| | West York, PA | Elmira, NY | United States |
| Population | 5,038 | 26,737 | 329,725,481 |
| Female Population | 54.5% | 50.1% | 50.5% |
| Male Population | 45.5% | 49.9% | 49.5% |
| Median Age | 30.5 | 35.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,660 | 29,258 | 309,327,143 |
| Population - 2000 | 4,321 | 30,940 | 285,036,114 |
| Population - 1990 | 4,283 | 33,724 | 251,960,433 |
| Pop. 2000 to Now | 6.5% | -12.6% | 15.6% |
| Pop. 1990 to Now | 7.5% | -19.8% | 30.8% |
| space4 | | | |
| Population Density | 9,596.2 | 3,686.9 | 93.4 |
| Land Area | 0.5 | 7.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | West York, PA | Elmira, NY | United States |
| Age 0 to 4 | 14.4% | 4.7% | 5.9% |
| Age 5 to 9 | 3.4% | 6.5% | 6.1% |
| Age 10 to 14 | 6.0% | 7.8% | 6.6% |
| Age 15 to 17 | 5.0% | 3.4% | 3.9% |
| Age 18 to 20 | 4.6% | 5.4% | 4.0% |
| Age 21 to 24 | 4.4% | 5.0% | 5.2% |
| Age 25 to 34 | 15.8% | 16.0% | 13.8% |
| Age 35 to 44 | 12.9% | 13.1% | 12.9% |
| Age 45 to 54 | 11.8% | 11.4% | 12.6% |
| Age 55 to 59 | 3.7% | 7.1% | 6.7% |
| Age 60 to 64 | 8.8% | 5.4% | 6.3% |
| Age 65 to 74 | 6.5% | 9.2% | 9.6% |
| Age 75 to 84 | 2.3% | 2.8% | 4.5% |
| Age 85 and over | 0.4% | 2.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | West York, PA | Elmira, NY | United States |
| White | 56.8% | 74.9% | 59.4% |
| Black | 15.6% | 11.7% | 12.2% |
| Asian | 3.0% | 1.0% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.6% | 0.4% |
| Two or More Races | 4.1% | 6.0% | 3.2% |
| Hispanic | 20.4% | 5.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | West York, PA | Elmira, NY | United States |
| Married Population | 29.6% | 37.2% | 49.8% |
| Currently Married | 26.4% | 33.9% | 48.0% |
| Married but Separated | 3.2% | 3.3% | 1.8% |
| Single Population | 70.4% | 62.8% | 50.2% |
| Never Married | 43.0% | 44.5% | 33.8% |
| Divorced | 18.7% | 13.1% | 10.8% |
| Widowed | 8.7% | 5.1% | 5.6% |
| space5 | | | |
| Household Size | 2.76 | 2.36 | 2.60 |
| Households | 1,828 | 9,871 | 124,010,992 |
| Family Households | 1,118 | 5,603 | 80,755,759 |
| Married couple, w/children | 21.6% | 24.8% | 30.5% |
| Married couple, no children | 18.0% | 33.0% | 42.9% |
| Non Family Households | 710 | 4,268 | 43,255,233 |
| Single householder, w/children | 51.9% | 29.6% | 15.8% |
| Single householder, no children | 8.5% | 12.6% | 10.8% |