Irmo, South Carolina Population 2024

12,174

Irmo is a town located in Lexington County and Richland County South Carolina. Irmo has a 2024 population of 12,174. Irmo is currently growing at a rate of 1.17% annually and its population has increased by 4.87% since the most recent census, which recorded a population of 11,609 in 2020.

The average household income in Irmo is $87,005 with a poverty rate of 6.58%. The median age in Irmo is 39.2 years: 35.5 years for males, and 40.9 years for females.

Irmo Demographics

According to the most recent ACS, the racial composition of Irmo was:

  • White: 62.7%
  • Black or African American: 29.12%
  • Asian: 4.24%
  • Two or more races: 3.77%
  • Other race: 0.14%
  • Native American: 0.03%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
7.0 sq mi
Density (mi²)
1,732.40/sq mi
Growth Since 2020
4.87% (565)
The current population of Irmo, South Carolina is 12,174 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 11,609.

Population by Race

Race
Population
Percentage (of total)
White7,32762.7%
Black or African American3,40329.12%
Asian4954.24%
Two or more races4403.77%
Other race160.14%
Native American40.03%
Native Hawaiian or Pacific Islander00%

White

Black or African American

Asian

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Irmo Population by Race

Irmo Population Pyramid 2024

Irmo Median Age

39.2

Total

35.5

Male

40.9

Female

Irmo Adults

There are 9,100 adults, (1,958 of whom are seniors) in Irmo.

Irmo Age Dependency

63.6

Age Dependency Ratio

27.4

Old Age Dependency Ratio

36.2

Child Dependency Ratio

Irmo Sex Ratio

Female6,00551.39%
Male5,68048.61%

Irmo Population by Age

Irmo Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4,6412.5179.520.5
Married2,4812.9786.213.8
Non Family1,2831.2883.616.4
Female6153.4162.837.2
Male2622.0535.964.1

2.92

Average Family Size

2.51

Average Household Size

79.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Irmo Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2783.41%
Associates Degree1,19114.62%
Bachelors Degree1,88423.13%
Graduate Degree91111.19%
High School Graduate1,70520.94%
Less Than 9th Grade2152.64%
Some College1,96024.07%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Irmo Educational Attainment by Sex (over 25)

Irmo Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White5,4845,3591,776
Black2,1581,900859
Asian22313660
2+ Races19818485
Hispanic14011743
Other Race1670
Native American444

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 100%.

Irmo Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$58,295$72,541$40,331
Graduate Degree$59,375$53,750$59,583
High School Graduate$32,353$39,416$24,250
Less Than 9th Grade$33,397$33,397$0
Overall$45,684$52,319$41,091
Some College$46,106$49,241$42,325

$45,684

Average Earnings

$52,319

Average Male

$41,091

Average Female

Irmo Earnings by Educational Attainment

Irmo Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Irmo Language

92.54% of Irmo residents speak only English, while 7.46% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 3.46% of the population.

Irmo Language

Irmo Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White7,2354205.81%
Black3,3982758.09%
Multiple4406414.55%
Asian495102.02%

6.58%

Overall Poverty Rate

5.99%

Male Poverty Rate

7.15%

Female Poverty Rate

Poverty in Irmo

The race most likely to be in poverty in Irmo is Multiple, with 14.55% below the poverty level.

The race least likely to be in poverty in Irmo is Asian, with 2.02% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.77%. Among those working part-time, it was 4.63%, and for those that did not work, the poverty rate was 12.11%.

Irmo Poverty

rate

Rate
Poverty
Some College5.84%
High School5.63%
Bachelors or Greater5.33%
Less Than 9th Grade5.27%

Irmo Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed21.43%
Male Unemployed15.23%
Female Employed2.88%
Male Employed2.16%

Irmo Poverty Rate by Employment Status and Sex

Irmo Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$85,205$93,630
Households$77,656$87,005
Married Families$93,838$-999,999,999
Non Families$47,267$65,527

mean

median

Income by Household Type

Irmo Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.5%

Overall Marriage Rate

55.9%

Male Marriage Rate

51.3%

Female Marriage Rate

Irmo Married by Age and Sex

male

female

Irmo Marriage

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

Irmo Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Irmo Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

850

Number of Veterans

758

Male Veterans

92

Female Veterans

War
Veterans
Vietnam321
First Gulf War285
Second Gulf War181
World War II53
Korea36

Irmo Veterans by War

count

Age Group
Veterans
35 to 54272
75+242
65 to 74224
55 to 6482
18 to 3430

Irmo Veterans by Age

count

Name
Veterans
% of Total
White5870.10061707233459033
Black2420.09296965040338072
Hispanic320.1839080459770115
2+ Races140.06060606060606061
Other Race70.4375

Irmo Veterans by Race

Irmo Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0.82%

Veteran Poverty Rate

44.59%

Veteran Disability Rate

Irmo Veterans by Education

LaborForceParticipation

68.3%

Labor Force Participation

64.7%

Employment Rate

4.6%

Unemployment Rate

Irmo Employment by Age

LaborForceParticipation

Irmo Employment by Race

LaborForceParticipation

Irmo Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

53.77%

Born in Irmo

95.16%

Native Born

4.84%

Foreign Born

2.1%

Non Citizen

2.74%

Naturalized

Place of Birth

95.16% of Irmo residents were born in the United States, with 53.77% having been born in South Carolina. 2.1% 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: data after 2022 is projected based on recent change

26 Rows

Year
Population
Growth
Change
202912,8811421.11%
202812,7391411.12%
202712,5981411.13%
202612,4571421.15%
202512,3151411.16%
202412,1741411.17%
202312,033920.77%
202211,9411531.3%
202111,7881791.54%
202011,609-918-7.33%
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%
201011,16700%
200011,039-241-2.14%
199011,2807,323185.06%
19803,9573,457691.4%
197050010025%
1960400200100%
1940200-12,681-98.45%

Irmo Population by Year