| Index | Rockville | South Carolina | National |
| Income per capita | $82,235 | $25,521 | $29,829 |
| Median household income | $106,875 | $46,898 | $55,322 |
| Median income owner occupied | $108,125 | $57,389 | $70,586 |
| Median income renter occupied | $0 | $29,505 | $35,192 |
| Median earnings male | $118,125 | $32,196 | $36,919 |
| Median earnings female | $61,250 | $23,580 | $26,250 |
| Unemployment rate | 0.0% | 5.0% | 4.7% |
| Poverty level | 0.8% | 17.2% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 10.7% | 10.7% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 25.0% | 25.0% |
| Public administration | 10.7% | 10.7% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 10.7% | 10.7% |
| Other | 42.9% | 42.9% |
| City | Population | Household Income | National Avg. |
| Kiawah Island, SC | 1,772 | $202,885 | 266.7% |
| Seabrook Island, SC | 1,810 | $100,265 | 81.2% |
| Folly Beach, SC | 2,664 | $89,000 | 60.9% |
| James Island, SC | 12,157 | $82,083 | 48.4% |
| Meggett, SC | 1,124 | $80,486 | 45.5% |
| Rockville, SC | 132 | $106,875 | 93.2% |
| City | Population | Household Income | National Avg. |
| Yellow Bluff, AL | 132 | $9,506 | 82.8% |
| Vallecito, CA | 132 | $44,375 | 19.8% |
| Otter Creek, FL | 132 | $50,250 | 9.2% |
| Blockton, IA | 132 | $42,083 | 23.9% |
| Geneva, IA | 132 | $58,750 | 6.2% |
| Rockville, SC | 132 | $106,875 | 93.2% |
Here are the best places to live in South Carolina
These are the 10 cheapest cities in South Carolina
Check out the 10 safest cities in South Carolina
Most Dangerous Cities In The US