| | Yellow Springs, OH | Ashland, OR | United States |
| Population | 3,750 | 21,348 | 329,725,481 |
| Female Population | 54.1% | 51.6% | 50.5% |
| Male Population | 45.9% | 48.4% | 49.5% |
| Median Age | 53.8 | 48 | 38.4 |
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| Population - 2010 | 3,511 | 20,092 | 309,327,143 |
| Population - 2000 | 3,761 | 19,522 | 285,036,114 |
| Population - 1990 | 3,973 | 16,234 | 251,960,433 |
| Pop. 2000 to Now | 0.0% | 8.6% | 15.6% |
| Pop. 1990 to Now | -5.3% | 30.6% | 30.8% |
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| Population Density | 1,388.9 | 3,216.5 | 93.4 |
| Land Area | 2.7 | 6.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Yellow Springs, OH | Ashland, OR | United States |
| Age 0 to 4 | 3.2% | 3.2% | 5.9% |
| Age 5 to 9 | 5.3% | 2.9% | 6.1% |
| Age 10 to 14 | 4.9% | 3.9% | 6.6% |
| Age 15 to 17 | 3.5% | 2.9% | 3.9% |
| Age 18 to 20 | 2.9% | 5.8% | 4.0% |
| Age 21 to 24 | 3.0% | 7.0% | 5.2% |
| Age 25 to 34 | 7.8% | 9.5% | 13.8% |
| Age 35 to 44 | 9.0% | 10.8% | 12.9% |
| Age 45 to 54 | 12.8% | 11.8% | 12.6% |
| Age 55 to 59 | 7.4% | 6.9% | 6.7% |
| Age 60 to 64 | 7.9% | 8.3% | 6.3% |
| Age 65 to 74 | 17.3% | 18.2% | 9.6% |
| Age 75 to 84 | 10.1% | 5.7% | 4.5% |
| Age 85 and over | 4.8% | 3.0% | 1.9% |
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| Race | | | |
| | Yellow Springs, OH | Ashland, OR | United States |
| White | 84.5% | 82.8% | 59.4% |
| Black | 8.2% | 0.5% | 12.2% |
| Asian | 1.0% | 2.0% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.7% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 3.0% | 3.6% | 3.2% |
| Hispanic | 3.4% | 9.9% | 18.4% |
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| Marriage & Family | | | |
| | Yellow Springs, OH | Ashland, OR | United States |
| Married Population | 47.9% | 44.0% | 49.8% |
| Currently Married | 45.0% | 43.5% | 48.0% |
| Married but Separated | 2.9% | 0.5% | 1.8% |
| Single Population | 52.1% | 56.0% | 50.2% |
| Never Married | 24.7% | 34.3% | 33.8% |
| Divorced | 18.2% | 16.7% | 10.8% |
| Widowed | 9.2% | 5.0% | 5.6% |
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| Household Size | 1.92 | 2.05 | 2.60 |
| Households | 1,885 | 10,052 | 124,010,992 |
| Family Households | 894 | 4,965 | 80,755,759 |
| Married couple, w/children | 30.3% | 20.6% | 30.5% |
| Married couple, no children | 48.7% | 57.7% | 42.9% |
| Non Family Households | 991 | 5,087 | 43,255,233 |
| Single householder, w/children | 13.2% | 11.7% | 15.8% |
| Single householder, no children | 7.8% | 10.0% | 10.8% |