Marshall County's 2026 population is estimated at 34,762, reflecting a 0.56% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Marshall County is the 21st largest county in Mississippi. The 2010 population was 37,071 and has grown -6.23% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.9 years
Female: 43.7 years
Male: 40.7 years
There are 26,923 adults, (6,469 of whom are seniors) in Marshall County.
Female: 16,957 (49.9%)
Male: 17,022 (50.1%)
The racial composition of Marshall County includes 47.4% White, 42.88% Black or African American, 4.37% other race, and smaller percentages for Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 16,105 | 47.4% |
| Black or African American | 14,570 | 42.88% |
| Two or more races | 1,570 | 4.62% |
| Other race | 1,484 | 4.37% |
| Native American | 160 | 0.47% |
| Asian | 51 | 0.15% |
| Native Hawaiian or Pacific Islander | 39 | 0.11% |
Marshall County 's average per capita income is $42,500. Household income levels show a median of $53,458. The poverty rate stands at 23.04%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $86,825 | - |
| Families | $65,710 | $85,157 |
| Households | $53,458 | $73,596 |
| Non Families | $29,586 | $40,603 |
Average Income
Median Household Income
Poverty Rate