Sullivan's Island

A town in Charleston County, South Carolina — population 1,938 as of 2020.

Overnight 79°F Partly Cloudy2% precip

Saturday 88°F Chance Rain Showers then Chance Showers And Thunderstorms32% precip

Saturday Night 77°F Chance Showers And Thunderstorms69% precip

Sunday 88°F Showers And Thunderstorms Likely67% precip

News around Charleston County

Newest first · from sources across Charleston County · checked 33 min ago

WMNF 88.5 July 29

SOTD 7/29/26: “Everything I See” by Easy Honey

The WMNF Song of the Day for 7/29/26 is “Everything I See” by Easy Honey. If you’re looking for a band that effortlessly bottles up the feeling of a beach day and turns it into pure, infectious energy, look no further than Easy Honey. Originally forming in Sewanee, TN before…

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Sullivan's Island by the numbers

Population 1,938Population figure, 2020

Households & income

Area: 2.5 sq mi (6.47 km²), 0.94 sq mi water
Median age: 52.5
Households: 798
Persons per household: 2.6
Median household income: $192,813
Median house value: $2,000,001

2020–2024 ACS

Municipal office

Office: ASST TO TOWN ADMINISTRATOR
Address: PO BOX 427, SULLIVANS ISLAND, SC 29482

Municipal record

Official city site Map