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County · code 20061

Geary CountyKansas

Geary County, Kansas is a 384.7-square-mile county with its seat in Junction City. The county was established in 1855 as Davis County and renamed Geary County in 1889 after John W. Geary.

  • Founded1855
  • County seatJunction City
  • Named forJohn W. Geary
  • Land area385 sq mi + 20 sq mi water
  • Population36,739 2020 Census
  • Parcels mapped13,857 checked 15 October 2026
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Updated

RileyDickinson Junction City Census outline · seat marked

Where it is

Geary on the map of Kansas

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

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Counties of Kansas · Geary highlighted

History

Formed in 1855 from Riley County

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

Davis County was created August 25, 1855, by Kansas Territory from non-county area, initially attached to Riley County for civil and military purposes. The county was fully organized March 16, 1857, then experienced several boundary adjustments over the following decades, losing and gaining territory to neighboring counties. Davis County became a county in the state of Kansas on January 29, 1861, and was renamed Geary County on March 7, 1889.

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

  1. 1855
    Geary County created Davis (now Geary) created by Kansas Territory from non-county area; Davis not fully organized, attached to Riley "for civil and military purposes."
    from Riley
    · Kans. Terr. Laws 1855, 1st leg., ch. 30, secs. 21, 34/pp. 208, 210
  2. 1859
    Lost territory Davis (now Geary) lost to Morris.
    to Morris
    · Kans. Terr. Laws 1859, 5th leg., ch. 46/p. 361
  3. 1860
    Lost territory Davis (now Geary) lost to Wabaunsee.
    to Wabaunsee
    · Kans. Terr. Laws 1860, ch. 47/p. 89
  4. 1861
    Became part of Kansas Davis (now Geary) became a county in the state of Kansas. · U.S. Stat., vol. 12, ch. 20 [1861]/pp. 126-128; Van Zandt, 138-139
  5. 1889
    Renamed Davis renamed Geary.
    formerly Davis
    · Kans. Laws 1889, 23d leg., ch. 132/pp. 182-183
Show all 18 changes (13 more)
  1. 1855
    Geary County created Davis (now Geary) created by Kansas Territory from non-county area; Davis not fully organized, attached to Riley "for civil and military purposes."
    from Riley
    · Kans. Terr. Laws 1855, 1st leg., ch. 30, secs. 21, 34/pp. 208, 210
  2. 1857
    Boundary clarified Davis (now Geary) boundaries redefined to run on federal land survey lines (no change).
    no change
    · Kans. Terr. Laws 1857, 2d leg., sec. 21/p. 42
  3. 1857
    Changed Davis (now Geary) fully organized, detached from Riley.
    Riley
    · Andreas, 1001; Kans. Terr. Laws 1857, 2d leg., pp. 91-92
  4. 1859
    Lost territory Davis (now Geary) lost to Morris.
    to Morris
    · Kans. Terr. Laws 1859, 5th leg., ch. 46/p. 361
  5. 1860
    Lost territory Davis (now Geary) lost to Wabaunsee.
    to Wabaunsee
    · Kans. Terr. Laws 1860, ch. 47/p. 89
  6. 1860
    Gained territory Davis (now Geary) gained from Riley. The Legislature authorized Davis to gain from Dickinson, dependent on local referendum; that change did not take effect.
    from Rileyfrom Dickinson
    · Kans. Terr. Laws 1860, ch. 34/pp. 72-74
  7. 1860
    Changed Clay detached from Riley, attached to Davis (now Geary) "for judicial purposes."
    ClayRiley
    · Kans. Terr. Laws 1860, ch. 78, sec. 4/p. 133
  8. 1861
    Became part of Kansas Davis (now Geary) became a county in the state of Kansas. · U.S. Stat., vol. 12, ch. 20 [1861]/pp. 126-128; Van Zandt, 138-139
  9. 1861
    Lost territory Davis (now Geary) lost to Riley.
    to Riley
    · Kans. Terr. Laws 1861, ch. 12/p. 16
  10. 1861
    Changed Clay remained attached to Davis (now Geary) "for judicial purposes." Ottawa attached to Davis "for judicial purposes."
    ClayOttawa
    · Kans. Laws 1861, 1st leg., ch. 23, sec. 1/p. 123
  11. 1864
    Gained territory Davis (now Geary) gained from Dickinson.
    from Dickinson
    · Kans. Laws 1864, 4th leg., chs. 23-24/pp. 48-49
  12. 1865
    Changed Ottawa detached from Davis (now Geary), attached to Saline "for judicial purposes."
    OttawaSaline
    · Kans. Laws 1865, 5th leg., ch. 31/pp. 76-77
  13. 1866
    Changed Clay fully organized; detached from Davis (now Geary).
    Clay
    · Andreas, 1313; Pioneers of the Bluestem Prairie, 10
  14. 1873
    Exchanged territory Davis (now Geary) exchanged with Riley.
    with Riley
    · Kans. Laws 1873, 13th leg., ch. 58/pp. 113-115
  15. 1875
    Gained territory Davis (now Geary) gained from Riley.
    from Riley
    · Kans. Laws 1875, 15th leg., ch. 62/pp. 89-91
  16. 1889
    Renamed Davis renamed Geary.
    formerly Davis
    · Kans. Laws 1889, 23d leg., ch. 132/pp. 182-183
  17. 1893
    Changed Legislature authorized Geary to revert to its original name of "Davis," dependent on local referendum, which failed (no change).
    Davis
    · Kans. Laws 1893, 25th leg., ch. 61/pp. 88-89; Kans. Stat. Anno.1995, 2: sec. 18-131c/p. 574
  18. 1978
    Gained territory Geary gained small area from Riley along the Fort Riley Military Reservation boundary.
    from Riley
    · Kans. Laws 1978, 67th leg., ch. 88/pp. 421-422

Land and parcels

What the maps cover in Geary

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

Geary by the Census

Population
36,739 2020 Census count
Housing units
15,928 2020 Census count
Land area
385 square miles
Water area
20 square miles
People per sq mi
96 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

Geary County's official site

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County government

See your own lot on these maps

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Questions

Common questions about Geary County

When was Geary County founded?
Geary County was founded in 1855, formed from Riley County, and named after John W. Geary.
What is the county seat of Geary County?
The county seat of Geary County is Junction City.
Is there an online parcel map for Geary County?
Yes. Geary County publishes a parcel map of 13,857 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Geary County's boundary or name changed?
Geary County was created in 1855 from Riley County. Since then the Atlas of Historical County Boundaries records 15 later changes, chiefly involving Riley County, Clay County and Dickinson County. It was formerly called Davis.
Is my lot in a flood zone?
We do not have flood maps for Geary 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