| | Rheems, PA | Trappe, PA | United States |
| Population | 2,515 | 3,946 | 329,725,481 |
| Female Population | 43.1% | 53.7% | 50.5% |
| Male Population | 56.9% | 46.3% | 49.5% |
| Median Age | 35.4 | 39.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,313 | 3,510 | 309,327,143 |
| Population - 2000 | 1,557 | 3,210 | 285,036,114 |
| Population - 1990 | 1,044 | 2,115 | 251,960,433 |
| Pop. 2000 to Now | -13.9% | 16.5% | 15.6% |
| Pop. 1990 to Now | 28.4% | 76.8% | 30.8% |
| space4 | | | |
| Population Density | 2,129.6 | 1,898.9 | 93.4 |
| Land Area | 1.2 | 2.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Rheems, PA | Trappe, PA | United States |
| Age 0 to 4 | 6.8% | 5.1% | 5.9% |
| Age 5 to 9 | 6.6% | 2.9% | 6.1% |
| Age 10 to 14 | 9.2% | 6.2% | 6.6% |
| Age 15 to 17 | 2.7% | 7.5% | 3.9% |
| Age 18 to 20 | 1.7% | 4.8% | 4.0% |
| Age 21 to 24 | 2.5% | 2.7% | 5.2% |
| Age 25 to 34 | 18.5% | 16.0% | 13.8% |
| Age 35 to 44 | 16.2% | 12.1% | 12.9% |
| Age 45 to 54 | 12.7% | 16.2% | 12.6% |
| Age 55 to 59 | 4.1% | 7.5% | 6.7% |
| Age 60 to 64 | 3.4% | 6.1% | 6.3% |
| Age 65 to 74 | 10.3% | 7.1% | 9.6% |
| Age 75 to 84 | 2.4% | 3.1% | 4.5% |
| Age 85 and over | 3.0% | 2.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Rheems, PA | Trappe, PA | United States |
| White | 93.6% | 81.6% | 59.4% |
| Black | 0.0% | 7.1% | 12.2% |
| Asian | 0.0% | 4.8% | 5.6% |
| Native American | 0.0% | 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% | 0.5% | 3.2% |
| Hispanic | 6.4% | 5.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Rheems, PA | Trappe, PA | United States |
| Married Population | 70.3% | 58.5% | 49.8% |
| Currently Married | 68.6% | 57.6% | 48.0% |
| Married but Separated | 1.7% | 0.9% | 1.8% |
| Single Population | 29.7% | 41.5% | 50.2% |
| Never Married | 12.3% | 29.6% | 33.8% |
| Divorced | 11.3% | 8.6% | 10.8% |
| Widowed | 6.1% | 3.4% | 5.6% |
| space5 | | | |
| Household Size | 2.59 | 2.61 | 2.60 |
| Households | 938 | 1,514 | 124,010,992 |
| Family Households | 710 | 1,157 | 80,755,759 |
| Married couple, w/children | 39.3% | 38.1% | 30.5% |
| Married couple, no children | 53.4% | 45.7% | 42.9% |
| Non Family Households | 228 | 357 | 43,255,233 |
| Single householder, w/children | 4.8% | 13.2% | 15.8% |
| Single householder, no children | 2.5% | 2.9% | 10.8% |