| | Fremont, OH | Newark, OH | United States |
| Population | 15,954 | 49,703 | 329,725,481 |
| Female Population | 51.5% | 51.5% | 50.5% |
| Male Population | 48.5% | 48.5% | 49.5% |
| Median Age | 36.6 | 38.3 | 38.4 |
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| Population - 2010 | 16,614 | 47,607 | 309,327,143 |
| Population - 2000 | 17,375 | 46,279 | 285,036,114 |
| Population - 1990 | 17,648 | 44,389 | 251,960,433 |
| Pop. 2000 to Now | -8.8% | 9.5% | 15.6% |
| Pop. 1990 to Now | -10.3% | 14.1% | 30.8% |
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| Population Density | 1,892.5 | 2,386.1 | 93.4 |
| Land Area | 8.4 | 20.8 | 3,531,905.4 |
| Water Area | 0.2 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Fremont, OH | Newark, OH | United States |
| Age 0 to 4 | 5.7% | 5.7% | 5.9% |
| Age 5 to 9 | 6.4% | 6.1% | 6.1% |
| Age 10 to 14 | 9.0% | 6.8% | 6.6% |
| Age 15 to 17 | 4.9% | 3.7% | 3.9% |
| Age 18 to 20 | 3.4% | 4.0% | 4.0% |
| Age 21 to 24 | 4.1% | 6.4% | 5.2% |
| Age 25 to 34 | 14.0% | 12.9% | 13.8% |
| Age 35 to 44 | 13.8% | 12.5% | 12.9% |
| Age 45 to 54 | 11.0% | 12.5% | 12.6% |
| Age 55 to 59 | 6.9% | 7.2% | 6.7% |
| Age 60 to 64 | 5.5% | 6.1% | 6.3% |
| Age 65 to 74 | 9.1% | 9.1% | 9.6% |
| Age 75 to 84 | 4.3% | 4.5% | 4.5% |
| Age 85 and over | 1.8% | 2.5% | 1.9% |
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| Race | | | |
| | Fremont, OH | Newark, OH | United States |
| White | 73.4% | 89.3% | 59.4% |
| Black | 6.5% | 3.1% | 12.2% |
| Asian | 0.5% | 0.7% | 5.6% |
| Native American | 0.6% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.3% | 0.4% |
| Two or More Races | 3.5% | 4.3% | 3.2% |
| Hispanic | 15.4% | 2.1% | 18.4% |
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| Marriage & Family | | | |
| | Fremont, OH | Newark, OH | United States |
| Married Population | 41.6% | 45.1% | 49.8% |
| Currently Married | 40.3% | 42.5% | 48.0% |
| Married but Separated | 1.2% | 2.6% | 1.8% |
| Single Population | 58.4% | 54.9% | 50.2% |
| Never Married | 34.7% | 32.4% | 33.8% |
| Divorced | 17.1% | 15.8% | 10.8% |
| Widowed | 6.7% | 6.7% | 5.6% |
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| Household Size | 2.37 | 2.45 | 2.60 |
| Households | 6,556 | 19,800 | 124,010,992 |
| Family Households | 3,662 | 11,966 | 80,755,759 |
| Married couple, w/children | 33.4% | 26.3% | 30.5% |
| Married couple, no children | 32.4% | 39.5% | 42.9% |
| Non Family Households | 2,894 | 7,834 | 43,255,233 |
| Single householder, w/children | 19.8% | 23.6% | 15.8% |
| Single householder, no children | 14.4% | 10.7% | 10.8% |