| | Shepherd, MT | Blanchester, OH | United States |
| Population | 825 | 4,399 | 329,725,481 |
| Female Population | 49.7% | 47.8% | 50.5% |
| Male Population | 50.3% | 52.2% | 49.5% |
| Median Age | 40.9 | 36.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 662 | 4,249 | 309,327,143 |
| Population - 2000 | 193 | 4,220 | 285,036,114 |
| Population - 1990 | 312 | 4,206 | 251,960,433 |
| Pop. 2000 to Now | 222.3% | 0.9% | 15.6% |
| Pop. 1990 to Now | 99.4% | 1.2% | 30.8% |
| space4 | | | |
| Population Density | 371.0 | 1,060.5 | 93.4 |
| Land Area | 2.2 | 4.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Shepherd, MT | Blanchester, OH | United States |
| Age 0 to 4 | 12.0% | 9.5% | 5.9% |
| Age 5 to 9 | 9.2% | 5.4% | 6.1% |
| Age 10 to 14 | 10.5% | 7.7% | 6.6% |
| Age 15 to 17 | 2.3% | 4.5% | 3.9% |
| Age 18 to 20 | 3.9% | 4.3% | 4.0% |
| Age 21 to 24 | 3.5% | 8.5% | 5.2% |
| Age 25 to 34 | 2.5% | 8.3% | 13.8% |
| Age 35 to 44 | 11.6% | 16.4% | 12.9% |
| Age 45 to 54 | 28.5% | 10.3% | 12.6% |
| Age 55 to 59 | 1.9% | 5.3% | 6.7% |
| Age 60 to 64 | 3.2% | 5.1% | 6.3% |
| Age 65 to 74 | 9.7% | 7.3% | 9.6% |
| Age 75 to 84 | 1.1% | 5.1% | 4.5% |
| Age 85 and over | 0.0% | 2.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Shepherd, MT | Blanchester, OH | United States |
| White | 82.4% | 96.0% | 59.4% |
| Black | 0.0% | 0.7% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 17.6% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 0.0% | 3.0% | 3.2% |
| Hispanic | 0.0% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Shepherd, MT | Blanchester, OH | United States |
| Married Population | 66.1% | 50.4% | 49.8% |
| Currently Married | 66.1% | 49.7% | 48.0% |
| Married but Separated | 0.0% | 0.7% | 1.8% |
| Single Population | 33.9% | 49.6% | 50.2% |
| Never Married | 24.0% | 30.5% | 33.8% |
| Divorced | 9.9% | 12.4% | 10.8% |
| Widowed | 0.0% | 6.7% | 5.6% |
| space5 | | | |
| Household Size | 2.99 | 2.57 | 2.60 |
| Households | 276 | 1,669 | 124,010,992 |
| Family Households | 201 | 1,122 | 80,755,759 |
| Married couple, w/children | 39.3% | 29.0% | 30.5% |
| Married couple, no children | 55.7% | 44.4% | 42.9% |
| Non Family Households | 75 | 547 | 43,255,233 |
| Single householder, w/children | 5.0% | 17.7% | 15.8% |
| Single householder, no children | 0.0% | 8.9% | 10.8% |