Irmo, South Carolina Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Irmo, South Carolina is 11,799 as of the 2023 American Community Survey, making it the 53rd-largest city in South Carolina. The median household income is $85,137, the median home value is $193,100, and the median age is 39.5.
The population has grown 8.2% since 2010 (11,166 → 12,086).
11,799
Population
1728
People / sq mi
$85,137
Median Income
$193,100
Median Home Value
Irmo covers 6.8 sq mi of land at 1728 people per square mile.
About Irmo, SC
Irmo is a city in South Carolina with a population of 11,799. It ranks #53 among cities in South Carolina by population. The median age is 39.5, in line with the national median. The population is 47.7% male and 52.3% female.
The median household income in Irmo is $85,137, above the US median of $74,580. 6.1% of residents live below the federal poverty level. Home values sit at a median of $193,100, with monthly rent averaging $1,412. The homeownership rate of 80.7% is higher than the national rate of 64.8%.
Educational attainment in Irmo reflects 37.3% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 13.7% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 24.8 minutes each way.
Irmo town Population History (2010-2024)
The city of Irmo town had a population of 11,166 in 2010 and 12,086 in 2024, a 8.2% growth over 14 years. The peak was 12,483 in 2019. Average annual growth rate: 0.60%.
12,086
Population (2024)
11,166
Population (2010)
12,483
Peak (2019)
0.60%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 11,166 |
| 2011 | 11,301 |
| 2012 | 11,469 |
| 2013 | 11,647 |
| 2014 | 11,809 |
| 2015 | 11,964 |
| 2016 | 12,077 |
| 2017 | 12,236 |
| 2018 | 12,365 |
| 2019 | 12,483 |
| 2020 | 11,491 |
| 2021 | 11,670 |
| 2022 | 11,825 |
| 2023 | 11,930 |
| 2024 | 12,086 |
Race & Ethnicity
| White | 61.3% |
| Black or African American | 29.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.1% |
| Two or More Races | 0.0% |
Economy & Income
$85,137
Median Household Income
$39,672
Per Capita Income
6.1%
Poverty Rate
5.6%
Unemployment Rate
Housing
$193,100
Median Home Value
$1,412
Median Rent
80.7%
Owner-Occupied
Education
95.9%
High School+
37.3%
Bachelor's+
Commute
0.0%
Drive Alone
76.2%
Public Transit
13.7%
Work From Home
24.8 min
Avg Commute
Community Profile
36.3%
Foreign Born
93.0%
Non-English at Home
8.4%
Veterans
12.9%
With Disability
89.7%
Health Insurance
96.3%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 19.4% |
| Finance, Insurance & Real Estate | 12.3% |
| Construction | 10.5% |
| Arts, Entertainment & Food Services | 8.2% |
| Public Administration | 7.7% |
| Retail Trade | 7.4% |
| Manufacturing | 7.2% |
| Information | 7.1% |
| Education, Health Care & Social Services | 4.5% |
| Transportation & Warehousing | 0.7% |
Largest cities in South Carolina
Largest counties in South Carolina
Part of South Carolina
Metro areas in South Carolina
City rankings
Frequently Asked Questions
Irmo, South Carolina has a population of 11,799 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 53rd-largest city in South Carolina.
The median household income in Irmo, South Carolina is $85,137, with 6.1% of residents living below the federal poverty level.
The median home value in Irmo, South Carolina is $193,100, with median monthly rent at $1,412 and a homeownership rate of 80.7%.
The median age in Irmo, South Carolina is 39.5 years. The population is 47.7% male and 52.3% female.
The population has grown 8.2% since 2010 (11,166 → 12,086).
More from South Carolina
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Full rankings of South Carolina cities by population
Statewide data for South Carolina
Population, race, income, age, and trends across South Carolina
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.