| | Nash, OK | Hillsdale, OK | United States |
| Population | 201 | 100 | 329,725,481 |
| Female Population | 48.3% | 48.0% | 50.5% |
| Male Population | 51.7% | 52.0% | 49.5% |
| Median Age | 65.3 | 47.7 | 38.4 |
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| Population - 2010 | 203 | 121 | 309,327,143 |
| Population - 2000 | 224 | 101 | 285,036,114 |
| Population - 1990 | 281 | 96 | 251,960,433 |
| Pop. 2000 to Now | -12.5% | 17.8% | 15.6% |
| Pop. 1990 to Now | -30.3% | 24.0% | 30.8% |
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| Population Density | 614.7 | 277.0 | 93.4 |
| Land Area | 0.3 | 0.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Nash, OK | Hillsdale, OK | United States |
| Age 0 to 4 | 0.0% | 7.0% | 5.9% |
| Age 5 to 9 | 2.0% | 10.0% | 6.1% |
| Age 10 to 14 | 6.5% | 3.0% | 6.6% |
| Age 15 to 17 | 0.0% | 0.0% | 3.9% |
| Age 18 to 20 | 5.5% | 5.0% | 4.0% |
| Age 21 to 24 | 0.0% | 2.0% | 5.2% |
| Age 25 to 34 | 3.0% | 3.0% | 13.8% |
| Age 35 to 44 | 10.0% | 9.0% | 12.9% |
| Age 45 to 54 | 0.0% | 39.0% | 12.6% |
| Age 55 to 59 | 5.0% | 2.0% | 6.7% |
| Age 60 to 64 | 13.9% | 5.0% | 6.3% |
| Age 65 to 74 | 33.8% | 14.0% | 9.6% |
| Age 75 to 84 | 15.9% | 1.0% | 4.5% |
| Age 85 and over | 4.5% | 0.0% | 1.9% |
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| Race | | | |
| | Nash, OK | Hillsdale, OK | United States |
| White | 94.5% | 82.0% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.0% | 18.0% | 3.2% |
| Hispanic | 2.5% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Nash, OK | Hillsdale, OK | United States |
| Married Population | 35.9% | 77.5% | 49.8% |
| Currently Married | 35.9% | 70.0% | 48.0% |
| Married but Separated | 0.0% | 7.5% | 1.8% |
| Single Population | 64.1% | 22.5% | 50.2% |
| Never Married | 22.3% | 15.0% | 33.8% |
| Divorced | 13.6% | 2.5% | 10.8% |
| Widowed | 28.3% | 5.0% | 5.6% |
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| Household Size | 2.96 | 2.78 | 2.60 |
| Households | 68 | 36 | 124,010,992 |
| Family Households | 44 | 30 | 80,755,759 |
| Married couple, w/children | 4.5% | 6.7% | 30.5% |
| Married couple, no children | 56.8% | 70.0% | 42.9% |
| Non Family Households | 24 | 6 | 43,255,233 |
| Single householder, w/children | 22.7% | 6.7% | 15.8% |
| Single householder, no children | 15.9% | 16.7% | 10.8% |