Missouri · FIPS 29123 · County seat: Fredericktown
Madison County, MO GIS & Parcel Viewer
Looking for lot lines or a parcel number in Madison County, MO? The quickest route is the Madison County BreezeMaps viewer, 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 Madison County parcel map ↗
Opens madisongis.breezemaps.com in a new tab. We link out and never embed or copy parcel data.
Madison County at a glance
| Official map | Madison County BreezeMaps viewer |
|---|---|
| Type | County-run map |
| Website | madisongis.breezemaps.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Fredericktown |
| Population | 12,698 (2023 Census Bureau estimate) |
| Land area | 494 sq mi |
| FIPS code | 29123 |
About the official source
It is a county-level map: Madison County or the company it hires keeps the parcel layer up to date. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Madison County viewer
- Press the button above. This county's viewer runs on BreezeMaps; 13 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.
Madison County by the numbers
The U.S. Census Bureau estimated Madison County's population at 12,698 in 2023, spread over about 494 square miles of land, or roughly 26 people per square mile. That makes it number 74 out of 115 Missouri counties by population. Its county seat is Fredericktown.
Counties next to Madison County
Madison County shares a border with the counties below. Each link has its own official map:
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.