| | Roff, OK | Sulphur, OK | United States |
| Population | 735 | 4,979 | 329,725,481 |
| Female Population | 52.3% | 51.6% | 50.5% |
| Male Population | 47.8% | 48.4% | 49.5% |
| Median Age | 33.4 | 33.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 727 | 4,941 | 309,327,143 |
| Population - 2000 | 734 | 4,794 | 285,036,114 |
| Population - 1990 | 717 | 4,824 | 251,960,433 |
| Pop. 2000 to Now | -2.6% | 4.1% | 15.6% |
| Pop. 1990 to Now | -0.3% | 3.4% | 30.8% |
| space4 | | | |
| Population Density | 797.2 | 726.1 | 93.4 |
| Land Area | 0.9 | 6.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Roff, OK | Sulphur, OK | United States |
| Age 0 to 4 | 7.8% | 9.5% | 5.9% |
| Age 5 to 9 | 10.1% | 7.8% | 6.1% |
| Age 10 to 14 | 12.5% | 7.3% | 6.6% |
| Age 15 to 17 | 7.5% | 5.6% | 3.9% |
| Age 18 to 20 | 1.2% | 2.6% | 4.0% |
| Age 21 to 24 | 2.0% | 7.6% | 5.2% |
| Age 25 to 34 | 12.2% | 10.5% | 13.8% |
| Age 35 to 44 | 16.2% | 7.7% | 12.9% |
| Age 45 to 54 | 10.9% | 10.6% | 12.6% |
| Age 55 to 59 | 6.5% | 5.9% | 6.7% |
| Age 60 to 64 | 2.2% | 6.2% | 6.3% |
| Age 65 to 74 | 5.0% | 10.2% | 9.6% |
| Age 75 to 84 | 3.8% | 4.3% | 4.5% |
| Age 85 and over | 2.0% | 4.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Roff, OK | Sulphur, OK | United States |
| White | 69.5% | 65.5% | 59.4% |
| Black | 0.0% | 1.0% | 12.2% |
| Asian | 0.0% | 1.5% | 5.6% |
| Native American | 11.8% | 9.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 12.4% | 9.9% | 3.2% |
| Hispanic | 6.3% | 12.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Roff, OK | Sulphur, OK | United States |
| Married Population | 63.3% | 44.1% | 49.8% |
| Currently Married | 60.0% | 41.4% | 48.0% |
| Married but Separated | 3.3% | 2.7% | 1.8% |
| Single Population | 36.7% | 55.9% | 50.2% |
| Never Married | 18.6% | 29.9% | 33.8% |
| Divorced | 9.2% | 16.0% | 10.8% |
| Widowed | 9.0% | 10.0% | 5.6% |
| space5 | | | |
| Household Size | 3.20 | 2.76 | 2.60 |
| Households | 230 | 1,696 | 124,010,992 |
| Family Households | 177 | 978 | 80,755,759 |
| Married couple, w/children | 50.8% | 36.0% | 30.5% |
| Married couple, no children | 32.2% | 30.7% | 42.9% |
| Non Family Households | 53 | 718 | 43,255,233 |
| Single householder, w/children | 15.3% | 24.2% | 15.8% |
| Single householder, no children | 1.7% | 9.1% | 10.8% |