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Irmo is the #28 city in South Carolina by population, with a population of 106,680 across 3 ZIP codes. Average temperatures range from 51.6°F to 75.7°F, with 46.3" of annual precipitation. With 476 establishments, Retail is the dominant industry.
Average monthly temperatures and precipitation.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg High | 57° | 61° | 68° | 77° | 84° | 90° | 93° | 91° | 86° | 77° | 66° | 59° |
| Avg Low | 33° | 36° | 42° | 50° | 59° | 67° | 71° | 70° | 64° | 51° | 41° | 35° |
| Precip | 3.8" | 3.5" | 3.9" | 2.9" | 3.5" | 4.8" | 4.9" | 4.9" | 4.0" | 3.2" | 3.0" | 3.9" |
| Snow | 0.5" | 0.1" | 0.0" | - | - | - | - | - | - | - | - | 0.0" |
| Industry | Establishments |
|---|---|
| Retail trade | 476 |
| Other services (except public administration) | 305 |
| Health care and social assistance | 297 |
| Accommodation and food services | 296 |
| Professional, scientific, and technical services | 293 |
| Finance and insurance | 240 |
| Administrative and support and waste management and remediation services | 202 |
| Construction | 192 |
| Real estate and rental and leasing | 167 |
| Wholesale trade | 94 |
Irmo has 2 properties listed on the National Register of Historic Places, including:
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