| | Covington, OK | Bethany, OK | United States |
| Population | 476 | 20,542 | 329,725,481 |
| Female Population | 45.4% | 48.7% | 50.5% |
| Male Population | 54.6% | 51.4% | 49.5% |
| Median Age | 34.9 | 32.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 533 | 19,062 | 309,327,143 |
| Population - 2000 | 553 | 20,307 | 285,036,114 |
| Population - 1990 | 590 | 20,075 | 251,960,433 |
| Pop. 2000 to Now | -3.6% | -5.5% | 15.6% |
| Pop. 1990 to Now | -9.7% | -4.4% | 30.8% |
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| Population Density | 931.5 | 3,929.2 | 93.4 |
| Land Area | 0.5 | 5.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Covington, OK | Bethany, OK | United States |
| Age 0 to 4 | 7.6% | 6.1% | 5.9% |
| Age 5 to 9 | 10.7% | 7.3% | 6.1% |
| Age 10 to 14 | 5.7% | 10.3% | 6.6% |
| Age 15 to 17 | 3.8% | 5.5% | 3.9% |
| Age 18 to 20 | 1.7% | 4.4% | 4.0% |
| Age 21 to 24 | 0.0% | 5.7% | 5.2% |
| Age 25 to 34 | 20.8% | 14.9% | 13.8% |
| Age 35 to 44 | 13.9% | 12.1% | 12.9% |
| Age 45 to 54 | 13.2% | 8.5% | 12.6% |
| Age 55 to 59 | 4.4% | 5.3% | 6.7% |
| Age 60 to 64 | 8.4% | 4.7% | 6.3% |
| Age 65 to 74 | 4.8% | 8.5% | 9.6% |
| Age 75 to 84 | 4.0% | 4.9% | 4.5% |
| Age 85 and over | 1.1% | 1.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Covington, OK | Bethany, OK | United States |
| White | 90.5% | 59.0% | 59.4% |
| Black | 0.0% | 8.6% | 12.2% |
| Asian | 0.0% | 0.8% | 5.6% |
| Native American | 1.1% | 3.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.0% | 0.4% |
| Two or More Races | 4.0% | 7.6% | 3.2% |
| Hispanic | 4.4% | 19.9% | 18.4% |
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| Marriage & Family | | | |
| | Covington, OK | Bethany, OK | United States |
| Married Population | 72.4% | 44.8% | 49.8% |
| Currently Married | 71.8% | 43.3% | 48.0% |
| Married but Separated | 0.6% | 1.6% | 1.8% |
| Single Population | 27.6% | 55.2% | 50.2% |
| Never Married | 18.2% | 35.5% | 33.8% |
| Divorced | 6.1% | 14.0% | 10.8% |
| Widowed | 3.3% | 5.7% | 5.6% |
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| Household Size | 2.80 | 2.60 | 2.60 |
| Households | 170 | 7,652 | 124,010,992 |
| Family Households | 148 | 4,928 | 80,755,759 |
| Married couple, w/children | 37.2% | 30.0% | 30.5% |
| Married couple, no children | 56.8% | 34.2% | 42.9% |
| Non Family Households | 22 | 2,724 | 43,255,233 |
| Single householder, w/children | 6.1% | 26.8% | 15.8% |
| Single householder, no children | 0.0% | 9.0% | 10.8% |