| | Port Isabel, TX | Bonita Springs, FL | United States |
| Population | 5,208 | 53,017 | 329,725,481 |
| Female Population | 50.5% | 49.9% | 50.5% |
| Male Population | 49.5% | 50.1% | 49.5% |
| Median Age | 37.9 | 58.5 | 38.4 |
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| Population - 2010 | 6,314 | 44,083 | 309,327,143 |
| Population - 2000 | 4,865 | 32,797 | 285,036,114 |
| Population - 1990 | 4,467 | 13,600 | 251,960,433 |
| Pop. 2000 to Now | 28.0% | 85.5% | 15.6% |
| Pop. 1990 to Now | 39.4% | 347.3% | 30.8% |
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| Population Density | 776.9 | 1,368.3 | 93.4 |
| Land Area | 6.7 | 38.7 | 3,531,905.4 |
| Water Area | 7.0 | 7.9 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Port Isabel, TX | Bonita Springs, FL | United States |
| Age 0 to 4 | 6.4% | 3.5% | 5.9% |
| Age 5 to 9 | 8.2% | 3.8% | 6.1% |
| Age 10 to 14 | 10.0% | 3.1% | 6.6% |
| Age 15 to 17 | 3.4% | 2.1% | 3.9% |
| Age 18 to 20 | 2.0% | 1.7% | 4.0% |
| Age 21 to 24 | 2.3% | 3.1% | 5.2% |
| Age 25 to 34 | 13.0% | 9.4% | 13.8% |
| Age 35 to 44 | 13.0% | 8.6% | 12.9% |
| Age 45 to 54 | 8.9% | 9.2% | 12.6% |
| Age 55 to 59 | 7.0% | 7.3% | 6.7% |
| Age 60 to 64 | 7.5% | 8.5% | 6.3% |
| Age 65 to 74 | 10.0% | 21.1% | 9.6% |
| Age 75 to 84 | 6.5% | 14.5% | 4.5% |
| Age 85 and over | 1.8% | 4.0% | 1.9% |
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| Race | | | |
| | Port Isabel, TX | Bonita Springs, FL | United States |
| White | 14.7% | 70.9% | 59.4% |
| Black | 0.0% | 2.0% | 12.2% |
| Asian | 1.4% | 1.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 1.7% | 0.3% | 0.4% |
| Two or More Races | 0.3% | 1.1% | 3.2% |
| Hispanic | 82.0% | 24.1% | 18.4% |
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| Marriage & Family | | | |
| | Port Isabel, TX | Bonita Springs, FL | United States |
| Married Population | 58.3% | 62.6% | 49.8% |
| Currently Married | 53.9% | 60.9% | 48.0% |
| Married but Separated | 4.4% | 1.6% | 1.8% |
| Single Population | 41.7% | 37.4% | 50.2% |
| Never Married | 25.7% | 18.9% | 33.8% |
| Divorced | 9.4% | 10.3% | 10.8% |
| Widowed | 6.7% | 8.2% | 5.6% |
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| Household Size | 2.87 | 2.32 | 2.60 |
| Households | 1,817 | 22,830 | 124,010,992 |
| Family Households | 1,254 | 15,297 | 80,755,759 |
| Married couple, w/children | 28.4% | 14.0% | 30.5% |
| Married couple, no children | 35.9% | 72.0% | 42.9% |
| Non Family Households | 563 | 7,533 | 43,255,233 |
| Single householder, w/children | 25.4% | 6.3% | 15.8% |
| Single householder, no children | 10.4% | 7.7% | 10.8% |