What are the schools like in Irmo, SC?

Irmo is served primarily by Lexington 05. The district operates 13 elementary schools, 5 middle schools, and 5 high schools with a student-to-teacher ratio of 11.7:1.

What is the median household income in Irmo?

The median household income in Irmo, SC is $77,656 according to the most recent US Census American Community Survey 5-year estimates. The unemployment rate is 4.6%.

What is the weather like in Irmo, SC?

Irmo has an average high temperature of 54.0°F in January and 90.3°F in July. Annual precipitation averages 45.4 inches and annual snowfall averages 0.8 inches.

Irmo, SC Cost of Living, Crime & Is It a Good Place to Live? (2026)

Q: Is Irmo, SC affordable or expensive?

Irmo's cost of living index is 93, where 100 represents the national average. This means Irmo is 7% less expensive than the average US city. The median home value is $168,200 and the median rent is $1,329 per month.

Q: What is the crime rate in Irmo, SC?

Irmo has a violent crime rate of 238.1 incidents per 100,000 residents and a property crime rate of 1568.4 per 100,000. The national average violent crime rate is approximately 380 per 100,000.

Is Irmo, SC a Good Place to Live?

Irmo is a small city of 11,685 in South Carolina, with a median household income of $77,656 and a 4.6% unemployment rate. Its cost of living index is 93 (US average = 100), which is 7% below the national average.

Strengths: Irmo stands out for an affordable cost of living, below-average home prices, lower-than-average crime, solid school ratings (A-), short average commutes.

Trade-offs: No major red flags stand out in the available data. Whether Irmo is right for you depends on your priorities — the full breakdown is below.

All Irmo city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.

Cost of Living

Index: 92.9

Irmo's overall cost of living index is 92.9, where 100 represents the US national average. Living in Irmo costs roughly 7% less than the average American city.

Metric	Irmo, SC	National Avg
Median Home Value	$168,200	$244,900
Median Monthly Rent	$1,329	$1,163
Homeownership Rate	79.5%	65.9%
Median Household Income	$77,656	$74,755

Crime & Safety

Safer than Average

Irmo's violent crime rate is 238.1 per 100,000 residents — 37% lower than the national average of ~380 per 100,000.

Violent Crime

238.1 /100k

Property Crime

1568.4 /100k

Vertical marker = national average. Source: FBI UCR Program.

Schools & Education

Irmo is served primarily by Lexington 05. The student-to-teacher ratio is 11.7:1 (better than the national average of ~16:1).

Metric	Irmo, SC	National Avg
School District	Lexington 05	—
Elementary Schools	13	—
Middle Schools	5	—
High Schools	5	—
Student/Teacher Ratio	11.7:1	16:1
Bachelor's Degree or Higher	34.3%	35.4%
High School Diploma or Higher	93.9%	91.1%

Weather & Climate

Irmo sees average highs of 54.0°F in January and 90.3°F in July, with 45.4 inches of annual precipitation and 0.8 inches of snow per year.

Metric	Irmo, SC
Average High — January	54.0°F
Average High — July	90.3°F
Annual Precipitation	45.4"
Annual Snowfall	0.8"

Demographics

Metric	Irmo, SC	National Avg
Population	11,685	—
Median Age	39.2	38.9
Unemployment Rate	4.6%	3.7%
Avg Commute Time	24.0 min	26 min
White (non-Hispanic)	62.7%	59.3%
Black or African American	29.1%	13.6%
Hispanic or Latino	1.1%	18.9%
Asian	4.2%	6.3%
Under 18	22.1%	22.2%
65 and over	16.8%	16.8%

Nearby Cities

Lake Murray of Richland, SC 4 mi Seven Oaks, SC 5 mi St. Andrews, SC 6 mi Lexington, SC 8 mi Oak Grove, SC 9 mi

ZIP Codes in Irmo

Irmo, SC is covered by 1 ZIP code:

29063

Irmo vs Other Cities

Irmo, SC vs Lake Murray of Richland, SC Irmo, SC vs Seven Oaks, SC Irmo, SC vs St. Andrews, SC Irmo, SC vs Lexington, SC Irmo, SC vs Oak Grove, SC

Frequently Asked Questions

Is Irmo, SC affordable or expensive?

Irmo's cost of living index is 93, where 100 is the national average. That makes Irmo roughly 7% less expensive than a typical US city — a meaningful affordability advantage. The median home price is $168,200 and median rent is $1,329/month.

What is the crime rate in Irmo, SC?

Irmo's violent crime rate is 238.1 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 1568.4 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.

What are the schools like in Irmo?

Public schools in Irmo are operated by Lexington 05. The district has 13 elementary, 5 middle, and 5 high schools. The student-to-teacher ratio is 11.7:1. 34.3% of adults 25+ hold a bachelor's degree or higher.

Is Irmo, SC a good place to live?

Irmo, SC has a population of 11,685, a median household income of $77,656, and an unemployment rate of 4.6%. It offers below-average costs of living, which stretches take-home pay further than in most American cities. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.

What is the weather like in Irmo?

Irmo averages 54.0°F in January and 90.3°F in July. Annual rainfall is 45.4 inches with about 0.8 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).

What ZIP codes are in Irmo?

Irmo, SC is covered by 1 ZIP code: 29063.

What is the population of Irmo?

The population of Irmo, South Carolina is 11,685 with a median age of 39.2. Source: US Census ACS 5-Year Estimates.

What are the pros and cons of living in Irmo?

Key numbers for living in Irmo: cost of living index 93 (100 = US average), median home $168,200, median household income $77,656, crime index 67 (100 = US average, lower is safer), schools rated A-. Whether these are benefits or drawbacks depends on where you're coming from — compare Irmo side by side with your current city to see the trade-offs.