Missouri · FIPS 29151 · County seat: Linn
Osage County, MO GIS & Parcel Viewer
Osage County, Missouri parcel data lives on the Osage County IntegrityGIS map. 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 osagegis.integritygis.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Osage County IntegrityGIS map |
|---|---|
| Type | County-run map |
| Website | osagegis.integritygis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Linn |
| Population | 13,468 (2023 Census Bureau estimate) |
| Land area | 607 sq mi |
| FIPS code | 29151 |
Who runs this map
This map is published by or for Osage County itself, so it reflects the local parcel layer rather than a third-party copy. As of our October 2026 test, anyone could open it without signing in or paying.
Finding a property on this map
- Open the official link; the map loads with the county outline and a row of tool tabs across the top.
- When the disclaimer window appears, click Accept to start using the map.
- Zoom toward the property with the + button or your mouse wheel, or use the search field in the upper right corner.
- Select a lot to see the record the county publishes. The I want to... menu and the Tasks tab hold extra tools such as bookmarks and printing.
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.
Osage County by the numbers
Osage County had an estimated 13,468 residents in 2023, according to the Census Bureau. With about 607 square miles of land, that works out to roughly 22 people per square mile. By population it ranks 73rd of 115 counties in Missouri. The county seat is Linn.
Neighboring counties
Parcels close to the edge of Osage County can fall in the next county over. Neighboring counties:
Before you rely on the lines
Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.