| | Reklaw, TX | Challis, ID | United States |
| Population | 376 | 891 | 329,725,481 |
| Female Population | 48.1% | 50.7% | 50.5% |
| Male Population | 51.9% | 49.3% | 49.5% |
| Median Age | 34.3 | 43.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 376 | 1,093 | 309,327,143 |
| Population - 2000 | 327 | 909 | 285,036,114 |
| Population - 1990 | 266 | 1,073 | 251,960,433 |
| Pop. 2000 to Now | 19.6% | 17.3% | 15.6% |
| Pop. 1990 to Now | 47.0% | -0.7% | 30.8% |
| space4 | | | |
| Population Density | 127.8 | 464.3 | 93.4 |
| Land Area | 2.9 | 1.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Reklaw, TX | Challis, ID | United States |
| Age 0 to 4 | 8.5% | 4.8% | 5.9% |
| Age 5 to 9 | 17.3% | 10.7% | 6.1% |
| Age 10 to 14 | 1.6% | 8.1% | 6.6% |
| Age 15 to 17 | 5.3% | 2.2% | 3.9% |
| Age 18 to 20 | 7.4% | 0.7% | 4.0% |
| Age 21 to 24 | 1.9% | 5.8% | 5.2% |
| Age 25 to 34 | 9.6% | 8.6% | 13.8% |
| Age 35 to 44 | 4.8% | 12.7% | 12.9% |
| Age 45 to 54 | 13.8% | 17.8% | 12.6% |
| Age 55 to 59 | 13.8% | 8.1% | 6.7% |
| Age 60 to 64 | 4.3% | 6.3% | 6.3% |
| Age 65 to 74 | 7.7% | 11.9% | 9.6% |
| Age 75 to 84 | 2.4% | 1.7% | 4.5% |
| Age 85 and over | 1.6% | 0.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Reklaw, TX | Challis, ID | United States |
| White | 63.0% | 82.6% | 59.4% |
| Black | 17.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.1% | 5.6% |
| Native American | 0.0% | 2.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 3.0% | 0.4% |
| Two or More Races | 0.0% | 1.2% | 3.2% |
| Hispanic | 19.9% | 10.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Reklaw, TX | Challis, ID | United States |
| Married Population | 56.8% | 49.3% | 49.8% |
| Currently Married | 54.2% | 46.4% | 48.0% |
| Married but Separated | 2.6% | 2.9% | 1.8% |
| Single Population | 43.2% | 50.7% | 50.2% |
| Never Married | 29.3% | 24.5% | 33.8% |
| Divorced | 5.9% | 25.4% | 10.8% |
| Widowed | 8.1% | 0.7% | 5.6% |
| space5 | | | |
| Household Size | 3.13 | 2.48 | 2.60 |
| Households | 120 | 346 | 124,010,992 |
| Family Households | 96 | 150 | 80,755,759 |
| Married couple, w/children | 21.9% | 38.7% | 30.5% |
| Married couple, no children | 47.9% | 36.0% | 42.9% |
| Non Family Households | 24 | 196 | 43,255,233 |
| Single householder, w/children | 22.9% | 12.0% | 15.8% |
| Single householder, no children | 7.3% | 13.3% | 10.8% |