| | Irondale, AL | Lanett, AL | United States |
| Population | 13,457 | 6,821 | 329,725,481 |
| Female Population | 49.1% | 56.3% | 50.5% |
| Male Population | 50.9% | 43.7% | 49.5% |
| Median Age | 41.3 | 45.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 12,655 | 6,470 | 309,327,143 |
| Population - 2000 | 9,813 | 7,897 | 285,036,114 |
| Population - 1990 | 9,454 | 8,985 | 251,960,433 |
| Pop. 2000 to Now | 34.8% | -23.3% | 15.6% |
| Pop. 1990 to Now | 39.9% | -32.6% | 30.8% |
| space4 | | | |
| Population Density | 777.2 | 1,092.8 | 93.4 |
| Land Area | 17.3 | 6.2 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Irondale, AL | Lanett, AL | United States |
| Age 0 to 4 | 6.9% | 5.6% | 5.9% |
| Age 5 to 9 | 5.0% | 5.2% | 6.1% |
| Age 10 to 14 | 4.4% | 7.9% | 6.6% |
| Age 15 to 17 | 2.9% | 2.6% | 3.9% |
| Age 18 to 20 | 2.1% | 3.5% | 4.0% |
| Age 21 to 24 | 4.4% | 4.0% | 5.2% |
| Age 25 to 34 | 15.5% | 11.1% | 13.8% |
| Age 35 to 44 | 12.8% | 9.9% | 12.9% |
| Age 45 to 54 | 13.4% | 13.2% | 12.6% |
| Age 55 to 59 | 8.1% | 9.6% | 6.7% |
| Age 60 to 64 | 8.0% | 6.4% | 6.3% |
| Age 65 to 74 | 11.1% | 14.6% | 9.6% |
| Age 75 to 84 | 4.2% | 5.1% | 4.5% |
| Age 85 and over | 1.0% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Irondale, AL | Lanett, AL | United States |
| White | 55.6% | 23.2% | 59.4% |
| Black | 35.9% | 68.1% | 12.2% |
| Asian | 0.5% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 0.7% | 2.1% | 3.2% |
| Hispanic | 6.9% | 6.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Irondale, AL | Lanett, AL | United States |
| Married Population | 42.6% | 34.4% | 49.8% |
| Currently Married | 40.5% | 30.7% | 48.0% |
| Married but Separated | 2.1% | 3.7% | 1.8% |
| Single Population | 57.4% | 65.6% | 50.2% |
| Never Married | 33.4% | 42.0% | 33.8% |
| Divorced | 16.7% | 13.2% | 10.8% |
| Widowed | 7.3% | 10.4% | 5.6% |
| space5 | | | |
| Household Size | 2.21 | 2.70 | 2.60 |
| Households | 6,057 | 2,480 | 124,010,992 |
| Family Households | 3,261 | 1,583 | 80,755,759 |
| Married couple, w/children | 24.8% | 12.3% | 30.5% |
| Married couple, no children | 43.5% | 34.9% | 42.9% |
| Non Family Households | 2,796 | 897 | 43,255,233 |
| Single householder, w/children | 13.3% | 28.9% | 15.8% |
| Single householder, no children | 18.3% | 23.9% | 10.8% |