| | Brazoria, TX | Columbus, OH | United States |
| Population | 2,894 | 898,143 | 329,725,481 |
| Female Population | 56.9% | 51.0% | 50.5% |
| Male Population | 43.1% | 49.0% | 49.5% |
| Median Age | 39.7 | 32.5 | 38.4 |
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| Population - 2010 | 3,038 | 790,942 | 309,327,143 |
| Population - 2000 | 2,787 | 711,470 | 285,036,114 |
| Population - 1990 | 2,717 | 632,910 | 251,960,433 |
| Pop. 2000 to Now | 9.9% | 27.0% | 15.6% |
| Pop. 1990 to Now | 12.7% | 42.8% | 30.8% |
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| Population Density | 1,070.3 | 4,104.9 | 93.4 |
| Land Area | 2.7 | 218.8 | 3,531,905.4 |
| Water Area | 0.0 | 5.9 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Brazoria, TX | Columbus, OH | United States |
| Age 0 to 4 | 7.0% | 7.0% | 5.9% |
| Age 5 to 9 | 6.4% | 6.3% | 6.1% |
| Age 10 to 14 | 6.2% | 5.8% | 6.6% |
| Age 15 to 17 | 6.4% | 3.2% | 3.9% |
| Age 18 to 20 | 4.4% | 4.8% | 4.0% |
| Age 21 to 24 | 0.3% | 6.6% | 5.2% |
| Age 25 to 34 | 14.3% | 20.7% | 13.8% |
| Age 35 to 44 | 10.3% | 13.4% | 12.9% |
| Age 45 to 54 | 16.8% | 11.1% | 12.6% |
| Age 55 to 59 | 7.9% | 5.4% | 6.7% |
| Age 60 to 64 | 4.6% | 5.2% | 6.3% |
| Age 65 to 74 | 11.3% | 6.5% | 9.6% |
| Age 75 to 84 | 3.0% | 2.7% | 4.5% |
| Age 85 and over | 1.1% | 1.2% | 1.9% |
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| Race | | | |
| | Brazoria, TX | Columbus, OH | United States |
| White | 62.6% | 53.8% | 59.4% |
| Black | 7.8% | 29.0% | 12.2% |
| Asian | 0.3% | 5.9% | 5.6% |
| Native American | 0.9% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.4% | 0.4% |
| Two or More Races | 1.4% | 4.4% | 3.2% |
| Hispanic | 26.6% | 6.5% | 18.4% |
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| Marriage & Family | | | |
| | Brazoria, TX | Columbus, OH | United States |
| Married Population | 52.3% | 38.8% | 49.8% |
| Currently Married | 49.1% | 36.7% | 48.0% |
| Married but Separated | 3.2% | 2.1% | 1.8% |
| Single Population | 47.7% | 61.2% | 50.2% |
| Never Married | 29.7% | 45.4% | 33.8% |
| Divorced | 11.0% | 11.6% | 10.8% |
| Widowed | 7.0% | 4.2% | 5.6% |
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| Household Size | 2.63 | 2.32 | 2.60 |
| Households | 1,099 | 377,648 | 124,010,992 |
| Family Households | 780 | 198,562 | 80,755,759 |
| Married couple, w/children | 20.6% | 26.6% | 30.5% |
| Married couple, no children | 45.5% | 34.6% | 42.9% |
| Non Family Households | 319 | 179,086 | 43,255,233 |
| Single householder, w/children | 23.6% | 25.7% | 15.8% |
| Single householder, no children | 10.3% | 13.1% | 10.8% |