Maries County's 2026 population is estimated at 8,636, reflecting a 0.76% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Maries County is the 95th largest county in Missouri. The 2010 population was 9,159 and has grown -5.71% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.9 years
Female: 46.4 years
Male: 44.4 years
There are 6,713 adults, (1,862 of whom are seniors) in Maries County.
Female: 4,198 (49.7%)
Male: 4,252 (50.3%)
The racial composition of Maries County includes 92.66% White, and smaller percentages for Native American, other race, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,830 | 92.66% |
| Two or more races | 480 | 5.68% |
| Native American | 103 | 1.22% |
| Other race | 19 | 0.22% |
| Black or African American | 18 | 0.21% |
Maries County 's average per capita income is $40,505. Household income levels show a median of $59,455. The poverty rate stands at 13.51%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $86,838 | - |
| Families | $81,287 | $95,036 |
| Households | $59,455 | $75,171 |
| Non Families | $29,013 | $36,890 |
Average Income
Median Household Income
Poverty Rate
