Blythewood, SC vs Seabrook Island, SC

The cost of living difference between Blythewood, SC and Seabrook Island, SC is dramatic. Blythewood is 55.6% cheaper than Seabrook Island, a gap that translates to thousands of dollars per year in household expenses. Blythewood has a cost index of 96 while Seabrook Island sits at 215, 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 $3,501/month in Seabrook Island — a 69% difference. Home values follow the same pattern: Blythewood is more affordable at $368,300 median vs $899,600.

Median household income in Blythewood is $105,583 compared to $124,519 in Seabrook Island (-15.2%). Seabrook Island does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Blythewood spend roughly 12.3% of their income on rent, less than the 33.7% in Seabrook Island. The Blythewood ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

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