Darlington, SC vs Sullivan's Island, SC

The cost of living difference between Darlington, SC and Sullivan's Island, SC is dramatic. Darlington is 74.8% cheaper than Sullivan's Island, a gap that translates to thousands of dollars per year in household expenses. Darlington has a cost index of 69 while Sullivan's Island sits at 272, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Darlington is $801/month compared to $2,402/month in Sullivan's Island — a 67% difference. Home values follow the same pattern: Darlington is more affordable at $163,000 median vs $2,000,001.

Median household income in Darlington is $31,240 compared to $179,614 in Sullivan's Island (-82.6%). While Sullivan's Island is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Darlington spend roughly 30.8% of their income on rent, more than the 16% in Sullivan's Island. The Sullivan's Island ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

Climate-wise, both cities share similar average temperatures (64.7°F vs 67.2°F). Darlington receives more rainfall at 45.3" per year compared to 44.3" in Sullivan's Island.