Cost of Living in Harbor Island, SC

With a cost of living index of 97, Harbor Island, SC is slightly more affordable than average. Living here is 3% cheaper than the national average and 15% above the South Carolina state average of 82. Harbor Island is a small community of 310 residents.

The median household income in Harbor Island is $100,250, which is 33% higher than the national median of $75,149.

Climate is another factor for anyone considering a move to Harbor Island. The area sees an average annual temperature of 67.2°F, with summers averaging 82°F and winters around 52°F. Annual rainfall totals 45 inches spread over roughly 118 days. The mild climate is a draw for many residents and keeps utility costs moderate year-round.

Everyday prices in the Hilton Head Island-Bluffton-Port Royal, SC (Metropolitan Statistical Area) metro area are generally below the national average. Out of 6 common items tracked by the Bureau of Labor Statistics, 6 are priced lower than the US average. These real-world prices — from groceries to electricity — add up and should be factored into any cost of living comparison.

Data sources: US Census Bureau (ACS 2023), Zillow Home Values, HUD Fair Market Rents, BEA Regional Price Parities, BLS Average Prices, and NOAA Climate Normals. Updated monthly.