| | Iowa Park, TX | Electra, TX | United States |
| Population | 6,470 | 2,163 | 329,725,481 |
| Female Population | 50.5% | 49.8% | 50.5% |
| Male Population | 49.5% | 50.2% | 49.5% |
| Median Age | 36.8 | 45.1 | 38.4 |
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| Population - 2010 | 6,389 | 2,791 | 309,327,143 |
| Population - 2000 | 6,431 | 3,168 | 285,036,114 |
| Population - 1990 | 6,072 | 3,113 | 251,960,433 |
| Pop. 2000 to Now | 0.0% | -13.6% | 15.6% |
| Pop. 1990 to Now | 5.9% | -12.1% | 30.8% |
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| Population Density | 1,600.3 | 703.0 | 93.4 |
| Land Area | 4.0 | 3.1 | 3,531,905.4 |
| Water Area | 0.4 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Iowa Park, TX | Electra, TX | United States |
| Age 0 to 4 | 12.0% | 5.8% | 5.9% |
| Age 5 to 9 | 9.2% | 8.6% | 6.1% |
| Age 10 to 14 | 3.2% | 7.2% | 6.6% |
| Age 15 to 17 | 0.8% | 1.6% | 3.9% |
| Age 18 to 20 | 2.7% | 3.6% | 4.0% |
| Age 21 to 24 | 4.4% | 2.5% | 5.2% |
| Age 25 to 34 | 16.0% | 11.8% | 13.8% |
| Age 35 to 44 | 6.9% | 8.4% | 12.9% |
| Age 45 to 54 | 12.4% | 10.8% | 12.6% |
| Age 55 to 59 | 7.2% | 9.2% | 6.7% |
| Age 60 to 64 | 6.9% | 8.8% | 6.3% |
| Age 65 to 74 | 9.8% | 14.6% | 9.6% |
| Age 75 to 84 | 6.3% | 5.0% | 4.5% |
| Age 85 and over | 2.2% | 2.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Iowa Park, TX | Electra, TX | United States |
| White | 87.8% | 70.4% | 59.4% |
| Black | 0.0% | 2.3% | 12.2% |
| Asian | 0.0% | 0.6% | 5.6% |
| Native American | 0.1% | 2.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 1.2% | 4.4% | 3.2% |
| Hispanic | 10.7% | 20.1% | 18.4% |
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| Marriage & Family | | | |
| | Iowa Park, TX | Electra, TX | United States |
| Married Population | 62.8% | 51.1% | 49.8% |
| Currently Married | 56.2% | 49.7% | 48.0% |
| Married but Separated | 6.6% | 1.4% | 1.8% |
| Single Population | 37.2% | 48.9% | 50.2% |
| Never Married | 15.9% | 20.9% | 33.8% |
| Divorced | 11.7% | 16.9% | 10.8% |
| Widowed | 9.6% | 11.0% | 5.6% |
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| Household Size | 2.36 | 2.24 | 2.60 |
| Households | 2,722 | 955 | 124,010,992 |
| Family Households | 1,592 | 483 | 80,755,759 |
| Married couple, w/children | 31.4% | 28.2% | 30.5% |
| Married couple, no children | 44.2% | 55.1% | 42.9% |
| Non Family Households | 1,130 | 472 | 43,255,233 |
| Single householder, w/children | 18.0% | 3.1% | 15.8% |
| Single householder, no children | 6.4% | 13.7% | 10.8% |