Cost of Living in James Island, SC
Population: 11,738 | South Carolina
James Island is 16% more expensive than the national average.
Cost of Living in James Island, SC: What You Need to Know
With a cost of living index of 116, James Island, SC is a notably expensive place to live. Living here is 16% more expensive than the national average and 35% above the South Carolina state average of 82. James Island is a smaller community of 11,738 residents, where everyday costs can differ substantially from nearby larger cities.
Housing costs are the biggest factor in James Island's cost of living. The median monthly rent is $1,443 (9% above the US median of $1,319), and the median home value sits at $454,200 (49% above the national median of $304,900). At current prices, the median home costs roughly 4.5x the median household income — a moderately affordable ratio by today's standards.
The median household income in James Island is $100,176, which is 33% higher than the national median of $75,149. Residents spend roughly 17% of household income on rent. This is a comfortable ratio, well below the 30% threshold that financial experts recommend as a maximum. While incomes are above average, they more than offset the higher cost of living.
Climate is another factor for anyone considering a move to James Island. The area sees an average annual temperature of 67.2°F, with summers averaging 81°F and winters around 53°F. Annual rainfall totals 44.3 inches spread over roughly 102 days. The mild climate is a draw for many residents and keeps utility costs moderate year-round.
Everyday prices in the Charleston-North Charleston, 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.
Income
- Median Household Income
- $100,176
- vs US Median ($75,149)
- +33%
Housing
- Median Rent
- $1,443/mo
- Median Home Value
- $454,200
- Median Monthly Housing Cost
- $1,737/mo
Everyday Prices in James Island
BLS Average Prices for the Charleston-North Charleston, SC (Metropolitan Statistical Area) area
Climate in James Island
NOAA 30-year normals (1991-2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 58 | 60 | 66 | 72 | 79 | 84 | 88 | 86 | 83 | 76 | 67 | 61 |
| Avg °F | 51 | 53 | 59 | 66 | 74 | 79 | 82 | 81 | 78 | 69 | 60 | 54 |
| Low °F | 44 | 46 | 52 | 60 | 68 | 74 | 77 | 77 | 73 | 63 | 53 | 47 |
| Rain" | 2.6 | 2.6 | 3.0 | 3.0 | 2.6 | 4.9 | 5.1 | 6.1 | 5.3 | 4.1 | 2.3 | 2.9 |