Irmo

County:: Richland County
County Seat:: No
Area (mi²):: 7.027
State:: South Carolina

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.

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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	7,233	61.3%
Black or African American	3,508	29.73%
Two or more races	658	5.58%
Asian	292	2.47%
Other race	105	0.89%
Native American	3	0.03%
Native Hawaiian or Pacific Islander	0	0%

Irmo Marital Status

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