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Rockville, SC
Town in Charleston County, South Carolina.
Population
121
Land area
0.4sq mi
People per sq mi
286
ZIP codes
0
Rockville and its ZIP codes
Rockville at a glance
- Rockville is 62% denser than South Carolina as a whole.
Local data for Rockville, SC
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Charleston County. PPP loans are for Rockville.
Unemployment rate
3.0%
Sep 2026, -0.7 pts in a year
Average annual pay
$72,198
283,985 jobs, 2025
Income per person
$90,550
BEA, 2024
Federal spending
$4.7B
FY 2026, $11,441 per person
Environment and hazard risk
Rockville, SC, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: coastal flooding
Storm events since 1996
1,288
Countywide, mostly thunderstorm wind
Flood insurance policies
46,856
31.7% of homes, county
July high / Jan low
90° / 40°F
51.9 inches of rain a year
Health statistics
Share of adults in Rockville, SC, CDC PLACES estimates
Obesity
27.0%
U.S. 33.3% -6.3 pts
Diabetes
13.4%
U.S. 12.1% +1.3 pts
Smoking
9.6%
U.S. 12.8% -3.2 pts
Uninsured (18-64)
8.5%
U.S. 11.1% -2.6 pts
Cities near Rockville
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Seabrook IslandTown | 1.7 mi | 5.9 |
| Kiawah IslandTown | 6.2 mi | 11.2 |
| MeggettTown | 7.1 mi | 18.1 |
| HollywoodTown | 11 mi | 23.5 |
| Edisto BeachTown | 11 mi | 2.1 |
| Adams RunCensus-designated place | 12 mi | 1.4 |
| RavenelTown | 12 mi | 13.2 |
| James IslandTown | 16 mi | 4.8 |
| Folly BeachCity | 17 mi | 12.5 |
| Harbor IslandCensus-designated place | 20 mi | 1 |
| CharlestonCity | 20 mi | 115.2 |
| JacksonboroCensus-designated place | 20 mi | 14.5 |
| North CharlestonCity | 21 mi | 78 |
| Sullivan's IslandTown | 24 mi | 2.5 |
| Fripp IslandCensus-designated place | 25 mi | 3.3 |
| HanahanCity | 25 mi | 10.5 |
Frequently asked questions
- What county is Rockville, SC in?
- Rockville is in Charleston County, South Carolina.
- What is the population of Rockville, SC?
- About 121 people live in Rockville, based on American Community Survey 5-year estimates.
- What cities are near Rockville?
- Nearby places include Seabrook Island (1.7 mi), Kiawah Island (6.2 mi), Meggett (7.1 mi), Hollywood (11 mi), Edisto Beach (11 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023