Cost of Living in Irmo, SC
Population 11,799 · South Carolina · Data vintage 2023
(100 = US avg)
Housing costs in Irmo stay well under national norms: a median home value of $193,000 against median household incomes of $85,137 gives the city one of the more comfortable price-to-income ratios in South Carolina. Unemployment has stayed elevated relative to the national figure — 8.3% as of the most recent ACS release — which shows up in household-income and poverty figures as well.
Geographically, Irmo sits roughly 15 miles west of Columbia. Median home values run roughly 21% lower than Columbia's $244,000.
Cost Overview
Scale: 100 = US national average. Green < 90, Red > 110.
About the Cost of Living in Irmo
The median home value in Irmo is $193,100 — 37% below the national median of $305,000. Median rent runs $1,412/month, 7% higher than the national median of $1,314/month. The median household income of $85,137/year is 14% higher than the US median of $74,580. The local unemployment rate is 8.3%, above the national average of 4.8%. South Carolina's top state income tax rate is 6.4% and the combined sales tax is 7.5%. The climate averages highs of 75.6°F and lows of 52.9°F, with about 1.2" of annual snowfall. Overall, Irmo has a cost of living index of 81 versus the US average of 100, meaning it is 19% less expensive.
🏠 Housing
HUD Fair Market Rents by Bedroom
💰 Estimated Monthly Budget
Estimates based on median data and national averages. Actual costs vary.
🛒 Food & Groceries
National BLS average prices (2023). Local prices may vary.
🚗 Transportation
Commute Mode
⚡ Utilities
📋 Taxes
💼 Income & Employment
🎓 Education
👥 Demographics
🌤 Climate
NOAA 1991–2020 Climate Normals
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 57 | 61 | 68 | 77 | 84 | 90 | 93 | 91 | 86 | 77 | 66 | 59 |
| Low °F | 35 | 37 | 44 | 52 | 61 | 69 | 72 | 71 | 65 | 53 | 42 | 37 |
| Precip" | 3.49 | 3.39 | 3.57 | 2.83 | 3.49 | 4.97 | 5.35 | 4.65 | 3.91 | 3.13 | 2.76 | 3.70 |
| Snow" | 0.6 | 0.4 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
💨 Air Quality
EPA AQS 2023 — county-level monitoring data
🏫 Schools
NCES CCD 2019 — public school district data
Frequently Asked Questions
What is the cost of living in Irmo, SC?
Irmo has a cost index of 81 (100 = national average). It is 19% below the national average.
What is average rent in Irmo, SC?
The median gross rent in Irmo is $1,412 per month based on 2023 Census data.
What is the average home price in Irmo?
The median home value in Irmo is $193,100 according to Zillow and Census data.
What is the median income in Irmo?
The median household income in Irmo is $85,137 per year (2023 ACS 5-year estimates).
What is the sales tax in Irmo, SC?
The combined state and local sales tax rate in Irmo is 7.5%. The South Carolina state income tax top rate is 6.4%.
Is Irmo, SC affordable?
Yes, Irmo is generally considered affordable, with a cost of living index of 81 — about 19% below the US national average of 100.
What is the weather like in Irmo?
Irmo has average high temperatures of 75.6°F and average lows of 52.9°F. Annual precipitation is 45.2". Average annual snowfall is 1.2". Data from NOAA 1991–2020 Climate Normals.
Irmo at a Glance
- Population
- 11,799
- Median Income
- $85,137
- Home Value
- $193,100
- Median Rent
- $1,412/mo
- Unemployment
- 8.3%
- Avg High Temp
- 75.6°F
- Sales Tax
- 7.5%
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Explore county-level cost of living data
South Carolina Rankings
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