| | Hollidaysburg, PA | Eastlake, OH | United States |
| Population | 5,622 | 17,743 | 329,725,481 |
| Female Population | 49.3% | 50.8% | 50.5% |
| Male Population | 50.8% | 49.2% | 49.5% |
| Median Age | 49.5 | 46.3 | 38.4 |
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| Population - 2010 | 5,755 | 18,594 | 309,327,143 |
| Population - 2000 | 5,368 | 20,255 | 285,036,114 |
| Population - 1990 | 5,624 | 21,161 | 251,960,433 |
| Pop. 2000 to Now | 4.9% | -11.4% | 15.6% |
| Pop. 1990 to Now | 0.1% | -15.2% | 30.8% |
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| Population Density | 2,402.6 | 2,774.5 | 93.4 |
| Land Area | 2.3 | 6.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Hollidaysburg, PA | Eastlake, OH | United States |
| Age 0 to 4 | 2.7% | 4.1% | 5.9% |
| Age 5 to 9 | 4.9% | 3.8% | 6.1% |
| Age 10 to 14 | 5.4% | 4.1% | 6.6% |
| Age 15 to 17 | 5.5% | 4.3% | 3.9% |
| Age 18 to 20 | 2.3% | 3.4% | 4.0% |
| Age 21 to 24 | 1.1% | 5.6% | 5.2% |
| Age 25 to 34 | 8.7% | 12.9% | 13.8% |
| Age 35 to 44 | 13.6% | 10.5% | 12.9% |
| Age 45 to 54 | 15.3% | 13.4% | 12.6% |
| Age 55 to 59 | 8.3% | 7.5% | 6.7% |
| Age 60 to 64 | 5.5% | 7.9% | 6.3% |
| Age 65 to 74 | 12.6% | 12.5% | 9.6% |
| Age 75 to 84 | 9.6% | 8.2% | 4.5% |
| Age 85 and over | 4.4% | 1.7% | 1.9% |
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| Race | | | |
| | Hollidaysburg, PA | Eastlake, OH | United States |
| White | 95.1% | 89.0% | 59.4% |
| Black | 1.4% | 3.6% | 12.2% |
| Asian | 3.3% | 0.5% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 0.0% | 3.5% | 3.2% |
| Hispanic | 0.2% | 2.8% | 18.4% |
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| Marriage & Family | | | |
| | Hollidaysburg, PA | Eastlake, OH | United States |
| Married Population | 49.2% | 45.6% | 49.8% |
| Currently Married | 47.0% | 44.1% | 48.0% |
| Married but Separated | 2.2% | 1.5% | 1.8% |
| Single Population | 50.8% | 54.4% | 50.2% |
| Never Married | 28.0% | 32.4% | 33.8% |
| Divorced | 14.4% | 13.3% | 10.8% |
| Widowed | 8.5% | 8.8% | 5.6% |
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| Household Size | 2.06 | 2.19 | 2.60 |
| Households | 2,590 | 8,083 | 124,010,992 |
| Family Households | 1,427 | 4,505 | 80,755,759 |
| Married couple, w/children | 33.0% | 23.3% | 30.5% |
| Married couple, no children | 43.4% | 49.8% | 42.9% |
| Non Family Households | 1,163 | 3,578 | 43,255,233 |
| Single householder, w/children | 8.1% | 16.0% | 15.8% |
| Single householder, no children | 15.6% | 10.9% | 10.8% |