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County · code 27163

Washington CountyMinnesota

Washington County is located in Minnesota and has its county seat in Stillwater. It was created in 1849 from territory in Minnesota Territory and is named after George Washington.

  • Founded1849
  • County seatStillwater
  • Named forGeorge Washington
  • Land area385 sq mi + 39 sq mi water
  • Population267,568 2020 Census
  • Parcels mapped119,518 checked 15 October 2026
Open the free map Click any parcel in Washington County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

RamseyDakotaSt. Croix, WIAnokaChisagoPierce, WIPolk, WI Stillwater Census outline · seat marked

Where it is

Washington on the map of Minnesota

Minnesota has 87 counties and county equivalents, each with its own records office. Shapes with a page are links.

Aitkin CountyAnoka CountyBecker CountyBeltrami CountyBenton CountyBig Stone CountyBlue Earth CountyBrown CountyCarlton CountyCarver CountyCass CountyChippewa CountyChisago CountyClay CountyClearwater CountyCook CountyCottonwood CountyCrow Wing CountyDakota CountyDodge CountyDouglas CountyFaribault CountyFillmore CountyFreeborn CountyGoodhue CountyGrant CountyHennepin CountyHouston CountyHubbard CountyIsanti CountyItasca CountyJackson CountyKanabec CountyKandiyohi CountyKittson CountyKoochiching CountyLac qui Parle CountyLake CountyLake of the Woods CountyLe Sueur CountyLincoln CountyLyon CountyMcLeod CountyMahnomen CountyMarshall CountyMartin CountyMeeker CountyMille Lacs CountyMorrison CountyMower CountyMurray CountyNicollet CountyNobles CountyNorman CountyOlmsted CountyOtter Tail CountyPennington CountyPine CountyPipestone CountyPolk CountyPope CountyRamsey CountyRed Lake CountyRedwood CountyRenville CountyRice CountyRock CountyRoseau CountySt. Louis CountyScott CountySherburne CountySibley CountyStearns CountySteele CountyStevens CountySwift CountyTodd CountyTraverse CountyWabasha CountyWadena CountyWaseca CountyWatonwan CountyWilkin CountyWinona CountyWright CountyYellow Medicine CountyWashington County Washington
Counties of Minnesota · Washington highlighted

History

Formed in 1849 from Itasca County and Wabasha County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Washington County was created on October 27, 1849, from non-county area in Minnesota Territory, with Itasca and Wabasha attached for judicial purposes. On May 1, 1851, Washington County gained territory from Ramsey County while losing area to the creation of Chisago County; Itasca was detached and attached to Benton County. Wabasha was fully organized and detached from Washington on March 5, 1853.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1849
    Washington County created Washington created from non-county area in Minnesota Territory (remnant of Wisconsin Territory), fully organized; Itasca and Wabasha attached to Washington "for judicial purposes."
    from Itascafrom Wabasha
    · Minn. Terr. Laws 1849, ch. 5, secs. 1, 4, 5, 19/pp. 7-9
  2. 1851
    Gained territory Washington gained from Ramsey, lost to the creation of Chisago; Itasca detached from Washington, attached to Benton "for judicial purposes."
    from Ramseyfrom Chisagofrom Itascafrom Benton
    · Minn. Terr. Rev. Stat. 1851, ch. 1, secs. 2-3, 12/pp. 30-31
  3. 1853
    Changed Wabasha fully organized, detached from Washington.
    Wabasha
    · Minn. Terr. Laws 1853, ch. 11, sec. 14/p. 34

Land and parcels

What the maps cover in Washington

Who publishes each layer, how good it is, and when we last checked.

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

Population
267,568 2020 Census count
Housing units
104,014 2020 Census count
Land area
385 square miles
Water area
39 square miles
People per sq mi
696 population ÷ land area

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

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.

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Questions

Common questions about Washington County

When was Washington County founded?
Washington County was founded in 1849, formed from Itasca County and Wabasha County, and named after George Washington.
What is the county seat of Washington County?
The county seat of Washington County is Stillwater.
Is there an online parcel map for Washington County?
Yes. Washington County publishes a parcel map of 119,518 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 1849 from Itasca County and Wabasha County. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Benton County, Chisago County and Itasca 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

Counties next door