,518 | 285,036,114 |
| Population - 1990 | 7,155 | 63,502 | 251,960,433 |
| Pop. 2000 to Now | -6.0% | 32.4% | 15.6% |
| Pop. 1990 to Now | -9.5% | 40.8% | 30.8% |
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| Population Density | 291.8 | 3,869.4 | 93.4 |
| Land Area | 21.8 | 22.8 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Dalton, MA | Champaign, IL | United States |
| Age 0 to 4 | 4.4% | 5.1% | 5.9% |
| Age 5 to 9 | 5.3% | 5.0% | 6.1% |
| Age 10 to 14 | 7.0% | 5.0% | 6.6% |
| Age 15 to 17 | 3.7% | 2.6% | 3.9% |
| Age 18 to 20 | 1.3% | 14.1% | 4.0% |
| Age 21 to 24 | 2.0% | 14.8% | 5.2% |
| Age 25 to 34 | 8.0% | 14.8% | 13.8% |
| Age 35 to 44 | 9.9% | 10.8% | 12.9% |
| Age 45 to 54 | 15.3% | 8.7% | 12.6% |
| Age 55 to 59 | 9.2% | 4.3% | 6.7% |
| Age 60 to 64 | 9.1% | 4.1% | 6.3% |
| Age 65 to 74 | 13.5% | 6.4% | 9.6% |
| Age 75 to 84 | 6.5% | 3.3% | 4.5% |
| Age 85 and over | 4.7% | 1.0% | 1.9% |
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| Race | | | |
| | Dalton, MA | Champaign, IL | United States |
| White | 94.6% | 57.1% | 59.4% |
| Black | 0.2% | 17.7% | 12.2% |
| Asian | 0.8% | 15.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 0.8% | 3.2% | 3.2% |
| Hispanic | 3.7% | 6.6% | 18.4% |
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| Marriage & Family | | | |
| | Dalton, MA | Champaign, IL | United States |
| Married Population | 58.6% | 34.9% | 49.8% |
| Currently Married | 56.0% | 33.9% | 48.0% |
| Married but Separated | 2.6% | 1.0% | 1.8% |
| Single Population | 41.4% | 65.1% | 50.2% |
| Never Married | 18.8% | 54.5% | 33.8% |
| Divorced | 11.1% | 7.9% | 10.8% |
| Widowed | 11.5% | 2.7% | 5.6% |
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| Household Size | 2.16 | 2.28 | 2.60 |
| Households | 2,907 | 35,206 | 124,010,992 |
| Family Households | 1,680 | 16,072 | 80,755,759 |
| Married couple, w/children | 32.1% | 31.8% | 30.5% |
| Married couple, no children | 52.1% | 40.6% | 42.9% |
| Non Family Households | 1,227 | 19,134 | 43,255,233 |
| Single householder, w/children | 7.9% | 17.8% | 15.8% |
| Single householder, no children | 7.8% | 9.9% | 10.8% |