SC area data
Sullivans island, SC
Sullivans island, SC.
Population: 2,087 (Census ACS)
Home values & appreciation
- Median home value
- $4.53M
- 1-year appreciation
- +6.3%
- 3-year appreciation
- +22.7%
- 5-year appreciation
- +67.8%
- 10-year appreciation
- +205.7%
- All-time peak (2026-07)
- $4.53M
- House Price Index
- 444.0 (+2.0% YoY)
Market activity
- Median sale price
- $894,000
- Median list price
- $1.49M
- Median days on market
- 26 days
- Sale-to-list ratio
- 99.4%
- Active listings
- 2
- 1-year forecast
- +3.5%
- New listings (monthly)
- 5
Rents
- 2-bedroom fair-market rent (HUD reference)
- $2,540/mo
- 3BR fair-market rent
- $3,160/mo
Affordability
- Cost of living index (Below Average)
- 90.5 (100 = US avg)
- Electricity rate (state-level)
- 15.0¢/kWh
- Natural gas rate (state-level)
- $16.90/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 1
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 0
Natural hazards & flood risk
- Overall hazard risk
- Relatively High
- Top hazards
- coastalFlooding, hurricane, earthquake, iceStorm, lightning
- FEMA flood zone
- A13
- Flood risk level
- High
Climate (30-year normals)
- Annual precipitation
- 51.6 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 47
- Days with Good air quality
- 212
Walkability & transit
- Walkability index
- 7.0 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 3
- Nearest national park
- Fort Sumter and Fort Moultrie National Historical Park (1 mi)
- Nearest airport
- Raven's Run Airport (5 mi)
- Nearest major airport
- Charleston International Airport (CHS) (14 mi)
- Hospitals nearby (~15 mi)
- 7
- Avg hospital rating
- 4.3 / 5
- Solar radiation rating
- Good (4.8 kWh/m²/day)
Migration
- Net migration
- +1,040 tax filers
Housing stock
- Median year housing built
- 1,981
- Median annual property tax
- $8,533
- Mean commute to work
- 17 min
- Households with broadband internet
- 67.7%
Employment & development
- Total county employment
- 226,174
- Average weekly wage
- $1,226
- Top industries (by employment)
- Accommodation & Food, Health Care, Professional Services
- Annual residential building permits (county)
- 1,426
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →