| Index | Irmo | South Carolina | National |
| Median home price | $264,019 | $260,124 | $326,622 |
| Median rent asked | $1,869 | $1,212 | $1,444 |
| Avg. people per household | 2.8 | 2.6 | 2.6 |
| Owner occupied households | 81.9% | 68.4% | 63.6% |
| Renter occupied households | 18.1% | 31.6% | 36.4% |

| Population | Home Price | National Avg. | |
| Peak, SC | 56 | $0 | 100% |
| Springdale CDP, SC | 2,422 | $111,336 | 66% |
| Springdale, SC | 2,977 | $166,853 | 49% |
| Jenkinsville, SC | 38 | $167,977 | 49% |
| St. Andrews, SC | 22,188 | $176,829 | 46% |
| Irmo, SC | 12,834 | $264,019 | 19% |
| Population | Home Price | National Avg. | |
| North St. Paul, MN | 12,835 | $395,855 | 21% |
| Boone, IA | 12,825 | $209,031 | 36% |
| Larkspur, CA | 12,843 | $2,396,199 | 634% |
| Winnetka, IL | 12,825 | $2,042,475 | 525% |
| Cheney, WA | 12,816 | $407,020 | 25% |
| Irmo, SC | 12,834 | $264,019 | 19% |