Irmo, SC — Elections 2008–2024

2024 presidential election

Irmo

HarrisD+8.3

How it voted

Share of the 2024 vote

Kamala Harris ✓Democratic	53.3%	3,121
Donald TrumpRepublican	45.0%	2,635
OtherAll other candidates	1.7%	98

D+60

R+60

2 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.

presidential history

Presidential margin, 2008–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
2008	−8.2%
2012	−3.3%
2016	+1.5%
2020	+11.4%
2024	+8.3%

DemocraticRepublican

5 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Democratic	Republican	Other	Margin	Total
2024	D	53.3%Harris3,121	45.0%Trump2,635	1.7%	+8.3%	5,854
2020	D	54.8%Biden3,362	43.3%Trump2,659	1.9%incl. Jorgensen	+11.4%	6,140
2016	D	47.5%Clinton2,607	46.0%Trump2,527	6.5%incl. Johnson	+1.5%	5,492
2012	R	48.3%Obama2,404	51.7%Romney2,569	0.0%	−3.3%	4,973
2008	R	45.4%Obama2,573	53.5%McCain3,036	1.1%	−8.2%	5,670

Demographics

Demographic profile

Demographic Profile

Key indicators compared across containing geographies

Demographic Profile. Key indicators compared across containing geographies. ACS values are survey estimates and may include margins of error. Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
Indicator	IrmoCity	South CarolinaState	United StatesNation
Race & Ethnicity
White	58.2%	63.3%	61.0%
Black	27.8%	24.8%	12.2%
Asian	4.3%	1.8%	6.0%
Two or more races	7.8%	6.9%	12.6%
Other race	1.9%	3.2%	8.2%
Hispanic or Latino	5.6%	7.4%	19.3%
Income & Age
Median household income	$80,489	$69,324	$84,427
Poverty rate	9.2%	14.1%	12.5%
Median age	40.3	40.5	39.1
Age 18–24	11.5%	9.1%	9.2%
Age 65 and older	15.4%	18.9%	17.2%
Education & Language
Bachelor's degree or higher (25+)	37.8%	32.1%	35.6%
Speaks a non-English language at home	9.1%	8.4%	22.3%
Spanish	5.0%	5.2%	13.6%
Other Indo-European	1.1%	0.8%	2.0%
Ancestry
Largest ancestry	German 10.3%	English 12.1%	German 12.5%
2nd-largest ancestry	English 10.3%	German 9.4%	English 9.5%
3rd-largest ancestry	Irish 7.8%	Irish 9.1%	Irish 9.4%
Religion
Catholic	7.2%County context	8.0%	18.6%
Evangelical Protestant	25.6%County context	28.6%	16.5%
Unaffiliated or unclaimed	45.1%County context	47.5%	51.5%
Mainline Protestant	11.1%County context	7.4%	5.2%
Black Protestant	7.4%County context	5.8%	2.2%

ACS values are survey estimates and may include margins of error.

Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.

2024 ACS

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

10.3%

English

10.3%

Irish

7.8%

American

6.0%

Italian

2.7%

Scottish

1.9%

Polish

0.8%

Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

2024 ACS

Age distribution by sex

Median age: 40.3 in this county, 39.1 nationally

Male

Age

Female

0.5%

85+

1.0%

1.9%

75–84

2.5%

4.3%

65–74

5.2%

5.7%

55–64

6.3%

5.8%

45–54

6.2%

35–44

6.8%

6.7%

25–34

7.0%

5.9%

18–24

5.6%

8.5%

5–17

8.2%

2.8%

2.7%

Source · American Community Survey 5-year estimates, 2024 release.

2024 ACS

Median household income

Inflation-adjusted dollars

$80,489

Irmo$80,489

South Carolina$69,324

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

2024 ACS

Poverty rate

All persons below federal poverty line

9.2%

Children face moderate poverty.

Children under 1818.9%

Working age (18–64)13.4%

Seniors (65+)10.6%

Source · American Community Survey 5-year estimates, 2024 release.

2024 ACS

Language at home

Population aged 5 and older

90.9%

speak English only

Spanish5.0%

Other Indo-European1.1%

Other languages0.5%

Other Asian & Pacific Island0.5%

German or other West Germanic0.4%

Chinese (incl. Mandarin & Cantonese)0.4%

French (incl. Cajun & Haitian)0.3%

Russian, Polish, or other Slavic0.2%

Arabic0.2%

Tagalog (incl. Filipino)0.2%

Korean0.2%

Vietnamese0.1%

Source · ACS 5-year estimates, 2024.

2020 religion census

Religious adherents

Adherents per capita by tradition

Evangelical Protestant

25.6%

Mainline Protestant

11.1%

Black Protestant

7.4%

Catholic

7.2%

Latter-day Saints

1.1%

Other Christian

0.8%

Hindu

0.5%

Buddhist

0.3%

Muslim

0.3%

Other faiths

0.2%

Orthodox Christian

0.2%

Jewish

0.2%

Unaffiliated or not counted45.1%

Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.

Irmo sits in the Deep South. In 2024 it voted Democratic.

Across the recorded series it reached a Democratic high of 11.4 points in 2020 and a Republican high of 8.2 points in 2008. Between 2020 and 2024 the city moved 3.1 points toward the Republican candidate; the 2024 margin was 8.3 points.

A population of 11,813, a 58% non-Hispanic-white share, and a median household income of $80,489 describe the city.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

Irmo, South Carolina. Akashic. https://akashic.app/city/4535890/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Irmo, South Carolina vote in 2024?

In 2024, Irmo, South Carolina voted Democratic by 8.3 points (D+8.3), carried by the Democratic candidate. Out of 5,854 votes cast, 3,121 went Democratic and 2,635 went Republican.

What is Irmo, South Carolina's political typology?

Akashic places Irmo, South Carolina in the "" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 5 elections in the dataset, the city has voted Democratic 3 times, Republican 2 times, and other 0 times.

When did Irmo, South Carolina last vote Republican?

The most recent presidential election in which Irmo, South Carolina voted Republican was 2012.

How many people live in Irmo, South Carolina?

Irmo, South Carolina has a population of 11,813 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Irmo, South Carolina?

Median household income in Irmo, South Carolina is $80,489 — below the national median of $80,734. The South Carolina state median is $69,324.

What is the political history of Irmo, South Carolina?

Akashic tracks 5 presidential elections in Irmo, South Carolina from 2008 to 2024. Of those, 3 went Democratic and 2 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.

Irmo delivered D+8.3 in 2024.

Demographics

Demographic Profile

Compare two places, side by side

Frequently asked questions