Irmo town, South Carolina
Official LSAD Designation: Irmo town • Census GEOID: 4535890
• Lexington County / Richland County
Irmo town is an incorporated town in Lexington County, Richland County, South Carolina. According to official records from the Census (2025), Irmo town had an estimated population of 12,204 residents. Official Census Bureau geographic records classify this community under LSAD designation Irmo town (GEOID 4535890).
Local Government Administration U.S. Census Bureau GMAF
Town Of Irmo
Municipal
Official Title:
Town Administrator
Address:
PO BOX 406, IRMO SC 29063-0406
County Of Lexington
County
Official Title:
Assistant To Clerk To Council
Address:
212 S LAKE DR STE 302, LEXINGTON SC 29072-3495
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 12,204 | 2025 |
| Median Household Income | $80,489 | 2020-2024 |
| Median Home Value | $203,400 | 2020-2024 |
| Land Area | 6.89 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).