United States › South Carolina › Irmo CITY
Irmo South Carolina · 12,204 residents (2025 est.) · 7.03 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
Irmo is home to 11,813 people in South Carolina. 82% of homes are owner-occupied. The typical home is worth $203,400, having more than doubled since 2000. The foreign-born share is 6%. There are 1,681 people per square mile. Households here earn about 16% more than in South Carolina as a whole.
At a glance
Average income
near the US median
US median: $82,259
Mid-age
median age 40.3
US median: 38.9
More educated
39% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 11,039 in 2000
12,204 in 2025 (Census Bureau estimate)
1,681 / sq mi
+2%since 2009
from 1,653 / sq mi in 2009
US average: 281
from 34.2 in 2000
US average: 38.9
Population, 1990 – 2024
11K 11K 12K 12K 12K 1990 2000 2010 2020 2024 Irmo Age distribution, 2024
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Section 02
Income & economy $80,489
−21%inflation adjusted, since 2000
from $55,847 in 2000
US average: $82,259
from $22,312 in 2000
US average: $44,673
Households earning $100K+
from 31.9% in 2009
US average: 53.3%
from 4.3% in 2000
US average: 12.5%
from 0.356 in 2010
US average: 0.476
Workforce by industry, 2024
Public administration 8.7%
Professional, scientific, technical 6.2%
Transportation & warehousing 2.1%
Arts, entertainment, food 0.9%
Education & health services 0.3%
Agriculture, forestry, fishing 0%
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$203,400
+19%inflation adjusted, since 2000
from $93,700 in 2000
US average: $376,019
$1,477
+9%inflation adjusted, since 2000
from $747 in 2000
US average: $1,442
from 85.6% in 2000
18.4% rent
from 7.8% in 2009
US average: 10.0%
from 2.63 people in 2009
US average: 2.54
from 24.4% in 2009
US average: 22.9%
from 35.9% in 2009
US average: 47.4%
from 2.1 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 75.8%(8,370)
Hispanic / Latino 1.4%(157)
2024
White, non-Hispanic 58.1%(6,868)
Hispanic / Latino 5.6%(667)
from 57 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 13 more ancestry groups with data from 39.2% in 2000
US average: 35.6%
High school or higher
from 91.9% in 2000
US average: 89.6%
from 11.7% in 2000
US average: 14.0%
Section 06
Commute & transportation from 15.5 min in 2000
US average: 26.5
from 84.7% in 2009
US average: 68.9%
from 9.8% in 2009
US average: 8.5%
from 0.2% in 2009
US average: 3.2%
from 3.6% in 2009
US average: 15.0%
from 0.7% in 2009
US average: 2.4%
from 0.3% in 2009
US average: 0.4%
from 2.9% in 2009
US average: 8.3%
Section 07
Work & employment from 6.1% in 2011
US average: 5.2%
from 74.1% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 76.1% in 2020
US average: 74.6%
from 14.9% in 2009
US average: 13.1%
from 40.5% in 2009
US average: 42.5%
Section 08
People & community from 2.4% in 2009
US average: 14.1%
from 14.5% in 2009
US average: 6.2%
from 9.5% in 2012
US average: 13.3%
from 17.3% in 2013
US average: 8.4%
from 88.7% in 2017
US average: 91.0%
Computer in household
from 96.8% in 2020
US average: 95.5%
from 84.2% in 2020
US average: 87.7%
from 95.7% in 2016
US average: 77.7%
from 1.7% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 40.7%(1,973)
Women 15+
Never married 35.2%(1,763)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 17.3% in 2013
US average: 8.4%
from 61.9% in 2020
US average: 54.8%
Direct-purchase
from 12.4% in 2020
US average: 13.8%
from 16.4% in 2020
US average: 18.4%
from 13.8% in 2020
US average: 20.9%
VA health care
from 2.5% in 2020
US average: 2.2%
Any private
from 73.5% in 2020
US average: 67.1%
Any public
from 29.0% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 26.7%(209)
Gulf War (1990s) 29.9%(234)
Share of the 783 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Irmo Head to head
Compare Irmo to nearby cities IRMO VS
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Frequently asked
How many people live in Irmo, South Carolina? Irmo, South Carolina has about 11,813 residents according to the 2024 American Community Survey.
What is the median household income in Irmo, South Carolina? The typical household in Irmo, South Carolina earns about $80,489 a year. Half of households make more than that, and half make less.
Is Irmo, South Carolina expensive? In Irmo, South Carolina, the median home is worth about $203,400, and the typical rent is about $1,477 a month.
How educated are people in Irmo, South Carolina? About 39.2% of adults age 25 and over in Irmo, South Carolina hold a bachelor's degree or higher.
What is the poverty rate in Irmo, South Carolina? About 9.2% of people in Irmo, South Carolina live below the federal poverty line.
Has Irmo, South Carolina grown since 1990? Yes, Irmo, South Carolina has grown since 1990. The population has added about 533 residents, a change of about 5 percent over that period.
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