County · code 05007
Benton CountyArkansas
Benton County is in northwestern Arkansas with its seat in Bentonville. The county was formed in 1836 and named after Thomas Hart Benton.
- Founded1836
- County seatBentonville
- Named forThomas Hart Benton
- Land area848 sq mi + 37 sq mi water
- Population284,333 2020 Census
- Parcels mapped175,795 checked 14 October 2026
Where it is
Benton 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 1836 from Washington County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Benton County was created from Washington County on September 30, 1836. The county lost the Starkey Peninsula to Carroll County in 1983, then gained territory from Carroll along the Beaver Lake take line in 1997.
- 1836Benton County created Benton created from Washington. · Ark. Acts 1836, 1st sess., pp. 40-42
- 1983Lost territory Benton lost the Starkey Peninsula to Carroll. · Ark. Acts 1983, 74th sess., no. 806/pp. 1933-1934
- 1997Gained territory Benton gained from Carroll along the Beaver Lake take line. · Ark. Acts 1997, 81st sess., no. 1288/pp. 7304-7305
Land and parcels
What the maps cover in Benton
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 175,795 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, 169,563 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
Benton 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
Benton 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 Benton County.
See your own lot on these maps
Open Benton 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 Benton County
- When was Benton County founded?
- Benton County was founded in 1836, formed from Washington County, and named after Thomas Hart Benton.
- What is the county seat of Benton County?
- The county seat of Benton County is Bentonville.
- Is there an online parcel map for Benton County?
- Yes. Arkansas GIS Office publishes a parcel map of 175,795 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Benton County's boundary or name changed?
- Benton County was created in 1836 from Washington County. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Carroll County.
- Is my lot in a flood zone?
- We do not have flood maps for Benton County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby