| | Macon, MS | Greensburg, LA | United States |
| Population | 2,590 | 1,101 | 329,725,481 |
| Female Population | 52.9% | 46.6% | 50.5% |
| Male Population | 47.1% | 53.4% | 49.5% |
| Median Age | 29.6 | 39.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,734 | 716 | 309,327,143 |
| Population - 2000 | 2,461 | 631 | 285,036,114 |
| Population - 1990 | 2,256 | 583 | 251,960,433 |
| Pop. 2000 to Now | -3.1% | 2.1% | 15.6% |
| Pop. 1990 to Now | 5.7% | 10.5% | 30.8% |
| space4 | | | |
| Population Density | 676.4 | 437.1 | 93.4 |
| Land Area | 3.8 | 2.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Macon, MS | Greensburg, LA | United States |
| Age 0 to 4 | 7.4% | 13.2% | 5.9% |
| Age 5 to 9 | 11.1% | 5.2% | 6.1% |
| Age 10 to 14 | 12.8% | 5.5% | 6.6% |
| Age 15 to 17 | 4.1% | 1.4% | 3.9% |
| Age 18 to 20 | 4.4% | 1.4% | 4.0% |
| Age 21 to 24 | 3.5% | 7.1% | 5.2% |
| Age 25 to 34 | 15.3% | 10.3% | 13.8% |
| Age 35 to 44 | 8.1% | 13.3% | 12.9% |
| Age 45 to 54 | 9.8% | 13.4% | 12.6% |
| Age 55 to 59 | 6.1% | 12.8% | 6.7% |
| Age 60 to 64 | 3.9% | 5.3% | 6.3% |
| Age 65 to 74 | 8.8% | 6.6% | 9.6% |
| Age 75 to 84 | 2.1% | 3.6% | 4.5% |
| Age 85 and over | 2.6% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Macon, MS | Greensburg, LA | United States |
| White | 12.9% | 34.1% | 59.4% |
| Black | 86.4% | 62.5% | 12.2% |
| Asian | 0.0% | 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 | 0.0% | 1.0% | 3.2% |
| Hispanic | 0.7% | 2.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Macon, MS | Greensburg, LA | United States |
| Married Population | 38.6% | 39.7% | 49.8% |
| Currently Married | 32.6% | 34.7% | 48.0% |
| Married but Separated | 6.0% | 5.0% | 1.8% |
| Single Population | 61.4% | 60.3% | 50.2% |
| Never Married | 43.2% | 35.4% | 33.8% |
| Divorced | 11.1% | 11.2% | 10.8% |
| Widowed | 7.1% | 13.6% | 5.6% |
| space5 | | | |
| Household Size | 3.15 | 2.42 | 2.60 |
| Households | 792 | 392 | 124,010,992 |
| Family Households | 576 | 166 | 80,755,759 |
| Married couple, w/children | 9.5% | 15.7% | 30.5% |
| Married couple, no children | 27.6% | 30.1% | 42.9% |
| Non Family Households | 216 | 226 | 43,255,233 |
| Single householder, w/children | 57.1% | 34.9% | 15.8% |
| Single householder, no children | 5.7% | 19.3% | 10.8% |