County · code 05143
Washington CountyArkansas
Washington County is a county in Arkansas with its seat in Fayetteville, formed on November 1, 1828.
- Founded1828
- County seatFayetteville
- Land area941 sq mi + 11 sq mi water
- Population245,871 2020 Census
- Parcels mapped114,791 checked 14 October 2026
Where it is
Washington 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 1828 from Loveley County and Izard County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Washington County was formed in 1828 from Loveley County and Izard County. Fayetteville is the county seat.
Deeds and plats from before 1828 for land now in Washington County may have been recorded in Loveley County and Izard County.
- 1828Washington County created Washington created by Arkansas Territory from Loveley (Arkansas Territory, extinct) and Non-County Area 3; included territory that was formerly part of Izard. Act passed 17 October 1828; took effect 1 November 1828.from Loveleyfrom Izard· Ark. Terr. Acts 1828, spec. sess., pp. 8-9
- 1831Gained territory Washington gained from Izard. · Ark. Terr. Acts 1831, 7th sess., pp. 25-26
- 1836Became part of Arkansas Washington became a county in the state of Arkansas. · U.S. Stat., vol. 5, chs. 100, 120 [1836]/pp. 50-52, 58-59; Swindler, 1: 342-344, 354-358; Van Zandt, 119
- 1836Lost territory Washington lost to creation of Benton and Madison. · Ark. Acts 1836, 1st sess., pp. 37-42
- 1838Exchanged territory Washington exchanged with Madison. · Ark. Acts 1838, 2d sess., p. 83
Show all 11 changes
- 1828Washington County created Washington created by Arkansas Territory from Loveley (Arkansas Territory, extinct) and Non-County Area 3; included territory that was formerly part of Izard. Act passed 17 October 1828; took effect 1 November 1828.from Loveleyfrom Izard· Ark. Terr. Acts 1828, spec. sess., pp. 8-9
- 1831Gained territory Washington gained from Izard. · Ark. Terr. Acts 1831, 7th sess., pp. 25-26
- 1833Gained territory Washington gained small area from Izard. Act passed 1 November 1833; took effect 25 December 1833. · Ark. Terr. Acts 1833, 8th sess., pp. 17-19
- 1836Became part of Arkansas Washington became a county in the state of Arkansas. · U.S. Stat., vol. 5, chs. 100, 120 [1836]/pp. 50-52, 58-59; Swindler, 1: 342-344, 354-358; Van Zandt, 119
- 1836Lost territory Washington lost to creation of Benton and Madison. · Ark. Acts 1836, 1st sess., pp. 37-42
- 1837Boundary clarified Washington boundaries were clarified to include settlers on the Middle Fork of White River.no change· Ark. Acts 1837, 1st sess., spec., p. 51
- 1838Lost territory Washington lost small area to creation of Franklin. Act passed 19 December 1837; took effect 15 February 1838. · Ark. Acts 1837, 1st sess., spec., pp. 53-56
- 1838Exchanged territory Washington exchanged with Madison. · Ark. Acts 1838, 2d sess., p. 83
- 1846Boundary clarified Boundary between Washington and Crawford was clarified to include settlements on Frog Bayou in Crawford (no change).with Crawfordno change· Ark. Acts 1846, 6th sess., p. 11
- 1881Gained territory Washington gained from Crawford. · Ark. Acts 1881, 23d sess., no. 31/p. 48
- 1887Lost territory Washington lost to Crawford. · Ark. Acts 1887, 26th sess., no. 50/pp. 62-63
Land and parcels
What the maps cover in Washington
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 114,791 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, 141,121 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
Washington 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
Washington 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 Washington County.
See your own lot on these maps
Open Washington 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 Washington County
- When was Washington County founded?
- Washington County was founded in 1828, formed from Loveley County and Izard County.
- What is the county seat of Washington County?
- The county seat of Washington County is Fayetteville.
- Is there an online parcel map for Washington County?
- Yes. Arkansas GIS Office publishes a parcel map of 114,791 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Washington County's boundary or name changed?
- Washington County was created in 1828 from Loveley County and Izard County. Since then the Atlas of Historical County Boundaries records 8 later changes, chiefly involving Crawford County, Izard County and Madison County.
- Is my lot in a flood zone?
- We do not have flood maps for Washington County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby