| | Taneytown, MD | New Market, MD | United States |
| Population | 7,183 | 1,598 | 329,725,481 |
| Female Population | 50.7% | 53.0% | 50.5% |
| Male Population | 49.3% | 47.0% | 49.5% |
| Median Age | 39.7 | 35.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 6,753 | 668 | 309,327,143 |
| Population - 2000 | 5,128 | 427 | 285,036,114 |
| Population - 1990 | 3,695 | 328 | 251,960,433 |
| Pop. 2000 to Now | 33.5% | 77.3% | 15.6% |
| Pop. 1990 to Now | 85.3% | 130.8% | 30.8% |
| space4 | | | |
| Population Density | 2,276.0 | 1,148.0 | 93.4 |
| Land Area | 3.2 | 1.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Taneytown, MD | New Market, MD | United States |
| Age 0 to 4 | 6.3% | 4.3% | 5.9% |
| Age 5 to 9 | 8.3% | 14.0% | 6.1% |
| Age 10 to 14 | 7.1% | 10.5% | 6.6% |
| Age 15 to 17 | 4.6% | 5.1% | 3.9% |
| Age 18 to 20 | 2.2% | 5.5% | 4.0% |
| Age 21 to 24 | 5.3% | 2.3% | 5.2% |
| Age 25 to 34 | 10.1% | 6.8% | 13.8% |
| Age 35 to 44 | 10.3% | 17.7% | 12.9% |
| Age 45 to 54 | 14.2% | 19.5% | 12.6% |
| Age 55 to 59 | 8.0% | 5.2% | 6.7% |
| Age 60 to 64 | 3.3% | 3.1% | 6.3% |
| Age 65 to 74 | 11.1% | 3.2% | 9.6% |
| Age 75 to 84 | 8.5% | 1.8% | 4.5% |
| Age 85 and over | 0.6% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Taneytown, MD | New Market, MD | United States |
| White | 87.3% | 88.6% | 59.4% |
| Black | 8.0% | 3.0% | 12.2% |
| Asian | 1.4% | 1.1% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.0% | 3.9% | 3.2% |
| Hispanic | 2.0% | 3.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Taneytown, MD | New Market, MD | United States |
| Married Population | 56.1% | 69.6% | 49.8% |
| Currently Married | 54.6% | 68.5% | 48.0% |
| Married but Separated | 1.5% | 1.1% | 1.8% |
| Single Population | 43.9% | 30.4% | 50.2% |
| Never Married | 28.4% | 22.4% | 33.8% |
| Divorced | 10.5% | 5.6% | 10.8% |
| Widowed | 5.0% | 2.4% | 5.6% |
| space5 | | | |
| Household Size | 2.58 | 3.15 | 2.60 |
| Households | 2,766 | 508 | 124,010,992 |
| Family Households | 1,878 | 433 | 80,755,759 |
| Married couple, w/children | 31.8% | 52.0% | 30.5% |
| Married couple, no children | 45.7% | 37.2% | 42.9% |
| Non Family Households | 888 | 75 | 43,255,233 |
| Single householder, w/children | 14.4% | 6.7% | 15.8% |
| Single householder, no children | 8.0% | 4.2% | 10.8% |