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Irmo, South Carolina facts for kids

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Irmo, South Carolina
"Gateway to Lake Murray and Tree City USA"
Location in Richland County and the state of South Carolina.
Location in Richland County and the state of South Carolina.
Country United States
State South Carolina
Counties Lexington, Richland
 • Total 6.3 sq mi (16.2 km2)
 • Land 6.3 sq mi (16.2 km2)
 • Water 0 sq mi (0 km2)
354 ft (108 m)
 • Total 11,097
 • Density 1,774/sq mi (685.0/km2)
Time zone UTC-5 (EST)
 • Summer (DST) UTC-4 (EDT)
ZIP code
Area code(s) 803
FIPS code 45-35890
GNIS feature ID 1231420
Demonym Irmite

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 12 miles (19 km) northwest of the city center. The population of Irmo was 11,097 at the 2010 census.


Irmo is located at 34°05′33″N 81°11′10″W / 34.092629°N 81.186073°W / 34.092629; -81.186073 (34.092629, -81.186073).

According to the United States Census Bureau, the town has a total area of 6.3 square miles (16.2 km2), all land.


Historical population
Census Pop.
1900 193
1910 267 38.3%
1920 236 −11.6%
1930 365 54.7%
1940 230 −37.0%
1950 281 22.2%
1960 359 27.8%
1970 517 44.0%
1980 3,957 665.4%
1990 11,280 185.1%
2000 11,039 −2.1%
2010 11,097 0.5%
Est. 2015 12,056 8.6%
U.S. Decennial Census

As of the census of 2000, there were 11,039 people, 3,911 households, and 3,163 families residing in the town. The population density was 2,670.2 people per square mile (1,032.0/km2). There were 4,066 housing units at an average density of 983.5 per square mile (380.1/km2). The racial makeup of the town was 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. Hispanic or Latino of any race were 1.42% of the population.

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.


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. Despite the town's growth, Irmo does not have an actual downtown area. Rather, it consists of several clusters of suburban neighborhoods. Columbiana Centre mall was built in 1990, which led to the growth of the Harbison area.

The Jacob Wingard Dreher House was listed on the U.S. National Register of Historic Places in 1983.


Irmo is home to the annual Okra Strut, a festival and parade. The festival was spawned in 1973 when the Lake Murray-Irmo Women's Club were trying to find a way to raise money for a new Irmo Public Library. Gene McKay, a news anchor and radio personality for WIS, the NBC affiliate in Columbia, came up with the idea to have a festival based on okra. It started out as a modest arts and crafts sale held in Seven Oaks Park, during which the women also sold okra. By 1978, it had grown into a full-fledged festival with rides, food, and dancing, and even pets/farm animals. By 1980, proceeds from the Okra Strut had gained enough money to pay for the Irmo Town Library. Attendance for the 2010 festival was said to be in excess of 50,000. The 2011 Irmo Okra Strut Festival was held at the Irmo Village shopping center on Friday, September 23 and Saturday, 24, 2011.

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