| | Cedarville, OH | Springfield, OH | United States |
| Population | 4,148 | 58,992 | 329,725,481 |
| Female Population | 55.6% | 52.7% | 50.5% |
| Male Population | 44.4% | 47.3% | 49.5% |
| Median Age | 20.4 | 36.3 | 38.4 |
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| Population - 2010 | 3,973 | 60,531 | 309,327,143 |
| Population - 2000 | 3,828 | 65,358 | 285,036,114 |
| Population - 1990 | 3,210 | 70,487 | 251,960,433 |
| Pop. 2000 to Now | 13.0% | -10.6% | 15.6% |
| Pop. 1990 to Now | 34.8% | -17.1% | 30.8% |
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| Population Density | 3,168.8 | 2,291.3 | 93.4 |
| Land Area | 1.3 | 25.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Cedarville, OH | Springfield, OH | United States |
| Age 0 to 4 | 3.4% | 7.0% | 5.9% |
| Age 5 to 9 | 2.0% | 6.5% | 6.1% |
| Age 10 to 14 | 2.9% | 6.7% | 6.6% |
| Age 15 to 17 | 1.8% | 4.0% | 3.9% |
| Age 18 to 20 | 48.6% | 5.4% | 4.0% |
| Age 21 to 24 | 18.9% | 6.1% | 5.2% |
| Age 25 to 34 | 5.4% | 12.8% | 13.8% |
| Age 35 to 44 | 4.9% | 10.5% | 12.9% |
| Age 45 to 54 | 4.9% | 11.5% | 12.6% |
| Age 55 to 59 | 1.6% | 6.5% | 6.7% |
| Age 60 to 64 | 1.7% | 6.1% | 6.3% |
| Age 65 to 74 | 2.4% | 9.6% | 9.6% |
| Age 75 to 84 | 1.4% | 4.6% | 4.5% |
| Age 85 and over | 0.3% | 2.8% | 1.9% |
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| Race | | | |
| | Cedarville, OH | Springfield, OH | United States |
| White | 78.7% | 70.6% | 59.4% |
| Black | 10.9% | 17.4% | 12.2% |
| Asian | 2.5% | 0.8% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.4% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 4.1% | 6.0% | 3.2% |
| Hispanic | 3.4% | 4.7% | 18.4% |
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| Marriage & Family | | | |
| | Cedarville, OH | Springfield, OH | United States |
| Married Population | 16.2% | 37.0% | 49.8% |
| Currently Married | 15.8% | 34.4% | 48.0% |
| Married but Separated | 0.4% | 2.6% | 1.8% |
| Single Population | 83.8% | 63.0% | 50.2% |
| Never Married | 78.5% | 39.9% | 33.8% |
| Divorced | 4.4% | 14.5% | 10.8% |
| Widowed | 0.9% | 8.6% | 5.6% |
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| Household Size | 2.64 | 2.35 | 2.60 |
| Households | 603 | 24,001 | 124,010,992 |
| Family Households | 397 | 13,606 | 80,755,759 |
| Married couple, w/children | 24.2% | 22.1% | 30.5% |
| Married couple, no children | 46.6% | 33.3% | 42.9% |
| Non Family Households | 206 | 10,395 | 43,255,233 |
| Single householder, w/children | 23.2% | 31.7% | 15.8% |
| Single householder, no children | 6.0% | 12.8% | 10.8% |