Miller County's 2026 population is estimated at 41,270, reflecting a -0.83% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Miller County is the 17th largest county in Arkansas. The 2010 population was 43,568 and has grown -5.27% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.3 years
Female: 41.3 years
Male: 37.2 years
There are 32,461 adults, (7,246 of whom are seniors) in Miller County.
Female: 21,268 (50.2%)
Male: 21,092 (49.8%)
The racial composition of Miller County includes 66.87% White, 25.51% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 28,325 | 66.87% |
| Black or African American | 10,806 | 25.51% |
| Two or more races | 1,814 | 4.28% |
| Other race | 820 | 1.94% |
| Asian | 337 | 0.8% |
| Native American | 258 | 0.61% |
Miller County 's average per capita income is $42,600. Household income levels show a median of $48,836. The poverty rate stands at 24.57%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $82,380 | - |
| Families | $60,472 | $82,958 |
| Households | $48,836 | $68,237 |
| Non Families | $31,866 | $42,678 |
Average Income
Median Household Income
Poverty Rate
