| | Paris, NY | Brussels, IL | United States |
| Population | 4,315 | 134 | 329,725,481 |
| Female Population | 50.9% | 65.7% | 50.5% |
| Male Population | 49.1% | 34.3% | 49.5% |
| Median Age | 43.2 | 35.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,422 | 141 | 309,327,143 |
| Population - 2000 | 4,609 | 141 | 285,036,114 |
| Population - 1990 | 4,414 | 125 | 251,960,433 |
| Pop. 2000 to Now | -9.1% | -9.2% | 15.6% |
| Pop. 1990 to Now | -5.1% | 2.4% | 30.8% |
| space4 | | | |
| Population Density | 137.1 | 240.1 | 93.4 |
| Land Area | 31.5 | 0.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Paris, NY | Brussels, IL | United States |
| Age 0 to 4 | 3.6% | 0.0% | 5.9% |
| Age 5 to 9 | 9.1% | 0.0% | 6.1% |
| Age 10 to 14 | 6.5% | 0.0% | 6.6% |
| Age 15 to 17 | 2.9% | 1.5% | 3.9% |
| Age 18 to 20 | 3.0% | 1.5% | 4.0% |
| Age 21 to 24 | 4.8% | 4.5% | 5.2% |
| Age 25 to 34 | 10.5% | 26.9% | 13.8% |
| Age 35 to 44 | 12.6% | 26.1% | 12.9% |
| Age 45 to 54 | 13.3% | 17.9% | 12.6% |
| Age 55 to 59 | 7.9% | 3.0% | 6.7% |
| Age 60 to 64 | 9.0% | 7.5% | 6.3% |
| Age 65 to 74 | 10.3% | 0.7% | 9.6% |
| Age 75 to 84 | 6.1% | 6.7% | 4.5% |
| Age 85 and over | 0.4% | 3.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Paris, NY | Brussels, IL | United States |
| White | 94.7% | 97.0% | 59.4% |
| Black | 0.5% | 0.0% | 12.2% |
| Asian | 1.8% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.5% | 1.5% | 3.2% |
| Hispanic | 2.5% | 1.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Paris, NY | Brussels, IL | United States |
| Married Population | 61.0% | 19.4% | 49.8% |
| Currently Married | 60.0% | 19.4% | 48.0% |
| Married but Separated | 1.0% | 0.0% | 1.8% |
| Single Population | 39.0% | 80.6% | 50.2% |
| Never Married | 26.0% | 53.0% | 33.8% |
| Divorced | 10.0% | 21.6% | 10.8% |
| Widowed | 3.1% | 6.0% | 5.6% |
| space5 | | | |
| Household Size | 2.50 | 3.55 | 2.60 |
| Households | 1,714 | 33 | 124,010,992 |
| Family Households | 1,260 | 15 | 80,755,759 |
| Married couple, w/children | 33.7% | 20.0% | 30.5% |
| Married couple, no children | 48.0% | 60.0% | 42.9% |
| Non Family Households | 454 | 18 | 43,255,233 |
| Single householder, w/children | 11.4% | 0.0% | 15.8% |
| Single householder, no children | 6.9% | 20.0% | 10.8% |