Irmo, SC
Population 11,799 · South Carolina
About Irmo, SC
Irmo is a mid-sized city in South Carolina with a population of 11,799 residents. The median household income is $85,137 per year, which is above the national average. The median age in Irmo is 39.5 years.
Housing in Irmo has a median home value of $193,100 and median monthly rent of $1,412. Of the 4,996 total housing units, the majority are owner-occupied, with 3,823 owner-occupied and 916 renter-occupied units.
The unemployment rate in Irmo is 8.3% and the poverty rate is 8.1%. 37.3% of residents hold a bachelor's degree or higher. The average commute time is 24.8 minutes.
Cost of Living in Irmo, SC
Compared to national averages, Irmo has a median household income of $85,137 (13% above the national median of $75,149). Home values average $193,100, which is 21% below the national median. Monthly rent at $1,412 is 21% above the US average of $1,163. Within South Carolina, Irmo's income is 45% above the state average of $58,738, and home values are 4% below the state median of $202,187.
Why Live in Irmo, SC?
Irmo offers a strong local economy with a median household income of $85,137, well above the national average, and affordable housing with a median home value of $193,100, below the US average of $244,900, and a well-educated community where 37.3% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 8.1%, better than the national average, and short commute times averaging just 24.8 minutes.
Irmo has a population of 11,799 with a median age of 39.5 years. Compare Irmo with other cities to see how it stacks up, or explore all cities in South Carolina.
Similar Cities Near Irmo
Cities in South Carolina with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| James Island | 11,738 | $100,176 | $454,200 | Compare |
| Oak Grove | 12,031 | $75,506 | $195,700 | Compare |
| Powdersville | 11,321 | $88,125 | $318,600 | Compare |
| Fountain Inn | 11,307 | $72,021 | $255,400 | Compare |
| Parker | 12,564 | $38,607 | $121,800 | Compare |
| Boiling Springs | 12,609 | $79,798 | $230,000 | Compare |
| Gaffney | 12,612 | $41,214 | $141,100 | Compare |
| Red Bank | 10,950 | $60,348 | $176,200 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in South Carolina
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Irmo
What is the population of Irmo, SC?
The population of Irmo, SC is 11,799 according to the latest Census data.
What is the median household income in Irmo?
The median household income in Irmo, SC is $85,137 per year.
What is the median home value in Irmo?
The median home value in Irmo, SC is $193,100.
What is the average rent in Irmo?
The median monthly rent in Irmo, SC is $1,412.
What is the unemployment rate in Irmo?
The unemployment rate in Irmo, SC is 8.3%.