| | Dadeville, AL | Berry, AL | United States |
| Population | 3,051 | 994 | 329,725,481 |
| Female Population | 44.2% | 50.8% | 50.5% |
| Male Population | 55.8% | 49.2% | 49.5% |
| Median Age | 40.4 | 44 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,206 | 1,145 | 309,327,143 |
| Population - 2000 | 3,212 | 1,238 | 285,036,114 |
| Population - 1990 | 3,276 | 1,218 | 251,960,433 |
| Pop. 2000 to Now | -6.4% | -12.3% | 15.6% |
| Pop. 1990 to Now | -8.2% | -10.8% | 30.8% |
| space4 | | | |
| Population Density | 191.4 | 92.3 | 93.4 |
| Land Area | 15.9 | 10.8 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Dadeville, AL | Berry, AL | United States |
| Age 0 to 4 | 7.0% | 4.6% | 5.9% |
| Age 5 to 9 | 10.6% | 7.3% | 6.1% |
| Age 10 to 14 | 4.5% | 5.4% | 6.6% |
| Age 15 to 17 | 0.9% | 2.2% | 3.9% |
| Age 18 to 20 | 5.4% | 5.9% | 4.0% |
| Age 21 to 24 | 2.4% | 7.0% | 5.2% |
| Age 25 to 34 | 11.4% | 10.6% | 13.8% |
| Age 35 to 44 | 17.4% | 8.7% | 12.9% |
| Age 45 to 54 | 10.1% | 21.6% | 12.6% |
| Age 55 to 59 | 9.0% | 1.6% | 6.7% |
| Age 60 to 64 | 5.7% | 5.3% | 6.3% |
| Age 65 to 74 | 7.5% | 11.9% | 9.6% |
| Age 75 to 84 | 4.6% | 7.1% | 4.5% |
| Age 85 and over | 3.4% | 0.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Dadeville, AL | Berry, AL | United States |
| White | 47.7% | 87.3% | 59.4% |
| Black | 51.4% | 3.9% | 12.2% |
| Asian | 0.0% | 0.0% | 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 | 0.5% | 4.6% | 3.2% |
| Hispanic | 0.2% | 4.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Dadeville, AL | Berry, AL | United States |
| Married Population | 42.0% | 51.3% | 49.8% |
| Currently Married | 39.9% | 49.1% | 48.0% |
| Married but Separated | 2.1% | 2.2% | 1.8% |
| Single Population | 58.0% | 48.7% | 50.2% |
| Never Married | 27.7% | 30.9% | 33.8% |
| Divorced | 17.1% | 12.2% | 10.8% |
| Widowed | 13.2% | 5.6% | 5.6% |
| space5 | | | |
| Household Size | 2.54 | 2.76 | 2.60 |
| Households | 1,104 | 360 | 124,010,992 |
| Family Households | 639 | 227 | 80,755,759 |
| Married couple, w/children | 22.4% | 23.3% | 30.5% |
| Married couple, no children | 47.4% | 56.8% | 42.9% |
| Non Family Households | 465 | 133 | 43,255,233 |
| Single householder, w/children | 29.0% | 14.1% | 15.8% |
| Single householder, no children | 1.3% | 5.7% | 10.8% |