Irmo Flag

Irmo

County:
Richland County
County Seat:
No
Area (mi²):
7.027

Irmo is a town located in Richland County, South Carolina. Irmo has a 2025 population of 12,315. Irmo is currently growing at a rate of 1.16% annually and its population has increased by 6.08% since the most recent census, which recorded a population of 11,609 in 2020.

The average household income in Irmo is $100,288 with a poverty rate of 8.08%.The median age in Irmo is 39.5 years: 35.8 years for males, and 40.6 years for females.

12.3K
Total Population
1,752
Density (mi²)
141 1.16%
Growth

Irmo Population

Irmo Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Irmo includes 61.3% White, 29.73% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White7,23361.3%
Black or African American3,50829.73%
Two or more races6585.58%
Asian2922.47%
Other race1050.89%
Native American30.03%

Irmo Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Irmo's average per capita income is $49,043. Household income levels show a median of $85,137. The poverty rate stands at 8.08%.

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$113,598-
Families$95,761$112,858
Households$85,137$100,288
Non Families$49,881$65,107

$49,043

Average Income

$85,137

Median Household Income

8.08%

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)