Missouri · FIPS 29171 · County seat: Unionville
Putnam County, MO GIS & Parcel Viewer
Looking for lot lines or a parcel number in Putnam County, MO? The quickest route is CAMAvision Maps for Putnam County, the county parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Putnam County parcel map ↗
Opens maps.camavision.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | CAMAvision Maps for Putnam County |
|---|---|
| Type | County-run map |
| Website | maps.camavision.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Unionville |
| Population | 4,638 (2023 Census Bureau estimate) |
| Land area | 517 sq mi |
| FIPS code | 29171 |
Where the parcel data comes from
This map is published by or for Putnam County itself, so it reflects the local parcel layer rather than a third-party copy. Our October 2026 check found the map open to the public, with no account or payment needed.
Finding a property on this map
- Press the button above. This county's viewer runs on CAMAvision Maps; 42 counties in our directory use the same service.
- Find the search option and look up a property, or zoom in on the map.
- Click a lot to see its details.
- Check the toolbar for layers, measuring 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.
About Putnam County
The U.S. Census Bureau estimated Putnam County's population at 4,638 in 2023, spread over about 517 square miles of land, or roughly 9.0 people per square mile. That makes it number 110 out of 115 Missouri counties by population. Its county seat is Unionville.
Nearby parcel maps
Parcels close to the edge of Putnam County can fall in the next county over. Neighboring counties:
- Adair County
- Mercer County (state list)
- Schuyler County (state list)
- Sullivan County (state list)
- Appanoose County, IA
- Wayne County, IA
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.