South Carolina · FIPS 45005 · County seat: Allendale
Allendale County, SC GIS & Parcel Viewer
Looking for lot lines or a parcel number in Allendale County, SC? The quickest route is Allendale County ThinkGIS map, 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 Allendale County parcel map ↗
Opens allendalesc.wthgis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Allendale County ThinkGIS map |
|---|---|
| Type | County-run map |
| Website | allendalesc.wthgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Allendale |
| Population | 7,369 (2023 Census Bureau estimate) |
| Land area | 408 sq mi |
| FIPS code | 45005 |
Who runs this map
Allendale County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. 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 is hosted on WTH GIS, a vendor platform used by 44 counties in our directory.
- Accept any disclaimer, then use the search tool to find a street address, owner or parcel ID.
- Click a parcel to view its attributes.
- Use the layer or basemap controls to add aerials and other layers where the county provides them.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
The U.S. Census Bureau estimated Allendale County's population at 7,369 in 2023, spread over about 408 square miles of land, or roughly 18 people per square mile. That makes it the least populous of South Carolina's 46 counties. Its county seat is Allendale.
Nearby parcel maps
Parcels close to the edge of Allendale County can fall in the next county over. Neighboring counties:
- Bamberg County (state list)
- Barnwell County
- Colleton County
- Hampton County
- Burke County, GA
- Screven County, GA
Maps vs. surveys
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.