Miller County, Arkansas
Located in Arkansas, Miller County has a population of 42,360 residents and a median age of 39.3 years, making it the #1,161 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 24.6%. The median home value is $153,900, and the median household income is $48,836, which is 35% below the national median.
Demographics
Miller County has a population of 42,360, making it the #1,161 most populous county in the US. The median age is 39.3 years, which is 1.0% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Miller County is $48,836, ranking #2,838 out of 3,222 counties — 35.0% below the national median. The poverty rate is 24.6% and unemployment stands at 7.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Miller County is $153,900 (-45.4% vs national). Renters pay a median of $892/mo and the homeownership rate is 64.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Miller County, 15.0% of adults age 25+ hold a bachelor's degree or higher, which is 55.6% below the national average, ranking #2,819 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Miller County is 71.4 years. 26.9% of adults report poor or fair health and 8.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
23.9% of adults in Miller County smoke , 43.7% are obese , and 17.0% report excessive drinking. The drug overdose death rate is 19.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Miller County is 8.9 per 100,000 and the suicide rate is 17.7 per 100,000. Motor vehicle deaths occur at a rate of 24.1 per 100,000.
Homicide Rate Trend
Families & Children
27.3% of children in Miller County live in poverty and the infant mortality rate is 10.1 per 1,000 live births. The teen birth rate is 38.2 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Miller County is 50.5%. The mean commute time is 22.2 min, which is 19.6% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Miller County voted Republican with a margin of 51.1%. The vote was 23.8% Dem / 74.9% Rep. Compared to 2020, the margin shifted 4.7 toward Republicans .
Vote Share Over Time
About Miller County, Arkansas
Miller County, Arkansas has a total population of 42,360, making it the 1,161st most populous county in the United States. The median age in Miller County is 39.3 years, which is 1.0% above the national median of 38.9 years.
The median household income in Miller County is $48,836, which ranks #2,838 of 3,222 counties nationwide. This is 35.0% below the national median of $75,149. The poverty rate is 24.6%, higher than the national rate of 12.6%. The unemployment rate stands at 7.1%.
The median home value in Miller County is $153,900, 45.4% below the national median. Renters in Miller County pay a median gross rent of $892 per month. The homeownership rate is 64.4%, compared to the national rate of 64.4%.
In Miller County, 15.0% of residents aged 25 and older hold a bachelor's degree or higher, 55.6% below the national average of 33.7%. Health insurance coverage stands at 88.5% of the population. The average commute time for workers is 22.2 min.
Miller County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 65.8% of the population, followed by Black (non-Hispanic) (25.2%) and Hispanic or Latino (4.1%).
All data for Miller County, Arkansas comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.