| | Oktaha, OK | Hamilton, MS | United States |
| Population | 290 | 209 | 329,725,481 |
| Female Population | 53.5% | 53.6% | 50.5% |
| Male Population | 46.6% | 46.4% | 49.5% |
| Median Age | 36.3 | 50.6 | 38.4 |
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| Population - 2010 | 390 | 530 | 309,327,143 |
| Population - 2000 | 327 | 493 | 285,036,114 |
| Population - 1990 | 266 | 422 | 251,960,433 |
| Pop. 2000 to Now | 16.8% | -26.2% | 15.6% |
| Pop. 1990 to Now | 43.6% | -13.7% | 30.8% |
| space4 | | | |
| Population Density | 1,090.2 | 66.3 | 93.4 |
| Land Area | 0.3 | 3.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Oktaha, OK | Hamilton, MS | United States |
| Age 0 to 4 | 5.5% | 0.0% | 5.9% |
| Age 5 to 9 | 8.6% | 10.5% | 6.1% |
| Age 10 to 14 | 13.1% | 0.0% | 6.6% |
| Age 15 to 17 | 6.2% | 0.0% | 3.9% |
| Age 18 to 20 | 3.8% | 0.0% | 4.0% |
| Age 21 to 24 | 2.8% | 15.8% | 5.2% |
| Age 25 to 34 | 9.0% | 2.9% | 13.8% |
| Age 35 to 44 | 17.2% | 14.8% | 12.9% |
| Age 45 to 54 | 12.4% | 18.2% | 12.6% |
| Age 55 to 59 | 4.5% | 6.7% | 6.7% |
| Age 60 to 64 | 5.2% | 12.0% | 6.3% |
| Age 65 to 74 | 9.0% | 13.9% | 9.6% |
| Age 75 to 84 | 2.4% | 5.3% | 4.5% |
| Age 85 and over | 0.3% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Oktaha, OK | Hamilton, MS | United States |
| White | 58.6% | 90.0% | 59.4% |
| Black | 4.1% | 10.0% | 12.2% |
| Asian | 0.7% | 0.0% | 5.6% |
| Native American | 20.7% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 10.7% | 0.0% | 3.2% |
| Hispanic | 5.2% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Oktaha, OK | Hamilton, MS | United States |
| Married Population | 59.7% | 39.6% | 49.8% |
| Currently Married | 56.9% | 39.6% | 48.0% |
| Married but Separated | 2.8% | 0.0% | 1.8% |
| Single Population | 40.3% | 60.4% | 50.2% |
| Never Married | 24.6% | 26.7% | 33.8% |
| Divorced | 13.7% | 33.7% | 10.8% |
| Widowed | 1.9% | 0.0% | 5.6% |
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| Household Size | 3.12 | 1.51 | 2.60 |
| Households | 93 | 138 | 124,010,992 |
| Family Households | 79 | 39 | 80,755,759 |
| Married couple, w/children | 27.8% | 35.9% | 30.5% |
| Married couple, no children | 35.4% | 64.1% | 42.9% |
| Non Family Households | 14 | 99 | 43,255,233 |
| Single householder, w/children | 27.8% | 0.0% | 15.8% |
| Single householder, no children | 8.9% | 0.0% | 10.8% |