| | Buhl, ID | Mountain Home, AR | United States |
| Population | 4,532 | 12,722 | 329,725,481 |
| Female Population | 51.9% | 51.3% | 50.5% |
| Male Population | 48.1% | 48.7% | 49.5% |
| Median Age | 34.5 | 43.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,184 | 12,452 | 309,327,143 |
| Population - 2000 | 3,985 | 11,012 | 285,036,114 |
| Population - 1990 | 3,516 | 9,027 | 251,960,433 |
| Pop. 2000 to Now | 13.5% | 14.8% | 15.6% |
| Pop. 1990 to Now | 28.7% | 40.0% | 30.8% |
| space4 | | | |
| Population Density | 2,411.9 | 1,068.9 | 93.4 |
| Land Area | 1.9 | 11.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Buhl, ID | Mountain Home, AR | United States |
| Age 0 to 4 | 5.9% | 4.5% | 5.9% |
| Age 5 to 9 | 7.5% | 6.0% | 6.1% |
| Age 10 to 14 | 9.8% | 4.9% | 6.6% |
| Age 15 to 17 | 5.4% | 4.5% | 3.9% |
| Age 18 to 20 | 3.4% | 4.4% | 4.0% |
| Age 21 to 24 | 4.8% | 3.6% | 5.2% |
| Age 25 to 34 | 14.3% | 13.3% | 13.8% |
| Age 35 to 44 | 9.6% | 10.2% | 12.9% |
| Age 45 to 54 | 12.3% | 10.3% | 12.6% |
| Age 55 to 59 | 4.8% | 5.2% | 6.7% |
| Age 60 to 64 | 5.3% | 5.0% | 6.3% |
| Age 65 to 74 | 8.8% | 11.9% | 9.6% |
| Age 75 to 84 | 5.5% | 11.8% | 4.5% |
| Age 85 and over | 2.7% | 4.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Buhl, ID | Mountain Home, AR | United States |
| White | 58.2% | 92.7% | 59.4% |
| Black | 0.3% | 0.5% | 12.2% |
| Asian | 0.0% | 0.4% | 5.6% |
| Native American | 0.0% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.9% | 2.7% | 3.2% |
| Hispanic | 39.7% | 3.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Buhl, ID | Mountain Home, AR | United States |
| Married Population | 48.9% | 50.3% | 49.8% |
| Currently Married | 47.8% | 48.4% | 48.0% |
| Married but Separated | 1.1% | 2.0% | 1.8% |
| Single Population | 51.1% | 49.7% | 50.2% |
| Never Married | 25.1% | 24.9% | 33.8% |
| Divorced | 17.5% | 11.9% | 10.8% |
| Widowed | 8.5% | 12.9% | 5.6% |
| space5 | | | |
| Household Size | 2.59 | 2.09 | 2.60 |
| Households | 1,738 | 5,963 | 124,010,992 |
| Family Households | 991 | 2,967 | 80,755,759 |
| Married couple, w/children | 42.2% | 35.6% | 30.5% |
| Married couple, no children | 33.4% | 48.3% | 42.9% |
| Non Family Households | 747 | 2,996 | 43,255,233 |
| Single householder, w/children | 17.8% | 9.0% | 15.8% |
| Single householder, no children | 6.7% | 7.0% | 10.8% |