| | West Grove, PA | Jacksonville, OR | United States |
| Population | 2,782 | 2,984 | 329,725,481 |
| Female Population | 56.2% | 57.5% | 50.5% |
| Male Population | 43.9% | 42.5% | 49.5% |
| Median Age | 33 | 55.3 | 38.4 |
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| Population - 2010 | 2,859 | 2,769 | 309,327,143 |
| Population - 2000 | 2,652 | 2,235 | 285,036,114 |
| Population - 1990 | 2,128 | 1,896 | 251,960,433 |
| Pop. 2000 to Now | 7.0% | 28.2% | 15.6% |
| Pop. 1990 to Now | 33.4% | 51.1% | 30.8% |
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| Population Density | 4,273.4 | 1,577.2 | 93.4 |
| Land Area | 0.7 | 1.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | West Grove, PA | Jacksonville, OR | United States |
| Age 0 to 4 | 8.6% | 2.6% | 5.9% |
| Age 5 to 9 | 5.7% | 3.5% | 6.1% |
| Age 10 to 14 | 8.4% | 0.9% | 6.6% |
| Age 15 to 17 | 3.5% | 0.8% | 3.9% |
| Age 18 to 20 | 2.1% | 4.4% | 4.0% |
| Age 21 to 24 | 6.7% | 5.9% | 5.2% |
| Age 25 to 34 | 18.2% | 6.4% | 13.8% |
| Age 35 to 44 | 13.2% | 8.9% | 12.9% |
| Age 45 to 54 | 15.1% | 15.0% | 12.6% |
| Age 55 to 59 | 6.3% | 7.9% | 6.7% |
| Age 60 to 64 | 2.6% | 9.0% | 6.3% |
| Age 65 to 74 | 6.6% | 15.5% | 9.6% |
| Age 75 to 84 | 1.9% | 9.5% | 4.5% |
| Age 85 and over | 1.1% | 9.7% | 1.9% |
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| Race | | | |
| | West Grove, PA | Jacksonville, OR | United States |
| White | 52.3% | 89.5% | 59.4% |
| Black | 6.1% | 0.2% | 12.2% |
| Asian | 0.3% | 1.5% | 5.6% |
| Native American | 0.0% | 1.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 4.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 3.0% | 0.7% | 3.2% |
| Hispanic | 38.1% | 2.9% | 18.4% |
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| Marriage & Family | | | |
| | West Grove, PA | Jacksonville, OR | United States |
| Married Population | 51.2% | 49.3% | 49.8% |
| Currently Married | 48.5% | 49.3% | 48.0% |
| Married but Separated | 2.7% | 0.0% | 1.8% |
| Single Population | 48.8% | 50.7% | 50.2% |
| Never Married | 35.3% | 24.1% | 33.8% |
| Divorced | 10.4% | 16.5% | 10.8% |
| Widowed | 3.2% | 10.1% | 5.6% |
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| Household Size | 2.97 | 1.95 | 2.60 |
| Households | 937 | 1,532 | 124,010,992 |
| Family Households | 755 | 825 | 80,755,759 |
| Married couple, w/children | 34.6% | 6.8% | 30.5% |
| Married couple, no children | 29.0% | 74.5% | 42.9% |
| Non Family Households | 182 | 707 | 43,255,233 |
| Single householder, w/children | 24.0% | 8.2% | 15.8% |
| Single householder, no children | 12.5% | 10.4% | 10.8% |