County · code 05091
Miller CountyArkansas
Miller County is a county in Arkansas, formed in 1874 from Lafayette County, with its seat in Texarkana.
- Founded1874
- County seatTexarkana
- Land area624 sq mi + 14 sq mi water
- Population42,600 2020 Census
- Parcels mapped27,190 checked 14 October 2026
Where it is
Miller on the map of Arkansas
Arkansas has 75 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1874 from Lafayette County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Miller County was created from Lafayette County on December 22, 1874. In 1915, the boundary between Miller County and Little River County was adjusted in range 27 west to accommodate shifts in the Red River.
- 1874Miller County created Miller created from Lafayette. · Ark. Acts 1874, 20th sess., pp. 65-72
- 1915Changed Boundary between Miller and Little River was adjusted in range 27 west to accommodate shifts in the Red River. · Ark. Acts 1915, 40th sess., no. 302/pp. 1215-1216
Land and parcels
What the maps cover in Miller
Who publishes each layer, how good it is, and when we last checked.
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Parcels Good enough
Lot lines and tax-map numbers for 27,190 parcels from Arkansas GIS Office. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 14 October 2026 -
Address points Official
One point per address, 24,094 in all from Arkansas GIS Office (state GIS office).
checked 13 October 2026 -
Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Miller by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Miller County's official site
We have found the county's site but not its offices yet; start there.
County government
- County government
The official website of Miller County.
See your own lot on these maps
Open Miller County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Miller County
- When was Miller County founded?
- Miller County was founded in 1874, formed from Lafayette County.
- What is the county seat of Miller County?
- The county seat of Miller County is Texarkana.
- Is there an online parcel map for Miller County?
- Yes. Arkansas GIS Office publishes a parcel map of 27,190 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Miller County's boundary or name changed?
- Miller County was created in 1874 from Lafayette County. Since then the Atlas of Historical County Boundaries records 1 later change, most of them small boundary adjustments, chiefly involving Little River County.
- Is my lot in a flood zone?
- We do not have flood maps for Miller County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby