| | Chili, NY | Brighton, TN | United States |
| Population | 29,097 | 2,883 | 329,725,481 |
| Female Population | 51.3% | 52.2% | 50.5% |
| Male Population | 48.7% | 47.8% | 49.5% |
| Median Age | 43.3 | 31.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 28,698 | 2,891 | 309,327,143 |
| Population - 2000 | 27,638 | 1,719 | 285,036,114 |
| Population - 1990 | 25,178 | 717 | 251,960,433 |
| Pop. 2000 to Now | 3.6% | 70.4% | 15.6% |
| Pop. 1990 to Now | 13.8% | 308.5% | 30.8% |
| space4 | | | |
| Population Density | 736.7 | 949.6 | 93.4 |
| Land Area | 39.5 | 3.0 | 3,531,905.4 |
| Water Area | 0.4 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Chili, NY | Brighton, TN | United States |
| Age 0 to 4 | 6.3% | 5.8% | 5.9% |
| Age 5 to 9 | 4.9% | 10.8% | 6.1% |
| Age 10 to 14 | 5.0% | 10.3% | 6.6% |
| Age 15 to 17 | 4.9% | 4.4% | 3.9% |
| Age 18 to 20 | 3.2% | 3.5% | 4.0% |
| Age 21 to 24 | 3.7% | 3.1% | 5.2% |
| Age 25 to 34 | 12.7% | 19.0% | 13.8% |
| Age 35 to 44 | 10.8% | 11.5% | 12.9% |
| Age 45 to 54 | 12.7% | 10.7% | 12.6% |
| Age 55 to 59 | 9.2% | 5.6% | 6.7% |
| Age 60 to 64 | 7.8% | 2.0% | 6.3% |
| Age 65 to 74 | 11.0% | 8.6% | 9.6% |
| Age 75 to 84 | 5.4% | 4.1% | 4.5% |
| Age 85 and over | 2.3% | 0.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Chili, NY | Brighton, TN | United States |
| White | 81.0% | 75.8% | 59.4% |
| Black | 9.7% | 19.9% | 12.2% |
| Asian | 2.3% | 1.2% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.2% | 0.1% | 0.4% |
| Two or More Races | 2.6% | 2.0% | 3.2% |
| Hispanic | 4.0% | 0.9% | 18.4% |
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| Marriage & Family | | | |
| | Chili, NY | Brighton, TN | United States |
| Married Population | 55.3% | 48.4% | 49.8% |
| Currently Married | 54.3% | 47.9% | 48.0% |
| Married but Separated | 1.0% | 0.6% | 1.8% |
| Single Population | 44.7% | 51.6% | 50.2% |
| Never Married | 29.9% | 27.2% | 33.8% |
| Divorced | 10.5% | 17.4% | 10.8% |
| Widowed | 4.3% | 7.0% | 5.6% |
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| Household Size | 2.46 | 2.99 | 2.60 |
| Households | 11,623 | 963 | 124,010,992 |
| Family Households | 8,363 | 788 | 80,755,759 |
| Married couple, w/children | 25.7% | 37.4% | 30.5% |
| Married couple, no children | 49.5% | 24.5% | 42.9% |
| Non Family Households | 3,260 | 175 | 43,255,233 |
| Single householder, w/children | 16.9% | 25.6% | 15.8% |
| Single householder, no children | 7.8% | 12.4% | 10.8% |