Irmo town, South Carolina Demographics & Population 2026
As of 2026, Irmo town, South Carolina has a total population of 11,799, the 53rd largest city in South Carolina, with a median household income of $85,137, which is 27% higher than the state average. The poverty rate is 8.1%.
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.3x.
- Unemployment rate of 8.3% is notably above the national average.
Irmo town Quick Facts
How Irmo town Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 54 | National average: 60
Education
Educational Attainment (Adults 25+)
Irmo town Rankings in South Carolina
Explore South Carolina Rankings
Cities Similar to Irmo town
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Powdersville CDP | 11,321 | $88,125 | $318,600 | 33.6% | 8.5% |
| Oak Grove CDP | 12,031 | $75,506 | $195,700 | 33.5% | 11.1% |
| James Island town | 11,738 | $100,176 | $454,200 | 48.0% | 5.4% |
| Boiling Springs CDP | 12,609 | $79,798 | $230,000 | 29.9% | 9.2% |
| Fountain Inn city | 11,307 | $72,021 | $255,400 | 30.8% | 12.9% |
Population Overview
Irmo town is a small city located in South Carolina. The total population is 11,799. It ranks as the 53rd most populous out of 475 cities and towns in South Carolina.
Age Demographics
The median age in Irmo town is 39.5 years. This is 1% lower than the state median of 40.1 years.
Economy, Income & Housing
The median household income in Irmo town is $85,137. This is 27% higher than the state median of $66,818. Compared to the national median of $78,538, household income here is 8% higher. The poverty rate stands at 8.1%. This is 43% lower than the state poverty rate of 14.2%. The unemployment rate is 8.3%. This is 67% higher than the state rate of 5.0%. The median home value is $193,100. Housing costs are 18% lower than the state median of $236,700. With a home-value-to-income ratio of just 2.3x, Irmo town is one of the most affordable housing markets in the area. 80.7% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 71.4%.
Race & Ethnicity
The largest racial or ethnic group in Irmo town is White (non-Hispanic), making up 61.3% of the population. Black or African American residents account for 29.3%. The Hispanic or Latino population (2.8%) is well below the state average of 7.1%.
Education
37.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 19% higher than the state rate of 31.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.9%.
Data Sources & Methodology
All demographic data for Irmo town, South Carolina is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against South Carolina state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 475 Census-designated places in South Carolina. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Irmo town, South Carolina?
Irmo town, South Carolina has a population of 11,799 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Irmo town, SC?
The median household income in Irmo town is $85,137, which is 8% higher the national median of $78,538.
What is the poverty rate in Irmo town, SC?
The poverty rate in Irmo town is 8.1%. This means approximately 950 residents live below the federal poverty line.
What is the racial makeup of Irmo town, South Carolina?
Irmo town's population is 61.3% White, 29.3% Black, 2.8% Hispanic/Latino, and 2.5% Asian.
What is the median home value in Irmo town, SC?
The median home value in Irmo town is $193,100. The home-value-to-income ratio is 2.3x.
How educated is Irmo town, South Carolina?
37.3% of adults (25+) in Irmo town hold a bachelor's degree or higher, and 11.1% hold a graduate or professional degree.