| | Roland, OK | Greenwood, AR | United States |
| Population | 3,372 | 9,498 | 329,725,481 |
| Female Population | 49.5% | 52.3% | 50.5% |
| Male Population | 50.5% | 47.7% | 49.5% |
| Median Age | 30.8 | 36.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,209 | 9,107 | 309,327,143 |
| Population - 2000 | 2,842 | 7,112 | 285,036,114 |
| Population - 1990 | 2,481 | 3,984 | 251,960,433 |
| Pop. 2000 to Now | 41.5% | 32.1% | 15.6% |
| Pop. 1990 to Now | 62.0% | 135.8% | 30.8% |
| space4 | | | |
| Population Density | 1,129.3 | 877.9 | 93.4 |
| Land Area | 3.0 | 10.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Roland, OK | Greenwood, AR | United States |
| Age 0 to 4 | 7.8% | 6.4% | 5.9% |
| Age 5 to 9 | 9.0% | 7.2% | 6.1% |
| Age 10 to 14 | 7.0% | 7.9% | 6.6% |
| Age 15 to 17 | 4.1% | 4.8% | 3.9% |
| Age 18 to 20 | 3.3% | 3.3% | 4.0% |
| Age 21 to 24 | 6.1% | 2.1% | 5.2% |
| Age 25 to 34 | 20.1% | 15.8% | 13.8% |
| Age 35 to 44 | 10.1% | 13.2% | 12.9% |
| Age 45 to 54 | 11.0% | 12.5% | 12.6% |
| Age 55 to 59 | 6.8% | 3.9% | 6.7% |
| Age 60 to 64 | 4.7% | 3.0% | 6.3% |
| Age 65 to 74 | 5.5% | 12.1% | 9.6% |
| Age 75 to 84 | 3.6% | 6.0% | 4.5% |
| Age 85 and over | 0.9% | 1.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Roland, OK | Greenwood, AR | United States |
| White | 63.7% | 89.6% | 59.4% |
| Black | 6.3% | 0.5% | 12.2% |
| Asian | 0.9% | 0.7% | 5.6% |
| Native American | 11.9% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 13.0% | 2.5% | 3.2% |
| Hispanic | 4.4% | 6.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Roland, OK | Greenwood, AR | United States |
| Married Population | 48.3% | 60.9% | 49.8% |
| Currently Married | 45.3% | 60.5% | 48.0% |
| Married but Separated | 3.0% | 0.4% | 1.8% |
| Single Population | 51.7% | 39.1% | 50.2% |
| Never Married | 29.8% | 20.3% | 33.8% |
| Divorced | 18.1% | 11.8% | 10.8% |
| Widowed | 3.8% | 7.0% | 5.6% |
| space5 | | | |
| Household Size | 3.15 | 2.42 | 2.60 |
| Households | 1,070 | 3,872 | 124,010,992 |
| Family Households | 758 | 2,809 | 80,755,759 |
| Married couple, w/children | 29.2% | 36.0% | 30.5% |
| Married couple, no children | 32.9% | 44.5% | 42.9% |
| Non Family Households | 312 | 1,063 | 43,255,233 |
| Single householder, w/children | 23.5% | 14.5% | 15.8% |
| Single householder, no children | 14.5% | 5.1% | 10.8% |