Blythewood, SC vs Sullivan's Island, SC

The cost of living difference between Blythewood, SC and Sullivan's Island, SC is dramatic. Blythewood is 64.9% cheaper than Sullivan's Island, a gap that translates to thousands of dollars per year in household expenses. Blythewood has a cost index of 96 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 Blythewood is $1,083/month compared to $2,402/month in Sullivan's Island — a 55% difference. Home values follow the same pattern: Blythewood is more affordable at $368,300 median vs $2,000,001.

Median household income in Blythewood is $105,583 compared to $179,614 in Sullivan's Island (-41.2%). The higher salaries in Sullivan's Island partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Blythewood spend roughly 12.3% of their income on rent, less than the 16% in Sullivan's Island.

Climate-wise, both cities share similar average temperatures (65.5°F vs 67.2°F). Sullivan's Island receives more rainfall at 44.3" per year compared to 43.7" in Blythewood.