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County · code 20077

Harper CountyKansas

Harper County is a county in Kansas, with its seat in Anthony. It was created on February 26, 1867, from Marion County.

  • Founded1867
  • County seatAnthony
  • Land area801 sq mi + 1.5 sq mi water
  • Population5,485 2020 Census
  • Parcels mapped7,217 checked 16 October 2026
Open the free map Click any parcel in Harper County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

KingmanGrant, OKAlfalfa, OKSumnerBarber Anthony Census outline · seat marked

Where it is

Harper 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 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 CountyWashington CountyWichita CountyWilson CountyWoodson CountyWyandotte CountyHarper County Harper
Counties of Kansas · Harper highlighted

History

Formed in 1867 from Marion County

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

Harper County was formed in 1867 from Marion County. Anthony is the county seat.

Deeds and plats from before 1867 for land now in Harper County may have been recorded in Marion County.

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

  1. 1867
    Harper County created Harper created from Marion; Harper not fully organized.
    from Marion
    · Kans. Laws 1867, 7th leg., ch. 33, sec. 18/p. 54
  2. 1871
    Changed Harper attached to Sedgwick "for judicial purposes."
    Sedgwick
    · Kans. Laws 1871, 11th leg., ch. 69, sec. 1/pp. 176-177
  3. 1872
    Changed Harper detached from Sedgwick, attached to Sumner "for judicial purposes."
    SedgwickSumner
    · Kans. Laws 1872, 12th leg., ch. 112, sec. 5/p. 251
  4. 1872
    Lost territory Harper lost to creation of Kingman.
    to Kingman
    · Kans. Laws 1872, 12th leg., ch. 97, sec. 4/p. 184
  5. 1873
    Lost territory Harper lost to Barbour (now Barber).
    to Barbourto Barber
    · Kans. Laws 1873, 13th leg., ch. 57/pp. 112-113
Show all 10 changes (5 more)
  1. 1867
    Harper County created Harper created from Marion; Harper not fully organized.
    from Marion
    · Kans. Laws 1867, 7th leg., ch. 33, sec. 18/p. 54
  2. 1871
    Changed Harper attached to Sedgwick "for judicial purposes."
    Sedgwick
    · Kans. Laws 1871, 11th leg., ch. 69, sec. 1/pp. 176-177
  3. 1872
    Changed Harper detached from Sedgwick, attached to Sumner "for judicial purposes."
    SedgwickSumner
    · Kans. Laws 1872, 12th leg., ch. 112, sec. 5/p. 251
  4. 1872
    Lost territory Harper lost to creation of Kingman.
    to Kingman
    · Kans. Laws 1872, 12th leg., ch. 97, sec. 4/p. 184
  5. 1873
    Changed Harper detached from Sumner, attached to Reno "for judicial purposes."
    SumnerReno
    · Kans. Laws 1873, 13th leg., ch. 79, sec. 4/p. 166
  6. 1873
    Lost territory Harper lost to Barbour (now Barber).
    to Barbourto Barber
    · Kans. Laws 1873, 13th leg., ch. 57/pp. 112-113
  7. 1876
    Changed Harper detached from Reno, attached to Sumner "for judicial purposes."
    RenoSumner
    · Kans. Laws 1876, 16th leg., ch. 69, sec. 2/pp. 168-169
  8. 1878
    Changed Harper fully organized, detached from Sumner.
    Sumner
    · Andreas, 363-364; Sanders, 42-43
  9. 1879
    Boundary clarified Harper boundaries redefined (no change).
    no change
    · Kans. Laws 1879, 18th leg., ch. 73/pp. 148-149
  10. 1885
    Boundary clarified Harper boundaries clarified (no change).
    no change
    · Kans. Laws 1885, 21st leg., ch. 69/p. 108

Land and parcels

What the maps cover in Harper

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

Harper by the Census

Population
5,485 2020 Census count
Housing units
3,027 2020 Census count
Land area
801 square miles
Water area
1.5 square miles
People per sq mi
7 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

Harper 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 Harper 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 Harper County

When was Harper County founded?
Harper County was founded in 1867, formed from Marion County.
What is the county seat of Harper County?
The county seat of Harper County is Anthony.
Is there an online parcel map for Harper County?
Yes. Harper County publishes a parcel map of 7,217 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Harper County's boundary or name changed?
Harper County was created in 1867 from Marion County. Since then the Atlas of Historical County Boundaries records 7 later changes, chiefly involving Sumner County, Reno County and Sedgwick County.
Is my lot in a flood zone?
We do not have flood maps for Harper 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