| | Twinsburg, OH | Franklin, IN | United States |
| Population | 19,220 | 25,112 | 329,725,481 |
| Female Population | 51.0% | 52.5% | 50.5% |
| Male Population | 49.0% | 47.6% | 49.5% |
| Median Age | 43.8 | 35.2 | 38.4 |
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| Population - 2010 | 18,490 | 23,720 | 309,327,143 |
| Population - 2000 | 17,006 | 19,463 | 285,036,114 |
| Population - 1990 | 9,606 | 12,907 | 251,960,433 |
| Pop. 2000 to Now | 11.2% | 32.9% | 15.6% |
| Pop. 1990 to Now | 96.9% | 100.4% | 30.8% |
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| Population Density | 1,396.9 | 1,902.1 | 93.4 |
| Land Area | 13.8 | 13.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Twinsburg, OH | Franklin, IN | United States |
| Age 0 to 4 | 5.5% | 6.0% | 5.9% |
| Age 5 to 9 | 6.1% | 6.7% | 6.1% |
| Age 10 to 14 | 7.3% | 7.5% | 6.6% |
| Age 15 to 17 | 4.4% | 4.5% | 3.9% |
| Age 18 to 20 | 3.0% | 5.0% | 4.0% |
| Age 21 to 24 | 3.1% | 6.3% | 5.2% |
| Age 25 to 34 | 9.4% | 13.5% | 13.8% |
| Age 35 to 44 | 12.6% | 12.6% | 12.9% |
| Age 45 to 54 | 15.1% | 10.0% | 12.6% |
| Age 55 to 59 | 8.0% | 7.1% | 6.7% |
| Age 60 to 64 | 6.4% | 6.0% | 6.3% |
| Age 65 to 74 | 12.1% | 7.9% | 9.6% |
| Age 75 to 84 | 4.4% | 3.8% | 4.5% |
| Age 85 and over | 2.4% | 3.1% | 1.9% |
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| Race | | | |
| | Twinsburg, OH | Franklin, IN | United States |
| White | 69.7% | 91.1% | 59.4% |
| Black | 17.1% | 2.9% | 12.2% |
| Asian | 5.8% | 0.9% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.8% | 0.2% | 0.4% |
| Two or More Races | 3.2% | 2.4% | 3.2% |
| Hispanic | 3.4% | 2.4% | 18.4% |
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| Marriage & Family | | | |
| | Twinsburg, OH | Franklin, IN | United States |
| Married Population | 54.4% | 47.4% | 49.8% |
| Currently Married | 53.4% | 46.8% | 48.0% |
| Married but Separated | 1.1% | 0.6% | 1.8% |
| Single Population | 45.6% | 52.6% | 50.2% |
| Never Married | 27.3% | 31.5% | 33.8% |
| Divorced | 13.0% | 13.8% | 10.8% |
| Widowed | 5.3% | 7.4% | 5.6% |
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| Household Size | 2.43 | 2.67 | 2.60 |
| Households | 7,858 | 8,988 | 124,010,992 |
| Family Households | 5,274 | 6,002 | 80,755,759 |
| Married couple, w/children | 33.0% | 34.9% | 30.5% |
| Married couple, no children | 43.3% | 37.3% | 42.9% |
| Non Family Households | 2,584 | 2,986 | 43,255,233 |
| Single householder, w/children | 16.6% | 17.5% | 15.8% |
| Single householder, no children | 7.2% | 10.3% | 10.8% |