Miller County, Arkansas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 16th-largest in Arkansas
The population of Miller County, Arkansas is 42,588 as of the 2023 American Community Survey, making it the 16th-largest county in Arkansas. The median household income is $49,983, the median home value is $148,200, and the median age is 39.0.
The population of Miller County has declined 3.7% since 2010 (43,568 → 41,958), a -0.27% annualized rate.
42,588
Population
-0.27%
Annual growth
68
People / sq mi
$49,983
Median Income
$148,200
Median Home Value
Miller County covers 624 sq mi of land at 68.2 people per square mile.
About Miller County, AR
Miller County is a county in Arkansas with a population of 42,588. It ranks #16 among counties in Arkansas by population. The median age is 39.0, in line with the national median. The population is 49.9% male and 50.1% female.
The median household income in Miller County is $49,983, below the US median of $74,580. 15.8% of residents live below the federal poverty level. Home values sit at a median of $148,200, with monthly rent averaging $882. The homeownership rate of 65.3% is close to the national rate of 64.8%.
Educational attainment in Miller County reflects 16.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 3.7% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 20.7 minutes each way.
Miller County Population History (2010-2024)
The county of Miller County had a population of 43,568 in 2010 and 41,958 in 2024, a -3.7% growth over 14 years. The peak was 43,858 in 2015. Average annual growth rate: -0.27%.
41,958
Population (2024)
43,568
Population (2010)
43,858
Peak (2015)
-0.27%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 43,568 |
| 2011 | 43,777 |
| 2012 | 43,686 |
| 2013 | 43,439 |
| 2014 | 43,509 |
| 2015 | 43,858 |
| 2016 | 43,776 |
| 2017 | 43,819 |
| 2018 | 43,431 |
| 2019 | 43,370 |
| 2020 | 42,586 |
| 2021 | 42,468 |
| 2022 | 42,484 |
| 2023 | 42,302 |
| 2024 | 41,958 |
Race & Ethnicity
| White | 67.5% |
| Black or African American | 25.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.7% |
| Two or More Races | 0.0% |
Age & Sex
39.0
Median Age
50.1%
Female
49.9%
Male
16.9%
Age 65+
Age Distribution
Children (under 15): 19.6% · Seniors (65+): 16.9%
Income & Poverty
| Median household income | $49,983$-8,790 vs state |
| Mean household income | $68,756 |
| Per-capita income | $28,025 |
| Poverty rate | 15.8%+4.3% vs state |
| Unemployment rate | 3.8% |
| Employment-to-population | 48.8% |
Top Industries by Employment
The largest employment sector in Miller County is professional & business services, accounting for 23.7% of workers.
How residents commute
0.2%
Drive alone
1.6%
Carpool
82.5%
Public transit
3.7%
Work from home
20.7 min
Avg commute
Housing
$148,200$-27,100 vs state
Median home value
$882
Median rent
65.3%
Homeownership rate
19,810
Total housing units
82.3%
Occupied
17.7%
Vacant
34.7%
Renter-occupied
Social & access
88.7%
With health insurance
92.5%
With broadband internet
68.0%
Foreign-born
7.4%
Veterans (18+)
19.9%
With a disability
97.9%
Speak language other than English at home
Education
86.9%
High School+
16.0%
Bachelor's+
Largest cities in Arkansas
Other counties in Arkansas
Part of Arkansas
Metro areas in Arkansas
County rankings
Frequently Asked Questions
Miller County, Arkansas has a population of 42,588 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 16th-largest county in Arkansas. Population density is 68 people per square mile.
The population of Miller County has declined 3.7% since 2010 (43,568 → 41,958), a -0.27% annualized rate.
The median household income in Miller County, Arkansas is $49,983, with mean (average) household income of $68,756 and per-capita income of $28,025. 15.8% of residents live below the federal poverty level.
In Miller County, the largest racial and ethnic groups are White (67.5%), Black or African American (25.7%), Hispanic or Latino (1.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Miller County, Arkansas is 39.0 years. Residents are 50.1% female and 49.9% male.
The median home value in Miller County is $148,200 and median monthly rent is $882. 65.3% of occupied housing units are owner-occupied. The county has 19,810 total housing units, 17.7% of which are vacant.
The largest employment sector in Miller County, Arkansas is professional, scientific, and management services, employing 23.7% of workers. The unemployment rate is 3.8%.
Little Rock is among the largest cities associated with Miller County, Arkansas, with a population of 202,739.
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Statewide data for Arkansas
Population, race, income, age, and trends across Arkansas
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.