County · code 20173
Sedgwick CountyKansas
Sedgwick County is a county in Kansas, with Wichita as its county seat. The county was created in 1867 and named after John Sedgwick.
- Founded1867
- County seatWichita
- Named forJohn Sedgwick
- Land area997 sq mi + 12 sq mi water
- Population523,824 2020 Census
- Parcels mapped241,705 checked 16 October 2026
Where it is
Sedgwick on the map of Kansas
Kansas has 105 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1867 from Butler County and Marion County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Sedgwick County was formed in 1867 from Butler County and Marion County, and named after John Sedgwick. Wichita is the county seat.
Deeds and plats from before 1867 for land now in Sedgwick County may have been recorded in Butler County and Marion County.
- 1867Sedgwick County created Sedgwick created from Butler and Marion; Sedgwick not fully organized. · Kans. Laws 1867, 7th leg., ch. 33, sec. 10/p. 52
- 1867Changed Sedgwick attached to Butler "for judicial purposes." · Kans. Laws 1867, 7th leg., ch. 52, sec. 9/p. 87
- 1869Changed Sedgwick remained attached to Butler "for judicial purposes." · Kans. Laws 1869, 9th leg., ch. 36, sec. 8/p. 121
- 1870
- 1872
Show all 8 changes
- 1867Sedgwick County created Sedgwick created from Butler and Marion; Sedgwick not fully organized. · Kans. Laws 1867, 7th leg., ch. 33, sec. 10/p. 52
- 1867Changed Sedgwick attached to Butler "for judicial purposes." · Kans. Laws 1867, 7th leg., ch. 52, sec. 9/p. 87
- 1869Changed Sedgwick remained attached to Butler "for judicial purposes." · Kans. Laws 1869, 9th leg., ch. 36, sec. 8/p. 121
- 1870
- 1871
- 1872Changed Reno fully organized, detached from Sedgwick. · Andreas, 1350, 1371; Kans. Laws 1872, 12th leg., ch. 119/p. 262
- 1872
- 1872
Land and parcels
What the maps cover in Sedgwick
Who publishes each layer, how good it is, and when we last checked.
-
Parcels Good enough
Lot lines and tax-map numbers for 241,705 parcels. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 16 October 2026 -
Address points Official
One point per address, 251,635 in all from Kansas 911 Coordinating Council NG911 program, hosted by DASC (Data Access and Support Center for the Kansas GIS Policy Board).
edited 13 July 2026 · checked 13 October 2026 -
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
Sedgwick 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.
Zoning and code
County government
- County government
The official website of Sedgwick County.
See your own lot on these maps
Open Sedgwick 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 Sedgwick County
- When was Sedgwick County founded?
- Sedgwick County was founded in 1867, formed from Butler County and Marion County, and named after John Sedgwick.
- What is the county seat of Sedgwick County?
- The county seat of Sedgwick County is Wichita.
- Is there an online parcel map for Sedgwick County?
- Yes. A public source publishes a parcel map of 241,705 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Sedgwick County's boundary or name changed?
- Sedgwick County was created in 1867 from Butler County and Marion County. Since then the Atlas of Historical County Boundaries records 7 later changes, chiefly involving Butler County, Reno County and Harper County.
- Who issues building permits in Sedgwick County?
- The county's page on building permits: Permits. Inside a city or town, ask that city first.
- Who issues septic and well permits in Sedgwick County?
- The county's page on septic systems and wells: contact us.
- Is my lot in a flood zone?
- We do not have flood maps for Sedgwick County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby