| | Harborcreek, PA | Macclenny, FL | United States |
| Population | 16,665 | 7,215 | 329,725,481 |
| Female Population | 50.8% | 49.2% | 50.5% |
| Male Population | 49.2% | 50.8% | 49.5% |
| Median Age | 41.6 | 37.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 17,246 | 6,358 | 309,327,143 |
| Population - 2000 | 15,178 | 4,459 | 285,036,114 |
| Population - 1990 | 15,108 | 3,966 | 251,960,433 |
| Pop. 2000 to Now | 12.0% | 59.0% | 15.6% |
| Pop. 1990 to Now | 12.5% | 78.8% | 30.8% |
| space4 | | | |
| Population Density | 488.9 | 1,525.1 | 93.4 |
| Land Area | 34.1 | 4.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Harborcreek, PA | Macclenny, FL | United States |
| Age 0 to 4 | 3.5% | 7.5% | 5.9% |
| Age 5 to 9 | 6.9% | 3.8% | 6.1% |
| Age 10 to 14 | 5.9% | 8.7% | 6.6% |
| Age 15 to 17 | 3.3% | 3.5% | 3.9% |
| Age 18 to 20 | 11.6% | 7.1% | 4.0% |
| Age 21 to 24 | 4.4% | 4.4% | 5.2% |
| Age 25 to 34 | 7.7% | 12.7% | 13.8% |
| Age 35 to 44 | 9.4% | 10.1% | 12.9% |
| Age 45 to 54 | 13.0% | 16.9% | 12.6% |
| Age 55 to 59 | 6.9% | 6.6% | 6.7% |
| Age 60 to 64 | 7.1% | 5.6% | 6.3% |
| Age 65 to 74 | 11.9% | 8.1% | 9.6% |
| Age 75 to 84 | 5.9% | 3.1% | 4.5% |
| Age 85 and over | 2.7% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Harborcreek, PA | Macclenny, FL | United States |
| White | 92.3% | 68.1% | 59.4% |
| Black | 1.0% | 21.8% | 12.2% |
| Asian | 3.8% | 0.5% | 5.6% |
| Native American | 0.1% | 1.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 1.5% | 4.0% | 3.2% |
| Hispanic | 1.2% | 4.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Harborcreek, PA | Macclenny, FL | United States |
| Married Population | 52.5% | 41.4% | 49.8% |
| Currently Married | 51.4% | 40.4% | 48.0% |
| Married but Separated | 1.2% | 1.0% | 1.8% |
| Single Population | 47.5% | 58.6% | 50.2% |
| Never Married | 33.1% | 38.3% | 33.8% |
| Divorced | 8.0% | 13.9% | 10.8% |
| Widowed | 6.4% | 6.4% | 5.6% |
| space5 | | | |
| Household Size | 2.45 | 2.79 | 2.60 |
| Households | 6,002 | 2,404 | 124,010,992 |
| Family Households | 4,280 | 1,673 | 80,755,759 |
| Married couple, w/children | 29.1% | 29.6% | 30.5% |
| Married couple, no children | 52.1% | 35.6% | 42.9% |
| Non Family Households | 1,722 | 731 | 43,255,233 |
| Single householder, w/children | 9.9% | 19.7% | 15.8% |
| Single householder, no children | 9.0% | 15.1% | 10.8% |