County · code 53003
Asotin CountyWashington
Asotin County is a county in Washington, with its seat in Asotin. It was formed on October 27, 1883.
- Founded1883
- County seatAsotin
- Land area636 sq mi + 4.4 sq mi water
- Population22,285 2020 Census
- Parcels mapped13,629 checked 15 October 2026
Where it is
Asotin on the map of Washington
Washington has 39 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1883 from Garfield County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Asotin County was created on October 27, 1883, by Washington Territory from Garfield County. When Washington was admitted to the Union on November 11, 1889, Asotin continued as a county.
- 1883Asotin County created Asotin created by Washington Territory from Garfield. · Wash. Terr. Laws 1883, 9th biennial sess., pp. 96-97
- 1889Became part of Washington Asotin continued as a Washington county when the state of Washington admitted to the Union and Washington Territory eliminated. · U.S. Stat., vol. 25, ch. 180[1889], p. 676; U.S. Stat. pres. proc., vol. 26[1889], p. 10; Van Zandt, 155-156
Land and parcels
What the maps cover in Asotin
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 13,629 parcels. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 24 September 2026 · checked 15 October 2026 -
Address points Missing
No public address points layer found for Asotin County yet.
-
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
Asotin 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
Who to ask before you build, dig or sell
Official county pages only. We link to them; we do not copy them, because they change.
Inside a city or town, permits usually come from that city rather than the county.
Permits
County government
- County government
The official website of Asotin County.
See your own lot on these maps
Open Asotin 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 Asotin County
- When was Asotin County founded?
- Asotin County was founded in 1883, formed from Garfield County.
- What is the county seat of Asotin County?
- The county seat of Asotin County is Asotin.
- Is there an online parcel map for Asotin County?
- Yes. A public source publishes a parcel map of 13,629 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Asotin County's boundary or name changed?
- Asotin County was created in 1883 from Garfield County. Since then the Atlas of Historical County Boundaries records 1 later change.
- Who issues building permits in Asotin County?
- The county's page on building permits: Concealed Weapon Permit. Inside a city or town, ask that city first.
- Is my lot in a flood zone?
- We do not have flood maps for Asotin County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby