Demographics & People — Irmo, South Carolina

Population Overview

Population (Census)11,799
Estimated 2026~11,800
Median Age40.3
Total Households4,739
Family Households3,345
Average Household Size2.48
Diversity Index0.4981 (moderately diverse)

Race & Ethnicity

White7,233
Black or African American3,508
Asian292
Hispanic or Latino331

Heritage & Ancestry

GroupCount
Other groups3,510
Unclassified or not reported2,893
German1,859
Irish1,509
English1,202
American1,123
Italian389
European268
Hispanic: Hispanic or Latino246
French (except Basque)204

Language

English Only10,485
Spanish249
Population 5+11,271

Veterans

Veterans850
Population 18+9,048

Commuting

Mean Commute Time23.7 minutes
Work from Home14.6%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Irmo, South Carolina.