Tennessee · FIPS 47165 · County seat: Gallatin
Sumner County, TN GIS & Parcel Viewer
Looking for lot lines or a parcel number in Sumner County, TN? The quickest route is Tennessee Property Viewer (TN Comptroller), the statewide parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Sumner County statewide map ↗
Opens tnmap.tn.gov in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Tennessee Property Viewer (TN Comptroller) |
|---|---|
| Type | Statewide map (covers all of Tennessee) |
| Website | tnmap.tn.gov |
| Access | Free, no login (checked Oct 2026) |
| County seat | Gallatin |
| Population | 207,994 (2023 Census Bureau estimate) |
| Land area | 529 sq mi |
| FIPS code | 47165 |
About the official source
Sumner County doesn't have its own viewer in our directory, so we point you to a statewide map: Tennessee Property Viewer (TN Comptroller). Zoom in on Sumner County to see its parcels. Because a state agency compiles this layer from local data, check with the Sumner County assessor or recorder before relying on a recent change. As of our October 2026 test, anyone could open it without signing in or paying.
Searching for a parcel, step by step
- Open the statewide map with the button above.
- Search for an address in Sumner County, or zoom to the county on the map.
- Click a parcel to see the attributes the state layer includes.
- Write down the parcel number and use it for records searches with the Sumner County assessor or recorder.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
Census Bureau figures put Sumner County at about 207,994 people (2023 estimate) on roughly 529 square miles of land, which is about 393 residents per square mile. Among Tennessee's 95 counties, it is the 8th largest by population. Gallatin 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 Sumner County:
- Davidson County
- Macon County
- Robertson County
- Trousdale County
- Wilson County
- Allen County, KY (state list)
- Simpson County, KY
Maps vs. surveys
Keep in mind that a GIS parcel layer is a tax map, not a survey. For exact boundaries, look at the recorded deed and plat or hire a licensed land surveyor.