Irmo is a city located in Lexington County and Richland County South Carolina. Irmo has a 2024 population of 12,274. Irmo is currently growing at a rate of 1.37% annually and its population has increased by 5.72% since the most recent census, which recorded a population of 11,610 in 2020.
The average household income in Irmo is $87,005 with a poverty rate of 6.58%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Irmo is 39.2 years, 35.5 years for males, and 40.9 years for females.
According to the most recent ACS, the racial composition of Irmo was:
White
Black or African American
Asian
Two or more races
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 4,641 | 2.51 | 79.5 | 20.5 |
| Married | 2,481 | 2.97 | 86.2 | 13.8 |
| Non Family | 1,283 | 1.28 | 83.6 | 16.4 |
| Female | 615 | 3.41 | 62.8 | 37.2 |
| Male | 262 | 2.05 | 35.9 | 64.1 |
2.92
Average Family Size
2.51
Average Household Size
79.5%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
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%.
All
Male
Female
$45,684
Average Earnings
$52,319
Average Male
$41,091
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
6.58%
Overall Poverty Rate
5.99%
Male Poverty Rate
7.15%
Female Poverty Rate
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%.
Married
Widowed
Divorced
Separated
NeverMarried
53.5%
Overall Marriage Rate
55.9%
Male Marriage Rate
51.3%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0.82%
Veteran Poverty Rate
44.59%
Veteran Disability Rate
LaborForceParticipation
68.3%
Labor Force Participation
64.7%
Employment Rate
4.6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
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.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 13,104 | 166 | 1.28% |
| 2028 | 12,938 | 166 | 1.3% |
| 2027 | 12,772 | 166 | 1.32% |
| 2026 | 12,606 | 166 | 1.33% |
| 2025 | 12,440 | 166 | 1.35% |
| 2024 | 12,274 | 166 | 1.37% |
| 2023 | 12,108 | 166 | 1.39% |
| 2022 | 11,942 | 157 | 1.33% |
| 2021 | 11,785 | 175 | 1.51% |
| 2020 | 11,610 | -917 | -7.32% |
| 2019 | 12,527 | 132 | 1.06% |
| 2018 | 12,395 | 139 | 1.13% |
| 2017 | 12,256 | 159 | 1.31% |
| 2016 | 12,097 | 116 | 0.97% |
| 2015 | 11,981 | 162 | 1.37% |
| 2014 | 11,819 | 162 | 1.39% |
| 2013 | 11,657 | 182 | 1.59% |
| 2012 | 11,475 | 168 | 1.49% |
| 2011 | 11,307 | 140 | 1.25% |
| 2010 | 11,167 | 128 | 1.16% |
| 2000 | 11,039 | -241 | -2.14% |
| 1990 | 11,280 | 7,323 | 185.06% |
| 1980 | 3,957 | 3,457 | 691.4% |
| 1970 | 500 | 100 | 25% |
| 1960 | 400 | 200 | 100% |
| 1940 | 200 | 0 | 0% |