| | Cochran, GA | Buena Vista, GA | United States |
| Population | 5,035 | 2,160 | 329,725,481 |
| Female Population | 52.6% | 53.3% | 50.5% |
| Male Population | 47.4% | 46.7% | 49.5% |
| Median Age | 30 | 36.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 5,076 | 2,185 | 309,327,143 |
| Population - 2000 | 4,455 | 1,664 | 285,036,114 |
| Population - 1990 | 4,390 | 1,472 | 251,960,433 |
| Pop. 2000 to Now | 12.6% | 24.1% | 15.6% |
| Pop. 1990 to Now | 14.3% | 40.3% | 30.8% |
| space4 | | | |
| Population Density | 1,070.4 | 671.0 | 93.4 |
| Land Area | 4.7 | 3.2 | 3,531,905.4 |
| Water Area | 0.2 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Cochran, GA | Buena Vista, GA | United States |
| Age 0 to 4 | 5.3% | 6.0% | 5.9% |
| Age 5 to 9 | 7.7% | 6.6% | 6.1% |
| Age 10 to 14 | 5.2% | 7.5% | 6.6% |
| Age 15 to 17 | 3.9% | 9.9% | 3.9% |
| Age 18 to 20 | 17.5% | 5.6% | 4.0% |
| Age 21 to 24 | 5.6% | 5.7% | 5.2% |
| Age 25 to 34 | 9.2% | 8.0% | 13.8% |
| Age 35 to 44 | 13.1% | 14.0% | 12.9% |
| Age 45 to 54 | 10.5% | 13.4% | 12.6% |
| Age 55 to 59 | 2.6% | 3.3% | 6.7% |
| Age 60 to 64 | 6.1% | 6.6% | 6.3% |
| Age 65 to 74 | 7.8% | 9.5% | 9.6% |
| Age 75 to 84 | 4.1% | 2.8% | 4.5% |
| Age 85 and over | 1.4% | 1.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Cochran, GA | Buena Vista, GA | United States |
| White | 44.7% | 17.7% | 59.4% |
| Black | 50.2% | 67.2% | 12.2% |
| Asian | 0.9% | 0.0% | 5.6% |
| Native American | 0.0% | 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% | 1.9% | 3.2% |
| Hispanic | 2.6% | 13.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Cochran, GA | Buena Vista, GA | United States |
| Married Population | 29.9% | 30.2% | 49.8% |
| Currently Married | 29.1% | 27.0% | 48.0% |
| Married but Separated | 0.9% | 3.2% | 1.8% |
| Single Population | 70.1% | 69.8% | 50.2% |
| Never Married | 56.2% | 54.9% | 33.8% |
| Divorced | 8.9% | 6.6% | 10.8% |
| Widowed | 5.0% | 8.3% | 5.6% |
| space5 | | | |
| Household Size | 2.64 | 2.72 | 2.60 |
| Households | 1,538 | 764 | 124,010,992 |
| Family Households | 1,060 | 459 | 80,755,759 |
| Married couple, w/children | 30.8% | 34.9% | 30.5% |
| Married couple, no children | 20.8% | 10.9% | 42.9% |
| Non Family Households | 478 | 305 | 43,255,233 |
| Single householder, w/children | 35.3% | 31.2% | 15.8% |
| Single householder, no children | 13.1% | 23.1% | 10.8% |