South Carolina · FIPS 45017 · County seat: St. Matthews
Calhoun County, SC GIS & Parcel Viewer
Use this page to reach the official county parcel map for Calhoun County, South Carolina. The button below opens the Calhoun County parcel map in a new tab, so you can look up parcels by address, owner or parcel number on the source site itself.
Open the Calhoun County parcel map ↗
Opens gis.aecomonline.net in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Calhoun County parcel map |
|---|---|
| Type | County-run map |
| Website | gis.aecomonline.net |
| Access | Free, no login (checked Oct 2026) |
| County seat | St. Matthews |
| Population | 14,186 (2023 Census Bureau estimate) |
| Land area | 381 sq mi |
| FIPS code | 45017 |
About the official source
It is a county-level map: Calhoun County or the company it hires keeps the parcel layer up to date. When we tested the link in October 2026 it opened with no login and no fee.
Finding a property on this map
- Press the button above to open the county's own web map.
- Search for the property or pan and zoom to it.
- Click the lot to bring up what the county publishes about it.
- Look for print or measure tools if you need a quick map or rough size.
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.
Calhoun County by the numbers
Census Bureau figures put Calhoun County at about 14,186 people (2023 estimate) on roughly 381 square miles of land, which is about 37 residents per square mile. Among South Carolina's 46 counties, it is the 43rd largest by population. St. Matthews 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 Calhoun County:
Before you rely on the lines
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.