Marion County's 2026 population is estimated at 9,726, reflecting a 0.11% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Marion County is the 165th largest county in Texas. The 2010 population was 10,491 and has grown -7.29% since 2010.
Data after 2023 is projected based on recent change
Overall: 51.3 years
Female: 53.1 years
Male: 50.4 years
There are 8,088 adults, (2,618 of whom are seniors) in Marion County.
Female: 4,888 (50.2%)
Male: 4,849 (49.8%)
The racial composition of Marion County includes 70.39% White, 21.93% Black or African American, and smaller percentages for other race, Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 6,854 | 70.39% |
| Black or African American | 2,135 | 21.93% |
| Two or more races | 555 | 5.7% |
| Other race | 137 | 1.41% |
| Native American | 40 | 0.41% |
| Asian | 16 | 0.16% |
Marion County 's average per capita income is $35,372. Household income levels show a median of $49,672. The poverty rate stands at 18.32%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $84,023 | - |
| Families | $75,757 | $89,456 |
| Households | $49,672 | $68,974 |
| Non Families | $27,083 | $40,437 |
Average Income
Median Household Income
Poverty Rate