Irmo, SC Population

Overview

11,581

Total Population

39.6

Median age

54.17%

Female population %

84.6:100

Gender ratio (M:F)

55-59 years

Largest age group

44.9

Total dependency ratio

White

Largest racial group

287

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Irmo's population is old compared to the rest of the country:

The median age in Irmo is 39.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Irmo's population under 18 was 20.35%, compared to the 22.51% nationwide.
Irmo's elderly or the senior population (over 65 age) was 15.21% as compared to 16.04% nationwide.
Of the total population in Irmo, 15.75% were under the age of 15, 18.43% aged 15 to 29, 50.61% aged 30 to 64, 13.82% aged 65 to 84, and 1.39% were 85 years of age and older.

There are 965 more females than males in Irmo:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 54.17% females and 45.83% males in Irmo, SC.
The Irmo, SC gender ratio is 84.6:100 i.e. 84.6 men to 100 women (0.846).
For male population, the largest age group is 55-59 years with a population of 708.
For the female population, the largest age group is 30-34 years with a population of 721.

Irmo's population has become increasingly diverse:

Racial distribution of Irmo population: 66.87% are White, 25.55% are Black or African American, 0.03% are American Indian and Alaska Native, 3.85% are Asian, 0.15% are some other race and 3.56% are multiracial.
Irmo's racial breakdown clearly shows that there is an absolute majority of White population in the town.
By ethnicity, 287 is Hispanic or Latino (of any race), and 11,294 (97.52% of the total population) is Non-Hispanic.
The largest racial group in Irmo is White with a population of 7,744 (66.87% of the total population).

Irmo's population has already reached its peak and is showing a trend of decline:

The peak population was 12,527 in the year 2019
From 2000 to 2010, Irmo's population decreased by 145 (1.28%), as compared to the national growth of 9.63%.
From 2010 to 2020, Irmo's population increased by 443 (3.97%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Irmo's population was lowest in year 2010 at 11,167.