Piedmont, SC vs Sullivan's Island, SC

The cost of living difference between Piedmont, SC and Sullivan's Island, SC is dramatic. Piedmont is 74.4% cheaper than Sullivan's Island, a gap that translates to thousands of dollars per year in household expenses. Piedmont has a cost index of 70 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 Piedmont is $844/month compared to $2,402/month in Sullivan's Island — a 65% difference. Home values follow the same pattern: Piedmont is more affordable at $141,200 median vs $2,000,001.

Median household income in Piedmont is $51,896 compared to $179,614 in Sullivan's Island (-71.1%). The higher salaries in Sullivan's Island partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Piedmont spend roughly 19.5% of their income on rent, more than the 16% in Sullivan's Island.

Climate-wise, Sullivan's Island is notably warmer with an average of 67.2°F compared to 63.3°F in Piedmont. Piedmont receives more rainfall at 47" per year compared to 44.3" in Sullivan's Island.