| | Durant, OK | Eufaula, OK | United States |
| Population | 18,358 | 2,731 | 329,725,481 |
| Female Population | 51.7% | 56.2% | 50.5% |
| Male Population | 48.3% | 43.8% | 49.5% |
| Median Age | 33.9 | 49.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 15,899 | 2,808 | 309,327,143 |
| Population - 2000 | 13,549 | 2,639 | 285,036,114 |
| Population - 1990 | 12,823 | 2,652 | 251,960,433 |
| Pop. 2000 to Now | 41.4% | 7.5% | 15.6% |
| Pop. 1990 to Now | 49.4% | 7.0% | 30.8% |
| space4 | | | |
| Population Density | 687.7 | 414.7 | 93.4 |
| Land Area | 26.7 | 6.6 | 3,531,905.4 |
| Water Area | 0.1 | 3.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Durant, OK | Eufaula, OK | United States |
| Age 0 to 4 | 5.3% | 1.7% | 5.9% |
| Age 5 to 9 | 7.2% | 7.3% | 6.1% |
| Age 10 to 14 | 6.0% | 5.5% | 6.6% |
| Age 15 to 17 | 3.1% | 3.7% | 3.9% |
| Age 18 to 20 | 6.3% | 3.7% | 4.0% |
| Age 21 to 24 | 7.6% | 1.4% | 5.2% |
| Age 25 to 34 | 16.7% | 8.1% | 13.8% |
| Age 35 to 44 | 12.4% | 13.5% | 12.9% |
| Age 45 to 54 | 10.2% | 11.4% | 12.6% |
| Age 55 to 59 | 4.5% | 7.9% | 6.7% |
| Age 60 to 64 | 4.8% | 5.8% | 6.3% |
| Age 65 to 74 | 8.5% | 18.7% | 9.6% |
| Age 75 to 84 | 4.6% | 6.5% | 4.5% |
| Age 85 and over | 2.8% | 4.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Durant, OK | Eufaula, OK | United States |
| White | 64.2% | 70.9% | 59.4% |
| Black | 2.8% | 2.0% | 12.2% |
| Asian | 1.1% | 0.6% | 5.6% |
| Native American | 14.4% | 17.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 8.2% | 9.0% | 3.2% |
| Hispanic | 8.9% | 0.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Durant, OK | Eufaula, OK | United States |
| Married Population | 41.3% | 30.6% | 49.8% |
| Currently Married | 39.0% | 28.2% | 48.0% |
| Married but Separated | 2.3% | 2.4% | 1.8% |
| Single Population | 58.7% | 69.4% | 50.2% |
| Never Married | 34.9% | 28.1% | 33.8% |
| Divorced | 17.7% | 26.9% | 10.8% |
| Widowed | 6.2% | 14.4% | 5.6% |
| space5 | | | |
| Household Size | 2.42 | 2.29 | 2.60 |
| Households | 7,268 | 1,102 | 124,010,992 |
| Family Households | 4,379 | 591 | 80,755,759 |
| Married couple, w/children | 24.3% | 13.9% | 30.5% |
| Married couple, no children | 34.8% | 30.3% | 42.9% |
| Non Family Households | 2,889 | 511 | 43,255,233 |
| Single householder, w/children | 24.8% | 21.7% | 15.8% |
| Single householder, no children | 16.2% | 34.2% | 10.8% |