| | Huntsville, AL | Pearland, TX | United States |
| Population | 210,081 | 122,609 | 329,725,481 |
| Female Population | 51.3% | 51.1% | 50.5% |
| Male Population | 48.7% | 48.9% | 49.5% |
| Median Age | 37.1 | 35.3 | 38.4 |
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| Population - 2010 | 180,926 | 94,108 | 309,327,143 |
| Population - 2000 | 158,216 | 37,640 | 285,036,114 |
| Population - 1990 | 159,789 | 18,697 | 251,960,433 |
| Pop. 2000 to Now | 28.3% | 228.3% | 15.6% |
| Pop. 1990 to Now | 27.0% | 560.9% | 30.8% |
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| Population Density | 980.1 | 2,545.9 | 93.4 |
| Land Area | 214.4 | 48.2 | 3,531,905.4 |
| Water Area | 1.4 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Huntsville, AL | Pearland, TX | United States |
| Age 0 to 4 | 5.8% | 8.1% | 5.9% |
| Age 5 to 9 | 5.7% | 8.0% | 6.1% |
| Age 10 to 14 | 5.4% | 8.2% | 6.6% |
| Age 15 to 17 | 2.9% | 4.7% | 3.9% |
| Age 18 to 20 | 4.8% | 3.1% | 4.0% |
| Age 21 to 24 | 7.1% | 3.7% | 5.2% |
| Age 25 to 34 | 15.5% | 13.7% | 13.8% |
| Age 35 to 44 | 12.1% | 16.5% | 12.9% |
| Age 45 to 54 | 11.5% | 12.5% | 12.6% |
| Age 55 to 59 | 6.8% | 5.9% | 6.7% |
| Age 60 to 64 | 6.2% | 4.7% | 6.3% |
| Age 65 to 74 | 9.3% | 7.1% | 9.6% |
| Age 75 to 84 | 4.8% | 2.6% | 4.5% |
| Age 85 and over | 2.1% | 1.2% | 1.9% |
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| Race | | | |
| | Huntsville, AL | Pearland, TX | United States |
| White | 57.0% | 38.9% | 59.4% |
| Black | 30.6% | 19.3% | 12.2% |
| Asian | 2.2% | 14.4% | 5.6% |
| Native American | 0.3% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.1% | 0.2% | 0.4% |
| Two or More Races | 3.3% | 2.0% | 3.2% |
| Hispanic | 6.4% | 24.6% | 18.4% |
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| Marriage & Family | | | |
| | Huntsville, AL | Pearland, TX | United States |
| Married Population | 45.7% | 61.5% | 49.8% |
| Currently Married | 43.6% | 60.6% | 48.0% |
| Married but Separated | 2.1% | 0.9% | 1.8% |
| Single Population | 54.3% | 38.5% | 50.2% |
| Never Married | 36.1% | 26.2% | 33.8% |
| Divorced | 12.4% | 8.2% | 10.8% |
| Widowed | 5.9% | 4.0% | 5.6% |
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| Household Size | 2.21 | 2.94 | 2.60 |
| Households | 91,048 | 41,548 | 124,010,992 |
| Family Households | 51,704 | 31,091 | 80,755,759 |
| Married couple, w/children | 23.3% | 48.5% | 30.5% |
| Married couple, no children | 45.6% | 36.5% | 42.9% |
| Non Family Households | 39,344 | 10,457 | 43,255,233 |
| Single householder, w/children | 19.0% | 9.6% | 15.8% |
| Single householder, no children | 12.1% | 5.4% | 10.8% |