| | Okemah, OK | Davis, OK | United States |
| Population | 3,113 | 2,835 | 329,725,481 |
| Female Population | 49.9% | 46.3% | 50.5% |
| Male Population | 50.2% | 53.7% | 49.5% |
| Median Age | 35 | 35.3 | 38.4 |
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| Population - 2010 | 3,225 | 2,658 | 309,327,143 |
| Population - 2000 | 3,038 | 2,610 | 285,036,114 |
| Population - 1990 | 3,085 | 2,543 | 251,960,433 |
| Pop. 2000 to Now | 0.3% | 9.4% | 15.6% |
| Pop. 1990 to Now | -1.2% | 12.2% | 30.8% |
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| Population Density | 1,231.4 | 257.3 | 93.4 |
| Land Area | 2.5 | 11.0 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Okemah, OK | Davis, OK | United States |
| Age 0 to 4 | 6.8% | 7.9% | 5.9% |
| Age 5 to 9 | 10.1% | 6.7% | 6.1% |
| Age 10 to 14 | 6.7% | 8.3% | 6.6% |
| Age 15 to 17 | 4.2% | 4.0% | 3.9% |
| Age 18 to 20 | 2.9% | 3.2% | 4.0% |
| Age 21 to 24 | 4.7% | 4.1% | 5.2% |
| Age 25 to 34 | 14.5% | 15.4% | 13.8% |
| Age 35 to 44 | 12.4% | 12.3% | 12.9% |
| Age 45 to 54 | 11.3% | 12.3% | 12.6% |
| Age 55 to 59 | 6.0% | 3.8% | 6.7% |
| Age 60 to 64 | 4.7% | 3.8% | 6.3% |
| Age 65 to 74 | 7.6% | 10.4% | 9.6% |
| Age 75 to 84 | 6.0% | 6.1% | 4.5% |
| Age 85 and over | 2.0% | 1.7% | 1.9% |
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| Race | | | |
| | Okemah, OK | Davis, OK | United States |
| White | 60.0% | 68.7% | 59.4% |
| Black | 1.4% | 2.4% | 12.2% |
| Asian | 0.0% | 1.2% | 5.6% |
| Native American | 18.4% | 10.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 1.3% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 14.0% | 10.4% | 3.2% |
| Hispanic | 6.1% | 5.3% | 18.4% |
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| Marriage & Family | | | |
| | Okemah, OK | Davis, OK | United States |
| Married Population | 43.1% | 49.2% | 49.8% |
| Currently Married | 38.4% | 47.5% | 48.0% |
| Married but Separated | 4.7% | 1.7% | 1.8% |
| Single Population | 56.9% | 50.8% | 50.2% |
| Never Married | 30.0% | 29.4% | 33.8% |
| Divorced | 17.1% | 12.4% | 10.8% |
| Widowed | 9.8% | 9.0% | 5.6% |
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| Household Size | 2.74 | 2.77 | 2.60 |
| Households | 1,078 | 1,005 | 124,010,992 |
| Family Households | 744 | 726 | 80,755,759 |
| Married couple, w/children | 17.6% | 31.3% | 30.5% |
| Married couple, no children | 34.3% | 40.6% | 42.9% |
| Non Family Households | 334 | 279 | 43,255,233 |
| Single householder, w/children | 32.8% | 16.8% | 15.8% |
| Single householder, no children | 15.3% | 11.3% | 10.8% |