| | Throckmorton, TX | Breckenridge, TX | United States |
| Population | 627 | 5,258 | 329,725,481 |
| Female Population | 47.9% | 47.5% | 50.5% |
| Male Population | 52.2% | 52.5% | 49.5% |
| Median Age | 47.1 | 35.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 833 | 5,763 | 309,327,143 |
| Population - 2000 | 905 | 5,868 | 285,036,114 |
| Population - 1990 | 1,036 | 5,665 | 251,960,433 |
| Pop. 2000 to Now | -17.1% | -8.0% | 15.6% |
| Pop. 1990 to Now | -27.6% | -4.7% | 30.8% |
| space4 | | | |
| Population Density | 378.4 | 1,252.8 | 93.4 |
| Land Area | 1.7 | 4.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Throckmorton, TX | Breckenridge, TX | United States |
| Age 0 to 4 | 4.1% | 6.8% | 5.9% |
| Age 5 to 9 | 1.8% | 8.5% | 6.1% |
| Age 10 to 14 | 4.1% | 9.3% | 6.6% |
| Age 15 to 17 | 3.8% | 3.4% | 3.9% |
| Age 18 to 20 | 8.9% | 2.6% | 4.0% |
| Age 21 to 24 | 6.1% | 6.0% | 5.2% |
| Age 25 to 34 | 12.1% | 13.1% | 13.8% |
| Age 35 to 44 | 8.9% | 14.4% | 12.9% |
| Age 45 to 54 | 14.4% | 10.1% | 12.6% |
| Age 55 to 59 | 1.6% | 5.8% | 6.7% |
| Age 60 to 64 | 11.6% | 6.9% | 6.3% |
| Age 65 to 74 | 12.9% | 6.6% | 9.6% |
| Age 75 to 84 | 8.1% | 3.9% | 4.5% |
| Age 85 and over | 1.4% | 2.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Throckmorton, TX | Breckenridge, TX | United States |
| White | 77.7% | 55.8% | 59.4% |
| Black | 0.8% | 4.7% | 12.2% |
| Asian | 0.0% | 1.6% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 3.2% | 2.0% | 3.2% |
| Hispanic | 18.3% | 35.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Throckmorton, TX | Breckenridge, TX | United States |
| Married Population | 54.3% | 50.1% | 49.8% |
| Currently Married | 51.6% | 44.2% | 48.0% |
| Married but Separated | 2.7% | 5.9% | 1.8% |
| Single Population | 45.7% | 49.9% | 50.2% |
| Never Married | 31.6% | 28.4% | 33.8% |
| Divorced | 8.0% | 9.7% | 10.8% |
| Widowed | 6.2% | 11.8% | 5.6% |
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| Household Size | 2.25 | 2.64 | 2.60 |
| Households | 279 | 1,963 | 124,010,992 |
| Family Households | 146 | 1,288 | 80,755,759 |
| Married couple, w/children | 24.7% | 30.0% | 30.5% |
| Married couple, no children | 57.5% | 34.3% | 42.9% |
| Non Family Households | 133 | 675 | 43,255,233 |
| Single householder, w/children | 5.5% | 26.8% | 15.8% |
| Single householder, no children | 12.3% | 8.9% | 10.8% |