| Official Name: | Irmo, South Carolina |
| Named For: | C.J. Iredell and H.C. Mosely[1] |
| Settlement Type: | Town |
| Motto: | "Gateway to Lake Murray and Home of the Okra Strut" |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | Counties |
| Subdivision Name: | United States |
| Subdivision Name1: | South Carolina |
| Subdivision Name2: | Lexington, Richland |
| Leader Title: | Mayor |
| Leader Name: | Bill Danielson |
| Leader Title1: | Town Administrator |
| Leader Name1: | Courtney Dennis |
| Established Title: | Incorporated |
| Established Date: | December 24, 1890 |
| Area Total Km2: | 17.77 |
| Area Land Km2: | 17.77 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 11569 |
| Population Density Km2: | 641.10 |
| Timezone: | EST |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 358 |
| Coordinates: | 34.0861°N -81.1831°W |
| Area Total Sq Mi: | 6.86 |
| Area Land Sq Mi: | 6.86 |
| Area Water Sq Mi: | 0.00 |
| Postal Code Type: | ZIP code |
| Postal Code: | 29063 |
| Area Code: | 803, 839 |
| Blank Name: | FIPS code |
| Blank Info: | 45-35890[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1231420 |
| Blank2 Name: | Demonym |
| Blank2 Info: | Irmite |
| Unit Pref: | Imperial |
| Area Footnotes: | [3] |
| Population Density Sq Mi: | 1660.54 |
Irmo is a town in Lexington and Richland counties, South Carolina, United States and a suburb of Columbia. It is part of the Columbia Metropolitan Statistical Area and is located northwest of the city center. The population of Irmo was 11,097 at the 2010 census.[4]
Irmo was chartered on Christmas Eve in 1890 in response to the opening of the Columbia, Newberry and Laurens Railroad. The name of Irmo was the result of combining the names of Captain C.J. Iredell and Henry Moseley, two important figures in the founding of the town.
According to the United States Census Bureau, the town has a total area of 6.86mi2, all land.[3]
| White (non-Hispanic) | 6,466 | 55.89% | |
| Black or African American (non-Hispanic) | 3,518 | 30.41% | |
| Native American | 42 | 0.36% | |
| Asian | 241 | 2.08% | |
| Pacific Islander | 29 | 0.25% | |
| Other/Mixed | 610 | 5.27% | |
| Hispanic or Latino | 663 | 5.73% |
As of the census of 2000, there are 11,039 people, 3,911 households, and 3,163 families residing in the town. The population density is 1,032.0/km² (2,670.2/mi²). There are 4,066 housing units at an average density of 380.1/km² (983.5/mi²). The racial makeup of the town is 76.76% White, 20.16% African American, 0.25% Native American, 1.43% Asian, 0.08% Pacific Islander, 0.44% from other races, and 0.88% from two or more races. 1.42% of the population are Hispanic or Latino of any race.
There were 3,911 households, out of which 47.7% had children under the age of 18 living with them, 65.9% were married couples living together, 12.0% had a female householder with no husband present, and 19.1% were non-families. 15.4% of all households were made up of individuals, and 2.6% had someone living alone who was 65 years of age or older. The average household size was 2.81 and the average family size was 3.15.
In the town, the population was spread out, with 30.7% under the age of 18, 6.6% from 18 to 24, 34.6% from 25 to 44, 23.3% from 45 to 64, and 4.8% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 93.6 males. For every 100 females age 18 and over, there were 88.7 males.
The median income for a household in the town was $55,847, and the median income for a family was $62,005. Males had a median income of $41,054 versus $30,171 for females. The per capita income for the town was $22,312. About 3.3% of families and 4.3% of the population were below the poverty line, including 4.4% of those under age 18 and 11.6% of those age 65 or over.
The Okra Strut is an annual festival started in 1973 as a fundraising effort for a new library. Named for the okra plant, events have included a charity golf tournament, street dance, live entertainment, a midway, cycling and running competitions, arts and crafts exhibits, and a parade.[6]
The Jacob Wingard Dreher House is listed on the National Register of Historic Places.
Irmo has two public libraries, a branch of the Lexington County Public Library[7] and a branch of the Richland County Public Library.
As of December 2023, the town council includes:[8]
A town administrator, responsible primarily for the efficient operation of the town government, is appointed by the town council.[9]
Irmo Elementary serves grades K-5.[10]
Crossroads Intermediate School serves grade 6.
Irmo Middle School serves grades 6-8.
Irmo High School serves grades 9-12.
Dutch Fork Middle School serves grades 7-8
Dutch Fork High School serves Grades 9-12.