Marion County's 2026 population is estimated at 7,736, reflecting a 0.78% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Marion County is the 142nd largest county in Georgia. The 2010 population was 8,741 and has grown -11.5% since 2010.
Overall: 41.9 years
Female: 42.4 years
Male: 41.4 years
There are 5,990 adults, (1,637 of whom are seniors) in Marion County.
Female: 3,886 (51.8%)
Male: 3,623 (48.2%)
The racial composition of Marion County includes 58.29% White, 27.27% Black or African American, 6.01% other race, and smaller percentages for Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,377 | 58.29% |
| Black or African American | 2,048 | 27.27% |
| Other race | 451 | 6.01% |
| Two or more races | 369 | 4.91% |
| Asian | 175 | 2.33% |
| Native American | 89 | 1.19% |
Marion County 's average per capita income is $41,679. Household income levels show a median of $51,667. The poverty rate stands at 20.92%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $74,510 | - |
| Families | $63,833 | $82,033 |
| Households | $51,667 | $70,879 |
| Non Families | $27,994 | $33,983 |
Average Income
Median Household Income
Poverty Rate