Marion County's estimated 2026 population is 29,847 with a growth rate of 0.14% in the past year according to the most recent United States census data. Marion County is the 52nd largest county in Tennessee. The 2010 population was 28,227 and has seen a growth of 5.74% since that time.
Data after 2023 is projected based on recent change
Overall: 43.8 years
Female: 46.1 years
Male: 42.6 years
There are 23,319 adults, (6,119 of whom are seniors) in Marion County.
Female: 14,647 (50.1%)
Male: 14,603 (49.9%)
The racial composition of Marion County includes 90.76% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 26,546 | 90.76% |
| Two or more races | 1,398 | 4.78% |
| Black or African American | 871 | 2.98% |
| Other race | 318 | 1.09% |
| Asian | 72 | 0.25% |
| Native American | 45 | 0.15% |
Marion County's average per capita income is $44,492. Household income levels show a median of $61,824. The poverty rate stands at 16.31%.
Name | Median | Mean |
|---|---|---|
| Married Families | $91,464 | - |
| Families | $74,534 | $91,212 |
| Households | $61,824 | $78,755 |
| Non Families | $32,231 | $43,152 |
Average Income
Median Household Income
Poverty Rate