Irmo Flag

Irmo

County:
Richland County
County Seat:
No
Area (mi²):
6.83

Irmo is a town located in Richland County, South Carolina. Irmo has a 2026 population of 12,086. Irmo is currently growing at a rate of 1.31% annually and its population has increased by 5.18% since the most recent census, which recorded a population of 11,491 in 2020.

12.1K
Total Population
1,770
Density (mi²)
156 1.31%
Growth