Irmo, South Carolina Population 2021

12,719
map placeholder

Irmo is a city located in Richland County South Carolina. With a 2020 population of 12,719, it is the 35th largest city in South Carolina and the 2602nd largest city in the United States . Irmo is currently growing at a rate of 0.94% annually and its population has increased by 14.62% since the most recent census, which recorded a population of 11,097 in 2010. Irmo reached it's highest population of in . Spanning over 7 miles, Irmo has a population density of 1,857 people per square mile.

The average household income in Irmo is $77,667 with a poverty rate of 9.09%. The median rental costs in recent years comes to $1,126 per month, and the median house value is $125,000. The median age in Irmo is 38.7 years, 36.2 years for males, and 40.5 years for females.

Irmo Demographics

According to the most recent ACS, the racial composition of Irmowas:

  • White: 60.88%
  • Black or African American: 33.89%
  • Two or more races: 2.73%
  • Asian: 1.31%
  • Other race: 1.19%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Irmo, South Carolina is 12,719 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 12,483.The last official US Census in 2010 recorded the population at 11,097.

Irmo, South Carolina Population 2021

Population by Race

Race Population Percentage
White7,43760.88%
Black or African American4,14033.89%
Two or More Races3332.73%
Asian1601.31%
Some Other Race1451.19%
Loading...

Irmo Population by Race

Irmo Population Pyramid $2021

Loading...

Irmo Median Age

38.7


Total

36.2


Male

40.5


Female

Irmo Adults

There are 9,632 adults, (1,803 of whom are seniors) in Irmo.

Irmo Age Dependency

56

Age Dependency Ratio

23

Old Age Dependency Ratio

33

Child Dependency Ratio

Irmo Sex Ratio

Female

6,563

53.73%

Male

5,652

46.27%

Irmo Population by Age

Irmo Renter vs Owner Occupied by Household Type

map placeholder

Irmo Household Types

Type Owner Renter
Female46.8%53.2%
Male53.7%46.3%
Non Family71.7%28.3%
All76.2%23.8%
Married85.9%14.1%

76.2%

Rate of Home Ownership

Irmo Households and Families

Type Count Average Size Owned
All4,6862.676.2
Married2,6293.1485.9
Non Family1,3591.171.7
Female5343.6146.8
Male1643.1353.7

3.17

Average Family Size

2.6

Average Household Size

Loading...

Irmo Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade1611.88%
9th to 12th Grade3954.60%
High School Graduate1,65019.23%
Some College2,37027.62%
Associates Degree8069.39%
Bachelors Degree1,96222.87%
Graduate Degree1,23614.41%
Loading...

Irmo Educational Attainment by Sex (over 25)

Irmo Educational Attainment by Race

Loading...
Race Total High School Bachelors
White5,6975,4732,206
Black2,4262,168863
Hispanic23623664
2+ Races16114165
Asian752115
Other Race666627

The highest rate of high school graduation is among other race people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 40.91%.

Irmo Educational Attainment by Race

Loading...
Name Average Male Female
Overall$40,816$45,083$38,142
Less Than 9th Grade$25,417$$26,125
High School Graduate$24,444$35,954$20,963
Some College$39,780$41,887$35,781
Bachelors Degree$41,727$64,500$38,659
Graduate Degree$56,625$58,990$54,055

$40,816

Average Earnings

$45,083

Average Male

$38,142

Average Female

Irmo Earnings by Educational Attainment

Irmo Language by Age

Loading...

Irmo Language

95.54% of Irmo residents speak only English, while 4.46% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.21% of the population.

Irmo Language

Irmo Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
Black4,13173417.77%
White7,2293604.98%
Multiple333154.50%

9.09%

Overall Poverty Rate

6.16%

Male Poverty Rate

11.60%

Female Poverty Rate

Poverty in Irmo

The race most likely to be in poverty in Irmo is Black, with 17.77% below the poverty level.

The race least likely to be in poverty in Irmo is Multiple, with 4.50% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.14%. Among those working part-time, it was 15.91%, and for those that did not work, the poverty rate was 15.23%.

Irmo Poverty

Loading...
Name Poverty
Less Than 9th Grade15.83%
High School15.21%
Some College4.63%
Bachelors or Greater1.63%

Irmo Poverty Rate by Education

Loading...
Rate Poverty
Female Unemployed29.14%
Male Unemployed24.06%
Female Employed5.41%
Male Employed3.89%

Irmo Poverty Rate by Employment Status and Sex

Irmo Income by Household Type

Loading...
Name Median Mean
Households$66,313$77,667
Families$75,058$83,279
Married Families$84,656-
Non Families$45,901$55,428
Loading...

Income by Household Type

Irmo Marital Status

map placeholder

Marriage Rates

55.7%

Overall Marriage Rate

59.5%

Male Marriage Rate

52.3%

Female Marriage Rate

Irmo Married by Age and Sex

Loading...

Irmo Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Irmo Marital Status by Race

map placeholder

Irmo Marital Status

Loading...

1,219

Number of Veterans

1,097

Male Veterans

122

Female Veterans

War Veterans
Vietnam401
First Gulf War367
Second Gulf War251
World War II61
Korea19

Irmo Veterans by War

Loading...
Age Group Veterans
35 to 54374
65 to 74301
75+222
55 to 64216
18 to 34106

Irmo Veterans by Age

Loading...
Name Veterans % of Total
White97615.56%
Black2006.81%
Hispanic5318.21%
Other Race2732.93%
2+ Races168.38%

Irmo Veterans by Race

Irmo Veterans by Education

Loading...

5.50%

Veteran Poverty Rate

29.20%

Veteran Disability Rate

Irmo Veterans by Education

Loading...

71.3%

Labor Force Participation

65.3%

Employment Rate

8.1%

Unemployment Rate

Irmo Employment by Age

Loading...

Irmo Employment by Race

Loading...

Irmo Employment by Education

Origin of Non-Citizens

Loading...

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Loading...

54.45%

Born in Irmo

97.78%

Native Born

2.22%

Foreign Born

1.05%

Non Citizen

1.17%

Naturalized

Place of Birth

97.78% of Irmo residents were born in the United States, with 54.45% having been born in South Carolina. 1.05% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Irmo Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202112,7191180.94%
202012,6011180.95%
201912,4831180.95%
201812,3651291.05%
201712,2361591.32%
201612,0771130.94%
201511,9641551.31%
201411,8091621.39%
201311,6471781.55%
201211,4691681.49%
201111,3011351.21%
201011,1661270.11%
200011,039-241-0.22%
199011,2807,32311.04%
19803,9573,45722.98%
19705001002.26%
19604002003.53%
19402000.00%

Irmo Population by Year