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 12,383. Irmo is currently growing at a rate of 1.22% annually and its population has increased by 7.76% since the most recent census, which recorded a population of 11,491 in 2020.

The median household income in Irmo is $80,489 with a poverty rate of 9.15%. The median age in Irmo is 40.3 years: 37.3 years for males, and 41.1 years for females. For every 100 females there are 99.8 males.

12.4K
Total Population
1,813
Density (mi²)
149 1.22%
Growth

Irmo Population

Irmo Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202612,3831491.22%
202512,2341481.22%
202412,0861561.31%
202311,9301050.89%
202211,8251551.33%
202111,6702251.97%
202011,491-1,036-8.27%
201912,5271321.06%
201812,3951391.13%
201712,2561591.31%
201612,0971160.97%
201511,9811621.37%
201411,8191621.39%
201311,6571821.59%
201211,4751681.49%
201111,3071401.25%
201011,167700.63%
200011,039-241-2.14%
199011,2807,323185.06%
19803,9573,457691.4%
197050010025%
1960400200100%
194020000%

Median Age

Overall: 40.3 years
Female: 41.1 years
Male: 37.3 years

Irmo Adults

There are 9,112 adults, (1,834 of whom are seniors) in Irmo.

Sex Ratio

Female: 5,912 (50%)
Male: 5,901 (50%)

Demographics

The racial composition of Irmo includes 58.22% White, 27.83% Black or African American, 4.27% Asian, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White6,87758.22%
Black or African American3,28727.83%
Two or more races9217.8%
Asian5044.27%
Other race2221.88%
Native American20.02%
Race
Population ↓
Percentage (of total)
Two or more races3943.34%
Other race2111.79%
Black or African American530.45%
White90.08%
Race
Population ↓
Percentage (of total)
White6,86858.14%
Black or African American3,23427.38%
Two or more races5274.46%
Asian5044.27%
Other race110.09%
Native American20.02%

Irmo Marital Status

Economics and Income Statistics

Irmo 's average per capita income is $51,181. Household income levels show a median of $80,489. The poverty rate stands at 9.15%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$126,350-
Families$97,524$116,518
Households$80,489$105,182
Non Families$56,524$74,111

$51,181

Average Income

$80,489

Median Household Income

9.15%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)