| | Heber Springs, AR | Dayton, TN | United States |
| Population | 7,015 | 7,112 | 329,725,481 |
| Female Population | 47.0% | 52.8% | 50.5% |
| Male Population | 53.0% | 47.2% | 49.5% |
| Median Age | 39.1 | 33.1 | 38.4 |
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| Population - 2010 | 7,251 | 7,277 | 309,327,143 |
| Population - 2000 | 6,432 | 6,180 | 285,036,114 |
| Population - 1990 | 5,628 | 5,671 | 251,960,433 |
| Pop. 2000 to Now | 7.4% | 18.6% | 15.6% |
| Pop. 1990 to Now | 22.7% | 29.3% | 30.8% |
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| Population Density | 817.4 | 912.3 | 93.4 |
| Land Area | 8.6 | 7.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Heber Springs, AR | Dayton, TN | United States |
| Age 0 to 4 | 7.4% | 8.2% | 5.9% |
| Age 5 to 9 | 6.1% | 5.8% | 6.1% |
| Age 10 to 14 | 2.8% | 6.3% | 6.6% |
| Age 15 to 17 | 3.5% | 3.1% | 3.9% |
| Age 18 to 20 | 3.4% | 6.4% | 4.0% |
| Age 21 to 24 | 4.3% | 9.2% | 5.2% |
| Age 25 to 34 | 16.5% | 15.1% | 13.8% |
| Age 35 to 44 | 10.4% | 12.0% | 12.9% |
| Age 45 to 54 | 9.7% | 8.9% | 12.6% |
| Age 55 to 59 | 6.5% | 4.2% | 6.7% |
| Age 60 to 64 | 6.3% | 5.1% | 6.3% |
| Age 65 to 74 | 7.9% | 10.4% | 9.6% |
| Age 75 to 84 | 10.8% | 3.9% | 4.5% |
| Age 85 and over | 4.4% | 1.5% | 1.9% |
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| Race | | | |
| | Heber Springs, AR | Dayton, TN | United States |
| White | 94.9% | 79.6% | 59.4% |
| Black | 0.4% | 5.2% | 12.2% |
| Asian | 0.0% | 2.4% | 5.6% |
| Native American | 0.5% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.5% | 4.5% | 3.2% |
| Hispanic | 2.7% | 8.4% | 18.4% |
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| Marriage & Family | | | |
| | Heber Springs, AR | Dayton, TN | United States |
| Married Population | 48.9% | 43.5% | 49.8% |
| Currently Married | 46.9% | 41.4% | 48.0% |
| Married but Separated | 2.0% | 2.1% | 1.8% |
| Single Population | 51.1% | 56.5% | 50.2% |
| Never Married | 21.7% | 33.0% | 33.8% |
| Divorced | 20.1% | 14.0% | 10.8% |
| Widowed | 9.2% | 9.5% | 5.6% |
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| Household Size | 2.28 | 2.64 | 2.60 |
| Households | 2,966 | 2,475 | 124,010,992 |
| Family Households | 1,731 | 1,666 | 80,755,759 |
| Married couple, w/children | 32.8% | 22.3% | 30.5% |
| Married couple, no children | 39.0% | 38.2% | 42.9% |
| Non Family Households | 1,235 | 809 | 43,255,233 |
| Single householder, w/children | 7.9% | 21.1% | 15.8% |
| Single householder, no children | 20.3% | 18.4% | 10.8% |