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Sullivan's Island, SC
Full City Profile · South Carolina · Charleston County County
3.0
/5.0
B
Good
2,127
Population
851/sq mi density
$179,614
Median Income
$120,592 per capita
$2,000,001
Home Value
$865,394 Zillow
$2,402
Median Rent
36.9% income on rent
66°F
Avg Temperature
304 sunny days/yr
181
Violent Crime/100K
1,761 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$179,614 median income, 1.1% unemployment
F
Affordability
1.0 / 5.0
$2,000,001 home value, $2,402/mo rent
F
Safety
1.0 / 5.0
181 violent crimes/100K
A+
Education
5.0 / 5.0
87.2% bachelor's degree or higher
Housing Overview
Median Home Value
$2,000,001
609% above
US avg: $281,900
Median Rent
$2,402/mo
107% above
US avg: $1,163/mo
Homeownership Rate
84.6%
29% above US avg (65.4%)
Total Housing Units
1,086
Median year built: 1982
Home Value by Source
Census Median
$2,000,001
Zillow (ZHVI)
$865,394
Median Sale Price
$9,350,000
Median List Price
$4,550,000
Census ACS, Zillow ZHVI, Redfin median sale price
Ownership vs. Renting
84.6%
Owner-Occupied
15.4%
Renter-Occupied
US avg: 65.4% owner-occupied
Fair Market Rents (HUD FY2026)
Studio
$928/mo
1 Bedroom
$982/mo
2 Bedroom
$1,155/mo
3 Bedroom
$1,450/mo
4 Bedroom
$1,699/mo
Census median rent:
$2,402/mo
Market Indicators (Redfin)
Median Days on Market
274 days
Sale-to-List Ratio
0.9%
Buyers market
Homes Sold
2
Price Drops
10.7%
of listings with price reduction
Price Per Sq Ft
$2,483
Active Inventory
28
homes for sale
Affordability & Housing Stock
Rent Burden
36.9%
of renters spending 30%+ of income on housing
19% above US avg (31.0%)
Median Year Built
1982
Average age of housing stock: 44 years
Homeownership Rate
84.6%
Complete Housing Data
Home Values
| Census Median Value | $2,000,001 |
| Zillow Home Value (ZHVI) | $865,394 |
| Median Sale Price | $9,350,000 |
| Median List Price | $4,550,000 |
| Price Per Sq Ft | $2,483 |
Rent
| Census Median Rent | $2,402 |
| FMR Studio | $928 |
| FMR 1-Bedroom | $982 |
| FMR 2-Bedroom | $1,155 |
| FMR 3-Bedroom | $1,450 |
| FMR 4-Bedroom | $1,699 |
Market
| Days on Market | 274 |
| Sale-to-List Ratio | 0.9% |
| Price Drops | 10.7% |
| Homes Sold | 2 |
| Active Inventory | 28 |
| Price Per Sq Ft | $2,483 |
Ownership & Stock
| Owner-Occupied | 84.6% |
| Renter-Occupied | 15.4% |
| Homeownership Rate | 84.6% |
| Total Housing Units | 1,086 |
| Median Year Built | 1982 |
| Rent Burden | 36.9% |