Irmo town, South Carolina demographics
Population: 11,581
Median age: 39.6
Median household income: 81,380
Irmo is a town in Lexington County and Richland County, South Carolina, United States.
Demographics, population, home values, social and economic characteristics of Irmo town, SC.
Population
| 2021 | 11,581 |
| 2020 | 12,397 |
| 2019 | 12,215 |
| 2018 | 12,087 |
| 2017 | 11,950 |
| 2016 | 11,851 |
| 2015 | 11,704 |
| 2014 | 11,518 |
| 2013 | 11,366 |
| 2012 | 11,221 |
| 2011 | 11,147 |
| 2010 | 11,085 |
| 2009 | 11,616 |
Census data for Irmo town, South Carolina
Demographic and housing estimates in Irmo town, South Carolina
| Total population | 11,581 |
| Male | 5,308 |
| Female | 6,273 |
| Total population | 11,581 |
| Under 5 years | 475 |
| 5 to 9 years | 781 |
| 10 to 14 years | 568 |
| 15 to 19 years | 735 |
| 20 to 24 years | 517 |
| 25 to 34 years | 2,036 |
| 35 to 44 years | 1,283 |
| 45 to 54 years | 1,476 |
| 55 to 59 years | 1,368 |
| 60 to 64 years | 580 |
| 65 to 74 years | 1,020 |
| 75 to 84 years | 581 |
| 85 years and over | 161 |
| Median age (years) | 39.6 |
| Under 18 years | 2,357 |
| 16 years and over | 9,462 |
| 18 years and over | 9,224 |
| 21 years and over | 8,964 |
| 62 years and over | 2,124 |
| 65 years and over | 1,762 |
| Total population | 11,581 |
| One race | 11,169 |
| White | 7,744 |
| Black or African American | 2,959 |
| American Indian and Alaska Native | 3 |
| Asian | 446 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 17 |
| Two or more races | 412 |
| Citizen, VOTING AGE 18 and over population | 9,018 |
| Male Citizen, VOTING AGE 18 and over population | 4,272 |
| Female Citizen, VOTING AGE 18 and over population | 4,746 |
Social characteristics in Irmo town, South Carolina
| Total households | 4,567 |
| Family households (families) | 2,690 |
| Married-couple family | 230 |
| Male householder, no wife present, family | 435 |
| Female householder, no husband present, family | 221 |
| Nonfamily households | 1,212 |
| Average household size | 1,311 |
| Average family size | 2.53 |
Economic characteristics in Irmo town, South Carolina
| Total households | 4,567 |
| Less than $10,000 | 122 |
| $10,000 to $14,999 | 30 |
| $15,000 to $24,999 | 252 |
| $25,000 to $34,999 | 294 |
| $35,000 to $49,999 | 585 |
| $50,000 to $74,999 | 710 |
| $75,000 to $99,999 | 953 |
| $100,000 to $149,999 | 853 |
| $150,000 to $199,999 | 242 |
| $200,000 or more | 526 |
| Median household income (dollars) | 81,380 |
Housing characteristics in Irmo town, South Carolina
| Total housing units | 4,872 |
| Occupied housing units | 4,567 |
| Vacant housing units | 305 |
| Total housing units | 4,872 |
| 1-unit, detached | 4,467 |
| 1-unit, attached | 172 |
| 2 units | 96 |
| 3 or 4 units | 16 |
| 5 to 9 units | 18 |
| 10 to 19 units | 0 |
| 20 or more units | 63 |
| Mobile home | 40 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 4,872 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 607 |
| Built 2000 to 2009 | 388 |
| Built 1990 to 1999 | 337 |
| Built 1980 to 1989 | 1,854 |
| Built 1970 to 1979 | 1,522 |
| Built 1960 to 1969 | 149 |
| Built 1950 to 1959 | 0 |
| Built 1940 to 1949 | 9 |
| Built 1939 or earlier | 6 |
| Total housing units | 4,872 |
| 1 room | 28 |
| 2 rooms | 64 |
| 3 rooms | 88 |
| 4 rooms | 272 |
| 5 rooms | 1,086 |
| 6 rooms | 1,129 |
| 7 rooms | 641 |
| 8 rooms | 544 |
| 9 rooms or more | 1,020 |
| Median rooms | 6.3 |
| Total housing units | 4,872 |
| No bedroom | 28 |
| 1 bedroom | 76 |
| 2 bedrooms | 464 |
| 3 bedrooms | 3,306 |
| 4 bedrooms | 938 |
| 5 or more bedrooms | 60 |
| Occupied housing units | 4,567 |
| Owner-occupied | 3,679 |
| Renter-occupied | 888 |
| Average household size of owner-occupied unit | 2.40 |
| Average household size of renter-occupied unit | 3.07 |
| Occupied housing units | 4,567 |
| Moved in 2017 or later | 722 |
| Moved in 2015 to 2016 | 983 |
| Moved in 2010 to 2014 | 742 |
| Moved in 2000 to 2009 | 1,023 |
| Moved in 1990 to 1999 | 668 |
| Moved in 1989 and earlier | 429 |
| Owner-occupied units | 3,679 |
| Less than $50,000 | 0 |
| $50,000 to $99,999 | 384 |
| $100,000 to $149,999 | 1,342 |
| $150,000 to $199,999 | 983 |
| $200,000 to $299,999 | 593 |
| $300,000 to $499,999 | 52 |
| $500,000 to $999,999 | 243 |
| $1,000,000 or more | 82 |
| Median (dollars) | 154,000 |
| Owner-occupied units | 3,679 |
| Housing units with a mortgage | 2,654 |
| Housing units without a mortgage | 1,025 |
| Occupied units paying rent | 863 |
| Less than $500 | 31 |
| $500 to $999 | 70 |
| $1,000 to $1,499 | 526 |
| $1,500 to $1,999 | 236 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 1,303 |
| No rent paid | 25 |
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