| | Nashua, NH | Cedar Park, TX | United States |
| Population | 90,659 | 74,741 | 329,725,481 |
| Female Population | 49.4% | 49.9% | 50.5% |
| Male Population | 50.6% | 50.1% | 49.5% |
| Median Age | 39.6 | 36.1 | 38.4 |
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| Population - 2010 | 86,569 | 55,776 | 309,327,143 |
| Population - 2000 | 86,605 | 26,049 | 285,036,114 |
| Population - 1990 | 79,662 | 5,161 | 251,960,433 |
| Pop. 2000 to Now | 3.0% | 211.1% | 15.6% |
| Pop. 1990 to Now | 11.9% | 1,470.2% | 30.8% |
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| Population Density | 2,940.3 | 2,948.8 | 93.4 |
| Land Area | 30.8 | 25.3 | 3,531,905.4 |
| Water Area | 0.9 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Nashua, NH | Cedar Park, TX | United States |
| Age 0 to 4 | 5.5% | 5.8% | 5.9% |
| Age 5 to 9 | 5.2% | 7.2% | 6.1% |
| Age 10 to 14 | 5.7% | 9.0% | 6.6% |
| Age 15 to 17 | 3.2% | 4.4% | 3.9% |
| Age 18 to 20 | 2.8% | 2.9% | 4.0% |
| Age 21 to 24 | 5.8% | 3.6% | 5.2% |
| Age 25 to 34 | 16.2% | 15.5% | 13.8% |
| Age 35 to 44 | 12.0% | 17.4% | 12.9% |
| Age 45 to 54 | 13.4% | 14.5% | 12.6% |
| Age 55 to 59 | 6.8% | 5.4% | 6.7% |
| Age 60 to 64 | 7.3% | 4.3% | 6.3% |
| Age 65 to 74 | 9.7% | 6.4% | 9.6% |
| Age 75 to 84 | 4.4% | 2.6% | 4.5% |
| Age 85 and over | 2.1% | 1.1% | 1.9% |
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| Race | | | |
| | Nashua, NH | Cedar Park, TX | United States |
| White | 73.2% | 60.8% | 59.4% |
| Black | 2.2% | 3.1% | 12.2% |
| Asian | 8.0% | 10.8% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.2% | 0.2% | 0.4% |
| Two or More Races | 3.1% | 3.1% | 3.2% |
| Hispanic | 13.2% | 21.7% | 18.4% |
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| Marriage & Family | | | |
| | Nashua, NH | Cedar Park, TX | United States |
| Married Population | 47.3% | 59.2% | 49.8% |
| Currently Married | 45.5% | 58.5% | 48.0% |
| Married but Separated | 1.8% | 0.7% | 1.8% |
| Single Population | 52.7% | 40.8% | 50.2% |
| Never Married | 33.7% | 27.5% | 33.8% |
| Divorced | 13.0% | 9.6% | 10.8% |
| Widowed | 6.0% | 3.8% | 5.6% |
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| Household Size | 2.40 | 2.74 | 2.60 |
| Households | 37,119 | 27,171 | 124,010,992 |
| Family Households | 21,905 | 19,716 | 80,755,759 |
| Married couple, w/children | 29.6% | 45.9% | 30.5% |
| Married couple, no children | 43.6% | 36.7% | 42.9% |
| Non Family Households | 15,214 | 7,455 | 43,255,233 |
| Single householder, w/children | 14.5% | 11.0% | 15.8% |
| Single householder, no children | 12.3% | 6.4% | 10.8% |