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County · code 20201

Washington CountyKansas

Washington County is a county in Kansas with its seat in Washington. The county was created on August 25, 1855, from Allen County and named after George Washington.

  • Founded1855
  • County seatWashington
  • Named forGeorge Washington
  • Land area895 sq mi + 3.9 sq mi water
  • Population5,530 2020 Census
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Updated

Jefferson, NEMarshallRepublic Washington Census outline · seat marked

Where it is

Washington on the map of Kansas

Kansas has 105 counties and county equivalents, each with its own records office. Shapes with a page are links.

Allen CountyAnderson CountyAtchison CountyBarber CountyBarton CountyBourbon CountyBrown CountyButler CountyChase CountyChautauqua CountyCherokee CountyCheyenne CountyClark CountyClay CountyCloud CountyCoffey CountyComanche CountyCowley CountyCrawford CountyDecatur CountyDickinson CountyDoniphan CountyDouglas CountyEdwards CountyElk CountyEllis CountyEllsworth CountyFinney CountyFord CountyFranklin CountyGeary CountyGove CountyGraham CountyGrant CountyGray CountyGreeley CountyGreenwood CountyHamilton CountyHarper CountyHarvey CountyHaskell CountyHodgeman CountyJackson CountyJefferson CountyJewell CountyJohnson CountyKearny CountyKingman CountyKiowa CountyLabette CountyLane CountyLeavenworth CountyLincoln CountyLinn CountyLogan CountyLyon CountyMcPherson CountyMarion CountyMarshall CountyMeade CountyMiami CountyMitchell CountyMontgomery CountyMorris CountyMorton CountyNemaha CountyNeosho CountyNess CountyNorton CountyOsage CountyOsborne CountyOttawa CountyPawnee CountyPhillips CountyPottawatomie CountyPratt CountyRawlins CountyReno CountyRepublic CountyRice CountyRiley CountyRooks CountyRush CountyRussell CountySaline CountyScott CountySedgwick CountySeward CountyShawnee CountySheridan CountySherman CountySmith CountyStafford CountyStanton CountyStevens CountySumner CountyThomas CountyTrego CountyWabaunsee CountyWallace CountyWichita CountyWilson CountyWoodson CountyWyandotte CountyWashington County Washington
Counties of Kansas · Washington highlighted

History

Formed in 1855 from Allen County

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

Washington County was created by Kansas Territory on August 25, 1855, from non-county area and initially attached to Allen County for judicial purposes. After losing territory to non-county area in 1857, Washington was re-created and attached to Marshall County, finally becoming fully organized and detached from Marshall on April 9, 1860. Washington became a county in the state of Kansas on January 29, 1861, and later gained a small area from Marshall County in 1893.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries; the 5 that matter most are shown first.

  1. 1855
    Washington County created Washington created by Kansas Territory from non-county area; included territory in present Kansas and Colorado. Washington not fully organized, attached to Allen "for judicial and other purposes."
    from Allen
    · Kans. Terr. Laws 1855, 1st leg., ch. 33/pp. 214-215
  2. 1857
    Washington County created Washington re-created from part of Non-County Area 1 attached to Marshall; all of Washington's original 1855 area reverted to Non-County Area 3. Washington's attachment to Allen ended.
    from Marshallfrom Allen
    · Kans. Terr. Laws 1857, 2d leg., sec. 33/p. 45
  3. 1859
    Changed Washington attached to Marshall "for judicial purposes."
    Marshall
    · Kans. Terr. Laws 1859, 5th leg., ch. 40, sec. 4/p. 330
  4. 1860
    Changed Washington remained attached to Marshall "for judicial purposes."
    Marshall
    · Kans. Terr. Laws 1860, ch. 78, sec. 4/p. 133
  5. 1861
    Became part of Kansas Washington became a county in the state of Kansas. · U.S. Stat., vol. 12, ch. 20 [1861]/pp. 126-128; Van Zandt, 138-139
Show all 11 changes (6 more)
  1. 1855
    Washington County created Washington created by Kansas Territory from non-county area; included territory in present Kansas and Colorado. Washington not fully organized, attached to Allen "for judicial and other purposes."
    from Allen
    · Kans. Terr. Laws 1855, 1st leg., ch. 33/pp. 214-215
  2. 1857
    Washington County created Washington re-created from part of Non-County Area 1 attached to Marshall; all of Washington's original 1855 area reverted to Non-County Area 3. Washington's attachment to Allen ended.
    from Marshallfrom Allen
    · Kans. Terr. Laws 1857, 2d leg., sec. 33/p. 45
  3. 1859
    Changed Washington attached to Marshall "for judicial purposes."
    Marshall
    · Kans. Terr. Laws 1859, 5th leg., ch. 40, sec. 4/p. 330
  4. 1860
    Changed Washington remained attached to Marshall "for judicial purposes."
    Marshall
    · Kans. Terr. Laws 1860, ch. 78, sec. 4/p. 133
  5. 1860
    Changed Washington fully organized, detached from Marshall.
    Marshall
    · Andreas, 1056; Kans. Terr. Laws 1860, ch. 48/p. 90
  6. 1861
    Became part of Kansas Washington became a county in the state of Kansas. · U.S. Stat., vol. 12, ch. 20 [1861]/pp. 126-128; Van Zandt, 138-139
  7. 1865
    Changed Republic and Shirley (now Cloud) detached from Marshall, attached to Washington for judicial and administrative purposes. Shirley was incorrectly named "Shelby" in this act.
    RepublicShirleyCloudMarshallShelby
    · Kans. Laws 1865, 5th leg., ch. 18/pp. 46-47
  8. 1866
    Changed Shirley (now Cloud) fully organized, detached from Washington.
    ShirleyCloud
    · Andreas, 1016; Kansas Counties, KSHS, http://www.kshs.org/genealogists/places/counties.htm, 20 October 2004
  9. 1867
    Changed Republic detached from Washington, attached to Marshall "for judicial purposes."
    RepublicMarshall
    · Kans. Laws 1867, 7th leg., ch. 52, sec. 16/p. 89
  10. 1893
    Gained territory Washington gained small area in sections 6 and 7, township 4 south, range 6 east from Marshall. This law was enacted to allow Washington access to a proposed bridge across the Little Blue River.
    from Marshall
    · Kans. Laws 1893, 25th leg., ch. 54/pp. 82-83
  11. 1903
    Boundary clarified Act of 12 April 1893, defining the boundary between Washington and Marshall, was clarified. While this act is still included in the description of county boundaries in the 1995 "Kansas Statutes Annotated," it is no longer in force, and the pre-1893 boundary is observed (no change).
    with Marshallno change
    · Kans. Laws 1903, 30th leg., ch. 181/pp. 326-327; Linda Fincham, Register of Deeds, Marshall Co., correspondence, 8 March 2005; Marilyn K. Kolle, Register of Deeds, Washington Co., correspondence, 21 March 2005

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
5,530 2020 Census count
Housing units
2,726 2020 Census count
Land area
895 square miles
Water area
3.9 square miles
People per sq mi
6 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

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Questions

Common questions about Washington County

When was Washington County founded?
Washington County was founded in 1855, formed from Allen County, and named after George Washington.
What is the county seat of Washington County?
The county seat of Washington County is Washington.
Is there an online parcel map for Washington County?
Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.
Has Washington County's boundary or name changed?
Washington County was created in 1855 from Allen County. Since then the Atlas of Historical County Boundaries records 9 later changes, chiefly involving Marshall County, Cloud County and Republic 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