| | Scales Mound, IL | Dixon, IL | United States |
| Population | 445 | 15,855 | 329,725,481 |
| Female Population | 47.2% | 43.1% | 50.5% |
| Male Population | 52.8% | 56.9% | 49.5% |
| Median Age | 38.9 | 41.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 387 | 15,727 | 309,327,143 |
| Population - 2000 | 401 | 15,941 | 285,036,114 |
| Population - 1990 | 388 | 15,144 | 251,960,433 |
| Pop. 2000 to Now | -11.2% | -6.4% | 15.6% |
| Pop. 1990 to Now | -8.3% | -1.4% | 30.8% |
| space4 | | | |
| Population Density | 708.6 | 2,108.1 | 93.4 |
| Land Area | 0.6 | 7.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Scales Mound, IL | Dixon, IL | United States |
| Age 0 to 4 | 11.7% | 5.0% | 5.9% |
| Age 5 to 9 | 6.7% | 5.3% | 6.1% |
| Age 10 to 14 | 6.1% | 5.1% | 6.6% |
| Age 15 to 17 | 0.4% | 4.3% | 3.9% |
| Age 18 to 20 | 3.1% | 3.0% | 4.0% |
| Age 21 to 24 | 4.5% | 3.3% | 5.2% |
| Age 25 to 34 | 13.7% | 16.2% | 13.8% |
| Age 35 to 44 | 7.2% | 13.9% | 12.9% |
| Age 45 to 54 | 9.0% | 11.5% | 12.6% |
| Age 55 to 59 | 5.6% | 8.8% | 6.7% |
| Age 60 to 64 | 6.7% | 6.3% | 6.3% |
| Age 65 to 74 | 15.5% | 9.5% | 9.6% |
| Age 75 to 84 | 7.9% | 4.4% | 4.5% |
| Age 85 and over | 1.8% | 3.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Scales Mound, IL | Dixon, IL | United States |
| White | 95.5% | 78.5% | 59.4% |
| Black | 1.1% | 10.6% | 12.2% |
| Asian | 0.0% | 0.9% | 5.6% |
| Native American | 0.7% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.4% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.1% | 1.9% | 3.2% |
| Hispanic | 1.1% | 8.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Scales Mound, IL | Dixon, IL | United States |
| Married Population | 56.0% | 37.5% | 49.8% |
| Currently Married | 55.7% | 36.3% | 48.0% |
| Married but Separated | 0.3% | 1.2% | 1.8% |
| Single Population | 44.0% | 62.5% | 50.2% |
| Never Married | 26.5% | 38.9% | 33.8% |
| Divorced | 11.6% | 15.1% | 10.8% |
| Widowed | 6.0% | 8.4% | 5.6% |
| space5 | | | |
| Household Size | 2.45 | 2.20 | 2.60 |
| Households | 182 | 5,884 | 124,010,992 |
| Family Households | 122 | 3,015 | 80,755,759 |
| Married couple, w/children | 23.8% | 31.8% | 30.5% |
| Married couple, no children | 52.5% | 38.6% | 42.9% |
| Non Family Households | 60 | 2,869 | 43,255,233 |
| Single householder, w/children | 18.0% | 24.1% | 15.8% |
| Single householder, no children | 5.7% | 5.6% | 10.8% |