| | Bergholz, OH | Oakdale, PA | United States |
| Population | 516 | 1,448 | 329,725,481 |
| Female Population | 44.0% | 52.2% | 50.5% |
| Male Population | 56.0% | 47.8% | 49.5% |
| Median Age | 42.3 | 45.8 | 38.4 |
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| Population - 2010 | 664 | 1,455 | 309,327,143 |
| Population - 2000 | 769 | 1,551 | 285,036,114 |
| Population - 1990 | 713 | 1,752 | 251,960,433 |
| Pop. 2000 to Now | -20.3% | -8.3% | 15.6% |
| Pop. 1990 to Now | -14.0% | -18.8% | 30.8% |
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| Population Density | 916.5 | 3,087.4 | 93.4 |
| Land Area | 0.6 | 0.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bergholz, OH | Oakdale, PA | United States |
| Age 0 to 4 | 9.1% | 6.8% | 5.9% |
| Age 5 to 9 | 3.5% | 3.5% | 6.1% |
| Age 10 to 14 | 9.1% | 4.7% | 6.6% |
| Age 15 to 17 | 2.9% | 2.4% | 3.9% |
| Age 18 to 20 | 3.3% | 1.9% | 4.0% |
| Age 21 to 24 | 2.1% | 2.7% | 5.2% |
| Age 25 to 34 | 15.1% | 15.0% | 13.8% |
| Age 35 to 44 | 7.6% | 10.6% | 12.9% |
| Age 45 to 54 | 14.1% | 15.6% | 12.6% |
| Age 55 to 59 | 5.6% | 6.8% | 6.7% |
| Age 60 to 64 | 5.6% | 10.6% | 6.3% |
| Age 65 to 74 | 12.4% | 13.0% | 9.6% |
| Age 75 to 84 | 7.4% | 4.5% | 4.5% |
| Age 85 and over | 2.1% | 1.9% | 1.9% |
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| Race | | | |
| | Bergholz, OH | Oakdale, PA | United States |
| White | 95.5% | 90.8% | 59.4% |
| Black | 0.0% | 4.1% | 12.2% |
| Asian | 0.0% | 0.1% | 5.6% |
| Native American | 0.6% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.4% | 5.0% | 3.2% |
| Hispanic | 3.5% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Bergholz, OH | Oakdale, PA | United States |
| Married Population | 55.7% | 55.3% | 49.8% |
| Currently Married | 53.7% | 54.6% | 48.0% |
| Married but Separated | 2.0% | 0.7% | 1.8% |
| Single Population | 44.3% | 44.7% | 50.2% |
| Never Married | 23.0% | 28.1% | 33.8% |
| Divorced | 13.6% | 10.4% | 10.8% |
| Widowed | 7.7% | 6.2% | 5.6% |
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| Household Size | 2.33 | 2.21 | 2.60 |
| Households | 221 | 656 | 124,010,992 |
| Family Households | 127 | 410 | 80,755,759 |
| Married couple, w/children | 33.9% | 25.9% | 30.5% |
| Married couple, no children | 44.9% | 56.6% | 42.9% |
| Non Family Households | 94 | 246 | 43,255,233 |
| Single householder, w/children | 11.0% | 12.0% | 15.8% |
| Single householder, no children | 10.2% | 5.6% | 10.8% |