| | Waterville, OH | Elon, NC | United States |
| Population | 5,943 | 11,059 | 329,725,481 |
| Female Population | 49.1% | 56.8% | 50.5% |
| Male Population | 50.9% | 43.2% | 49.5% |
| Median Age | 45.4 | 21.9 | 38.4 |
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| Population - 2010 | 5,508 | 9,384 | 309,327,143 |
| Population - 2000 | 4,828 | 6,910 | 285,036,114 |
| Population - 1990 | 4,517 | 5,436 | 251,960,433 |
| Pop. 2000 to Now | 15.9% | 76.4% | 15.6% |
| Pop. 1990 to Now | 23.9% | 124.2% | 30.8% |
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| Population Density | 1,167.6 | 2,782.8 | 93.4 |
| Land Area | 5.1 | 4.0 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Waterville, OH | Elon, NC | United States |
| Age 0 to 4 | 3.9% | 3.7% | 5.9% |
| Age 5 to 9 | 5.7% | 1.2% | 6.1% |
| Age 10 to 14 | 7.6% | 3.7% | 6.6% |
| Age 15 to 17 | 7.0% | 4.3% | 3.9% |
| Age 18 to 20 | 0.7% | 29.5% | 4.0% |
| Age 21 to 24 | 2.3% | 15.8% | 5.2% |
| Age 25 to 34 | 8.3% | 3.2% | 13.8% |
| Age 35 to 44 | 13.8% | 8.9% | 12.9% |
| Age 45 to 54 | 11.8% | 7.0% | 12.6% |
| Age 55 to 59 | 5.9% | 4.8% | 6.7% |
| Age 60 to 64 | 11.4% | 3.4% | 6.3% |
| Age 65 to 74 | 13.1% | 5.6% | 9.6% |
| Age 75 to 84 | 3.5% | 5.0% | 4.5% |
| Age 85 and over | 5.1% | 3.9% | 1.9% |
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| Race | | | |
| | Waterville, OH | Elon, NC | United States |
| White | 88.7% | 81.7% | 59.4% |
| Black | 0.4% | 7.0% | 12.2% |
| Asian | 0.2% | 4.2% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.1% | 2.0% | 3.2% |
| Hispanic | 6.4% | 5.1% | 18.4% |
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| Marriage & Family | | | |
| | Waterville, OH | Elon, NC | United States |
| Married Population | 53.5% | 32.4% | 49.8% |
| Currently Married | 52.9% | 31.9% | 48.0% |
| Married but Separated | 0.6% | 0.5% | 1.8% |
| Single Population | 46.5% | 67.6% | 50.2% |
| Never Married | 25.9% | 59.1% | 33.8% |
| Divorced | 10.5% | 2.4% | 10.8% |
| Widowed | 10.1% | 6.1% | 5.6% |
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| Household Size | 2.35 | 2.61 | 2.60 |
| Households | 2,482 | 3,027 | 124,010,992 |
| Family Households | 1,512 | 1,781 | 80,755,759 |
| Married couple, w/children | 32.8% | 42.8% | 30.5% |
| Married couple, no children | 45.0% | 47.6% | 42.9% |
| Non Family Households | 970 | 1,246 | 43,255,233 |
| Single householder, w/children | 10.4% | 3.5% | 15.8% |
| Single householder, no children | 11.8% | 6.1% | 10.8% |