| | Potosi, TX | Lawn, TX | United States |
| Population | 4,720 | 411 | 329,725,481 |
| Female Population | 52.8% | 46.0% | 50.5% |
| Male Population | 47.2% | 54.0% | 49.5% |
| Median Age | 34.5 | 47.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,916 | 315 | 309,327,143 |
| Population - 2000 | 1,664 | 353 | 285,036,114 |
| Population - 1990 | 1,441 | 358 | 251,960,433 |
| Pop. 2000 to Now | 90.8% | -8.8% | 15.6% |
| Pop. 1990 to Now | 120.3% | -10.1% | 30.8% |
| space4 | | | |
| Population Density | 257.3 | 688.4 | 93.4 |
| Land Area | 18.3 | 0.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Potosi, TX | Lawn, TX | United States |
| Age 0 to 4 | 7.2% | 4.6% | 5.9% |
| Age 5 to 9 | 13.0% | 0.5% | 6.1% |
| Age 10 to 14 | 5.8% | 7.5% | 6.6% |
| Age 15 to 17 | 2.6% | 5.8% | 3.9% |
| Age 18 to 20 | 5.3% | 4.9% | 4.0% |
| Age 21 to 24 | 2.7% | 0.5% | 5.2% |
| Age 25 to 34 | 13.8% | 7.5% | 13.8% |
| Age 35 to 44 | 9.2% | 14.4% | 12.9% |
| Age 45 to 54 | 14.9% | 8.5% | 12.6% |
| Age 55 to 59 | 8.9% | 5.8% | 6.7% |
| Age 60 to 64 | 4.3% | 11.2% | 6.3% |
| Age 65 to 74 | 7.2% | 22.6% | 9.6% |
| Age 75 to 84 | 4.9% | 5.4% | 4.5% |
| Age 85 and over | 0.2% | 0.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Potosi, TX | Lawn, TX | United States |
| White | 70.9% | 77.4% | 59.4% |
| Black | 1.3% | 0.5% | 12.2% |
| Asian | 5.6% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.5% | 0.2% | 3.2% |
| Hispanic | 21.6% | 21.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Potosi, TX | Lawn, TX | United States |
| Married Population | 73.4% | 56.3% | 49.8% |
| Currently Married | 73.1% | 51.0% | 48.0% |
| Married but Separated | 0.4% | 5.3% | 1.8% |
| Single Population | 26.6% | 43.7% | 50.2% |
| Never Married | 18.8% | 20.3% | 33.8% |
| Divorced | 6.8% | 15.6% | 10.8% |
| Widowed | 1.0% | 7.8% | 5.6% |
| space5 | | | |
| Household Size | 3.15 | 2.26 | 2.60 |
| Households | 1,500 | 182 | 124,010,992 |
| Family Households | 1,216 | 126 | 80,755,759 |
| Married couple, w/children | 48.1% | 27.8% | 30.5% |
| Married couple, no children | 48.6% | 42.1% | 42.9% |
| Non Family Households | 284 | 56 | 43,255,233 |
| Single householder, w/children | 2.5% | 11.9% | 15.8% |
| Single householder, no children | 0.8% | 18.3% | 10.8% |