| | Rotan, TX | Sweetwater, TX | United States |
| Population | 1,171 | 10,605 | 329,725,481 |
| Female Population | 52.1% | 47.7% | 50.5% |
| Male Population | 47.9% | 52.3% | 49.5% |
| Median Age | 44.4 | 35.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,500 | 10,924 | 309,327,143 |
| Population - 2000 | 1,611 | 11,415 | 285,036,114 |
| Population - 1990 | 1,913 | 11,967 | 251,960,433 |
| Pop. 2000 to Now | -12.0% | -7.7% | 15.6% |
| Pop. 1990 to Now | -25.9% | -12.0% | 30.8% |
| space4 | | | |
| Population Density | 578.8 | 957.7 | 93.4 |
| Land Area | 2.0 | 11.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Rotan, TX | Sweetwater, TX | United States |
| Age 0 to 4 | 6.3% | 8.4% | 5.9% |
| Age 5 to 9 | 6.1% | 6.6% | 6.1% |
| Age 10 to 14 | 4.4% | 8.3% | 6.6% |
| Age 15 to 17 | 3.7% | 4.5% | 3.9% |
| Age 18 to 20 | 2.9% | 4.1% | 4.0% |
| Age 21 to 24 | 4.4% | 6.2% | 5.2% |
| Age 25 to 34 | 13.0% | 11.6% | 13.8% |
| Age 35 to 44 | 10.2% | 12.2% | 12.9% |
| Age 45 to 54 | 12.5% | 11.1% | 12.6% |
| Age 55 to 59 | 6.1% | 7.1% | 6.7% |
| Age 60 to 64 | 4.8% | 4.6% | 6.3% |
| Age 65 to 74 | 14.9% | 9.2% | 9.6% |
| Age 75 to 84 | 7.6% | 3.4% | 4.5% |
| Age 85 and over | 3.3% | 2.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Rotan, TX | Sweetwater, TX | United States |
| White | 42.0% | 46.7% | 59.4% |
| Black | 4.2% | 5.6% | 12.2% |
| Asian | 0.7% | 0.6% | 5.6% |
| Native American | 0.1% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.6% | 2.4% | 3.2% |
| Hispanic | 50.4% | 44.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Rotan, TX | Sweetwater, TX | United States |
| Married Population | 50.3% | 49.4% | 49.8% |
| Currently Married | 45.6% | 44.7% | 48.0% |
| Married but Separated | 4.7% | 4.7% | 1.8% |
| Single Population | 49.7% | 50.6% | 50.2% |
| Never Married | 27.7% | 29.2% | 33.8% |
| Divorced | 10.1% | 13.9% | 10.8% |
| Widowed | 11.9% | 7.5% | 5.6% |
| space5 | | | |
| Household Size | 2.26 | 2.68 | 2.60 |
| Households | 511 | 3,893 | 124,010,992 |
| Family Households | 293 | 2,448 | 80,755,759 |
| Married couple, w/children | 20.1% | 33.3% | 30.5% |
| Married couple, no children | 47.8% | 33.4% | 42.9% |
| Non Family Households | 218 | 1,445 | 43,255,233 |
| Single householder, w/children | 27.0% | 23.8% | 15.8% |
| Single householder, no children | 5.1% | 9.5% | 10.8% |