Miller County, Arkansas

Miller County population, land area and income

Miller County had 41,958 residents in the Census Vintage 2024 estimate, on 624.0 square miles of land. It ranks 17th of 75 in Arkansas by population and 46th by land area. That works out to 67.2 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Arkansas has 18,130 residents, so Miller County is 2.3 times that size.

Its SAIPE 2023 median household income of $50,421 is in the bottom quarter among 3,143 counties with an estimate.

How Miller County's population changed since 2020

Miller County lost 628 residents between the July 2020 and July 2024 estimates, a drop of 1.5%. That ranks 45th of 75 in Arkansas for growth. The median Arkansas county changed by -0.2%, and the state as a whole by +2.4%.

Since the April 2020 estimates base, Miller County recorded 1,799 births and 2,538 deaths, a natural change of -739. Net international migration added -72 and net domestic migration, people moving to or from other US counties, came to +155. The largest single component was natural change, which removed 739 people.

Where Miller County is

The Census internal point of Miller County is at 33.305500, -93.901500. It sits in UTM zone 15N. The map shades Arkansas's 75 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Miller County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Miller County

One incorporated place of 1,000+ people has residents in Miller County, 28,897 people together, or 69% of the county. Each figure counts only the part of the town inside Miller County; towns marked "part" extend into another county. The largest is Texarkana with 28,897.

Counties bordering Miller County

The Census 2024 county adjacency file lists 7 neighbors for Miller County, including 4 across a state line. The most populous is Caddo Parish, LA, with 224,893 residents. Distances run between Census internal points in a straight line.

• LA

  Caddo Parish, LA

  224,893 people

  50 mi S

• LA

  Bossier Parish, LA

  131,102 people

  45 mi SSE

• TX

  Bowie County, TX

  91,992 people

  32 mi WNW

• TX

  Cass County, TX

  28,622 people

  31 mi WSW

• Hempstead County

  19,105 people

  33 mi NNE

• Little River County

  11,626 people

  33 mi NW

• Lafayette County

  6,015 people

  17 mi ESE

Distance to Little Rock and the nearest big city

Little Rock is 135.8 miles NE of Miller County's internal point in a straight line. The nearest place of 100,000 or more is Shreveport, LA (population 176,578), 58.3 miles away. The nearest place of 10,000 or more is Texarkana, AR (population 28,897), 10.3 miles away.

Miller County FIPS code

The FIPS code of Miller County is 05091: state code 05 for Arkansas plus county code 091. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $50,421.