Kansas · FIPS 20139 · County seat: Lyndon
Osage County, KS GIS & Parcel Viewer
Osage County, Kansas parcel data lives on the Osage County ORKA parcel viewer. Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the Osage County parcel map ↗
Opens kansasgis.org in a new tab. We link out and never embed or copy parcel data.
Osage County at a glance
| Official map | Osage County ORKA parcel viewer |
|---|---|
| Type | County-run map |
| Website | kansasgis.org |
| Access | Free, no login (checked Oct 2026) |
| County seat | Lyndon |
| Population | 15,824 (2023 Census Bureau estimate) |
| Land area | 706 sq mi |
| FIPS code | 20139 |
About the official source
Osage County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. When we tested the link in October 2026 it opened with no login and no fee.
How to use the Osage County viewer
- Open the link to ORKA, the parcel viewer hosted on kansasgis.org that many Kansas counties share.
- Read and accept the intro or disclaimer page to reach the map.
- Search by owner, street address or parcel ID, or click a lot on the map.
- Open the parcel details to see the appraisal information the county shares.
If an address search comes up empty, try the parcel number from a tax bill or deed instead, or click the lot on the map.
About Osage County
Osage County had an estimated 15,824 residents in 2023, according to the Census Bureau. With about 706 square miles of land, that works out to roughly 22 people per square mile. Among Kansas's 105 counties, it is the 32nd largest by population. Lyndon serves as the county seat.
Nearby parcel maps
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Osage County:
A note on accuracy
The lines you see online are approximate. They're good for finding a lot and its parcel number, but a legal boundary question needs the recorded plat or a surveyor.