| | Caddo, OK | Brady, TX | United States |
| Population | 1,094 | 5,129 | 329,725,481 |
| Female Population | 48.2% | 48.9% | 50.5% |
| Male Population | 51.8% | 51.1% | 49.5% |
| Median Age | 39.1 | 38.2 | 38.4 |
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| Population - 2010 | 1,012 | 5,503 | 309,327,143 |
| Population - 2000 | 944 | 5,523 | 285,036,114 |
| Population - 1990 | 918 | 5,946 | 251,960,433 |
| Pop. 2000 to Now | 18.0% | -6.3% | 15.6% |
| Pop. 1990 to Now | 21.4% | -12.9% | 30.8% |
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| Population Density | 429.4 | 585.6 | 93.4 |
| Land Area | 2.5 | 8.8 | 3,531,905.4 |
| Water Area | 0.0 | 2.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Caddo, OK | Brady, TX | United States |
| Age 0 to 4 | 3.0% | 6.4% | 5.9% |
| Age 5 to 9 | 3.0% | 7.5% | 6.1% |
| Age 10 to 14 | 6.7% | 5.1% | 6.6% |
| Age 15 to 17 | 12.0% | 4.7% | 3.9% |
| Age 18 to 20 | 6.8% | 2.1% | 4.0% |
| Age 21 to 24 | 2.9% | 6.4% | 5.2% |
| Age 25 to 34 | 9.0% | 15.0% | 13.8% |
| Age 35 to 44 | 13.3% | 8.1% | 12.9% |
| Age 45 to 54 | 16.6% | 12.5% | 12.6% |
| Age 55 to 59 | 4.5% | 4.8% | 6.7% |
| Age 60 to 64 | 5.2% | 7.2% | 6.3% |
| Age 65 to 74 | 9.0% | 11.5% | 9.6% |
| Age 75 to 84 | 6.5% | 5.2% | 4.5% |
| Age 85 and over | 1.6% | 3.5% | 1.9% |
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| Race | | | |
| | Caddo, OK | Brady, TX | United States |
| White | 74.7% | 51.8% | 59.4% |
| Black | 0.2% | 1.5% | 12.2% |
| Asian | 0.0% | 1.4% | 5.6% |
| Native American | 13.3% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 10.1% | 3.3% | 3.2% |
| Hispanic | 1.7% | 42.0% | 18.4% |
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| Marriage & Family | | | |
| | Caddo, OK | Brady, TX | United States |
| Married Population | 48.8% | 37.9% | 49.8% |
| Currently Married | 46.7% | 35.6% | 48.0% |
| Married but Separated | 2.1% | 2.4% | 1.8% |
| Single Population | 51.2% | 62.1% | 50.2% |
| Never Married | 32.9% | 33.3% | 33.8% |
| Divorced | 9.6% | 16.8% | 10.8% |
| Widowed | 8.7% | 12.0% | 5.6% |
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| Household Size | 2.59 | 2.44 | 2.60 |
| Households | 421 | 2,048 | 124,010,992 |
| Family Households | 299 | 1,249 | 80,755,759 |
| Married couple, w/children | 25.8% | 20.5% | 30.5% |
| Married couple, no children | 49.8% | 35.0% | 42.9% |
| Non Family Households | 122 | 799 | 43,255,233 |
| Single householder, w/children | 14.0% | 29.3% | 15.8% |
| Single householder, no children | 10.4% | 15.2% | 10.8% |