Irmo, SC Demographics

A map of Irmo's Population by Race

Irmo, South Carolina had a population of 11,569 in 2020. It was 55.9% White, 30.4% Black, 2.1% Asian, 5.7% Hispanic, 1.3% Native American/Other, and 4.6% Multiracial. This map presents the population of Irmo, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 475 places in South Carolina, Irmo is the 54th most populous. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs).

Irmo's White Population

6,466 residents of Irmo identify as White, or 55.9%. This makes the White share of the population of Irmo slightly less than the White share of the population of South Carolina (62.1% White). Of the 475 places in South Carolina, Irmo is ranked #272 in terms of White residents as a share of the population.

Irmo is more White than neighboring Seven Oaks (50.6% White), and St. Andrews (23.2% White). Irmo is less White than neighboring Lake Murray of Richland (84.8% White), Lexington (71.5% White), and Oak Grove (69% White).

Irmo's Black Population

3,518 residents of Irmo identify as Black, or 30.4%. This makes the Black share of the population of Irmo slightly larger than the Black share of the population of South Carolina (24.8% Black). Of the 475 places in South Carolina, Irmo is ranked #208 in terms of Black residents as a share of the population.

Irmo is more Black than neighboring Lake Murray of Richland (5.7% Black), Lexington (11.3% Black), and Oak Grove (12.2% Black). Irmo is less Black than neighboring Seven Oaks (35.6% Black), and St. Andrews (64.6% Black).

Irmo's Asian Population

241 residents of Irmo identify as Asian, or 2.1%. This makes the Asian share of the population of Irmo roughly similar to the Asian share of the population of South Carolina (1.7% Asian). Of the 475 places in South Carolina, Irmo is ranked #62 in terms of Asian residents as a share of the population.

Irmo is more Asian than neighboring Oak Grove (1.9% Asian). Irmo is less Asian than neighboring Lake Murray of Richland (2.6% Asian), Seven Oaks (3% Asian), St. Andrews (2.8% Asian), and Lexington (6.7% Asian).

Irmo's Hispanic Population

663 residents of Irmo identify as Hispanic, or 5.7%. This makes the Hispanic share of the population of Irmo roughly similar to the Hispanic share of the population of South Carolina (6.9% Hispanic). Of the 475 places in South Carolina, Irmo is ranked #157 in terms of Hispanic residents as a share of the population.

Irmo is more Hispanic than neighboring Lake Murray of Richland (3.1% Hispanic), Seven Oaks (5.4% Hispanic), and St. Andrews (4.7% Hispanic). Irmo is less Hispanic than neighboring Lexington (6% Hispanic), and Oak Grove (11.4% Hispanic).

Irmo's Native American/Other Population

145 residents of Irmo identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.3%. This makes the Native American/Other share of the population of Irmo roughly similar to the Native American/Other share of the population of South Carolina (0.8% Native American/Other). Of the 475 places in South Carolina, Irmo is ranked #49 in terms of Native American/Other residents as a share of the population.

Irmo is more Native American/Other than neighboring Lake Murray of Richland (0.4% Native American/Other), Seven Oaks (1.1% Native American/Other), St. Andrews (0.7% Native American/Other), Lexington (0.6% Native American/Other), and Oak Grove (0.7% Native American/Other).

Irmo's Multiracial Population

536 residents of Irmo identify as Multiracial, or 4.6%. This makes the Multiracial share of the population of Irmo roughly similar to the Multiracial share of the population of South Carolina (3.7% Multiracial). Of the 475 places in South Carolina, Irmo is ranked #103 in terms of Multiracial residents as a share of the population.

Irmo is more Multiracial than neighboring Lake Murray of Richland (3.4% Multiracial), Seven Oaks (4.3% Multiracial), St. Andrews (3.9% Multiracial), and Lexington (3.9% Multiracial). Irmo is less Multiracial than neighboring Oak Grove (4.7% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.