Sullivan's Island, SC
Population 2,127 · South Carolina
About Sullivan's Island, SC
Sullivan's Island is a small community in South Carolina with a population of 2,127 residents. The median household income is $179,614 per year, which is above the national average. The median age in Sullivan's Island is 52.9 years.
Housing in Sullivan's Island has a median home value of $2,000,001 and median monthly rent of $2,402. Of the 1,078 total housing units, the majority are owner-occupied, with 691 owner-occupied and 126 renter-occupied units.
The unemployment rate in Sullivan's Island is 1.7% and the poverty rate is 8.3%. 87.2% of residents hold a bachelor's degree or higher. The average commute time is 17.3 minutes.
How Sullivan's Island Ranks in South Carolina
Cost of Living in Sullivan's Island, SC
Compared to national averages, Sullivan's Island has a median household income of $179,614 (139% above the national median of $75,149). Home values average $2,000,001, which is 717% above the national median. Monthly rent at $2,402 is 107% above the US average of $1,163. Within South Carolina, Sullivan's Island's income is 206% above the state average of $58,738, and home values are 889% above the state median of $202,187.
Why Live in Sullivan's Island, SC?
Sullivan's Island offers a strong local economy with a median household income of $179,614, well above the national average, and a strong job market with an unemployment rate of just 1.7%, and a well-educated community where 87.2% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 8.3%, better than the national average, and short commute times averaging just 17.3 minutes.
Potential considerations include a competitive housing market where the typical home costs $2,000,001. However, Sullivan's Island’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Sullivan's Island has a population of 2,127 with a median age of 52.9 years. Compare Sullivan's Island with other cities to see how it stacks up, or explore all cities in South Carolina.
Similar Cities Near Sullivan's Island
Cities in South Carolina with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Seabrook Island | 2,107 | $124,519 | $899,600 | Compare |
| Timmonsville | 2,153 | $32,736 | $88,000 | Compare |
| Blacksburg | 2,158 | $33,500 | $137,000 | Compare |
| Pacolet | 2,164 | $46,120 | $94,100 | Compare |
| Graniteville | 2,176 | $29,495 | $103,900 | Compare |
| Kiawah Island | 2,196 | $236,607 | $1,723,200 | Compare |
| Judson | 2,201 | $33,600 | $93,700 | Compare |
| Ware Shoals | 2,207 | $35,896 | $63,600 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in South Carolina
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Sullivan's Island
What is the population of Sullivan's Island, SC?
The population of Sullivan's Island, SC is 2,127 according to the latest Census data.
What is the median household income in Sullivan's Island?
The median household income in Sullivan's Island, SC is $179,614 per year.
What is the median home value in Sullivan's Island?
The median home value in Sullivan's Island, SC is $2,000,001.
What is the average rent in Sullivan's Island?
The median monthly rent in Sullivan's Island, SC is $2,402.
What is the unemployment rate in Sullivan's Island?
The unemployment rate in Sullivan's Island, SC is 1.7%.