| | Nocona, TX | Dublin, TX | United States |
| Population | 2,998 | 3,426 | 329,725,481 |
| Female Population | 55.3% | 40.5% | 50.5% |
| Male Population | 44.7% | 59.6% | 49.5% |
| Median Age | 40.1 | 33 | 38.4 |
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| Population - 2010 | 3,034 | 3,616 | 309,327,143 |
| Population - 2000 | 3,198 | 3,754 | 285,036,114 |
| Population - 1990 | 2,870 | 3,190 | 251,960,433 |
| Pop. 2000 to Now | -5.7% | -5.4% | 15.6% |
| Pop. 1990 to Now | 5.1% | 11.4% | 30.8% |
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| Population Density | 1,065.0 | 955.1 | 93.4 |
| Land Area | 2.8 | 3.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Nocona, TX | Dublin, TX | United States |
| Age 0 to 4 | 4.6% | 11.4% | 5.9% |
| Age 5 to 9 | 8.3% | 9.5% | 6.1% |
| Age 10 to 14 | 10.3% | 3.8% | 6.6% |
| Age 15 to 17 | 2.7% | 1.3% | 3.9% |
| Age 18 to 20 | 3.0% | 2.6% | 4.0% |
| Age 21 to 24 | 4.7% | 8.1% | 5.2% |
| Age 25 to 34 | 13.5% | 15.1% | 13.8% |
| Age 35 to 44 | 10.2% | 10.0% | 12.9% |
| Age 45 to 54 | 9.5% | 4.6% | 12.6% |
| Age 55 to 59 | 4.8% | 7.2% | 6.7% |
| Age 60 to 64 | 4.9% | 12.1% | 6.3% |
| Age 65 to 74 | 9.8% | 5.6% | 9.6% |
| Age 75 to 84 | 9.1% | 6.6% | 4.5% |
| Age 85 and over | 4.6% | 2.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Nocona, TX | Dublin, TX | United States |
| White | 76.2% | 50.6% | 59.4% |
| Black | 0.1% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 1.5% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.3% | 4.0% | 3.2% |
| Hispanic | 22.0% | 43.8% | 18.4% |
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| Marriage & Family | | | |
| | Nocona, TX | Dublin, TX | United States |
| Married Population | 51.8% | 57.4% | 49.8% |
| Currently Married | 46.7% | 53.9% | 48.0% |
| Married but Separated | 5.1% | 3.5% | 1.8% |
| Single Population | 48.2% | 42.6% | 50.2% |
| Never Married | 22.3% | 25.1% | 33.8% |
| Divorced | 16.2% | 7.7% | 10.8% |
| Widowed | 9.6% | 9.8% | 5.6% |
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| Household Size | 2.72 | 2.89 | 2.60 |
| Households | 1,086 | 1,165 | 124,010,992 |
| Family Households | 655 | 743 | 80,755,759 |
| Married couple, w/children | 27.0% | 41.9% | 30.5% |
| Married couple, no children | 42.6% | 47.0% | 42.9% |
| Non Family Households | 431 | 422 | 43,255,233 |
| Single householder, w/children | 22.4% | 8.1% | 15.8% |
| Single householder, no children | 7.9% | 3.1% | 10.8% |