The Town Files

James Island, South Carolina

Town in Charleston County · population 11,621 (2020 Census)

Map: where James Island is in South CarolinaJames Island
Median home
$508,600
Household income
$104,217
Jan low / Jul high
44° / 88°
Snow a year
0 in
Tornadoes ≤10 mi since 1950
29
Median age
41.7

James Island is a town of 11,621 people in Charleston County, South Carolina. The median home is worth $508,600, above the typical South Carolina town ($183,100). It ranks more upscale than 97% of South Carolina towns, better for families than 95% of South Carolina towns, more seaside character than 93% of South Carolina towns.

How James Island ranks

Percentile among South Carolina towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of South Carolina towns.

James Island lifestyle rankings vs other South Carolina townsRetirement82nd pctFamilies95th pctQuiet50th pctWalkability78th pctFirst-time buyersbottomYoung professionals91st pctVibrancy77th pctHip & trendy71st pctCollege town71st pctUpscale97th pctVacation homes88th pctSeaside character93rd pctCycling81st pctTransit78th pctDriving11th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in James Island is worth $508,600, above the typical South Carolina town ($183,100). Homes cost about 4.9 times the median household income of $104,217, which is more affordable than 15% of South Carolina towns. Median rent is $1,695 a month. 87.5% of households own their home.

James Island vs Charleston County vs typical South Carolina townJames IslandCharleston CountyTypical South Carolina townHome value$508,600$489,100$183,100Household income$104,217$88,494$53,875Monthly rent$1,695$1,620$937
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of South Carolina towns with 500+ people.
HousingJames IslandTypical South Carolina town
Median home value$508,600$183,100
Median rent$1,695$937
Median household income$104,217$53,875
Home value ÷ income4.9×3.4×
Homeownership87.5%68.0%
Median year built19701981
Seasonal / vacation homes2.4%—

Who lives in James Island

PeopleJames IslandTypical South Carolina town
Median age41.740.0
Age 65 and over17.8%17.9%
Under 1821.4%—
Bachelor's degree or higher49.5%20.0%
Below the poverty line5.6%17.8%
Veterans10.5%—
Born outside the U.S.2.9%—
Work from home18.2%6.8%
Average commute22.5 min25.3 min
Homes with broadband88.7%87.8%

Weather in James Island

July highs average 87.5°F and January lows 43.6°F. About 44.3 inches of rain and melted snow fall a year, with 0.3 inches of snow (typical South Carolina town: 0.8 in). Expect about 25 days a year at 90°F or hotter and 6 nights at or below freezing.

James Island monthly temperatures and precipitation40°50°60°70°80°90°58°44°Jan60°46°Feb66°52°Mar72°60°Apr79°68°May84°74°Jun88°77°Jul86°77°Aug83°73°Sep76°63°Oct67°53°Nov61°47°DecPrecipitation (in) · snow (in) in blue2.60.22.60.13.03.02.64.85.16.15.34.12.32.9
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Charleston City station (3.0 mi away); snowfall estimated from the 1 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

29 tornadoes have passed within 10 miles of James Island since 1950, compared with 17 for the typical South Carolina town. 4 rated (E)F2 or stronger. The strongest, an F3, struck on September 11, 1960 about 4.0 miles from the town center. The most recent was on August 6, 2024.

Tornadoes within 10 miles of James Island by decade11950s61960s31970s11980s11990s102000s42010s32020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 81 times; the largest was 2.75 inches on May 10, 2011.

Severe weather in Charleston County since 1996

Storm events in Charleston County since 1996 by typeHail275Flood6Tornado43Lightning48Heavy Rain7Waterspout5Flash Flood319Rip Current3
NOAA Storm Events Database, Charleston County, 1996–2026 (all event types recorded since 1996). 5 deaths recorded.

Charleston County has been included in 27 federal disaster or emergency declarations since 1953, most often for flood, drought, hurricane.

DeclaredIncidentDeclaration
January 23, 2026Winter StormEM-3632: Severe Winter Storm
September 26, 2024Tropical StormEM-3619: Hurricane Helene
August 5, 2024Tropical StormEM-3606: Hurricane Debby
August 31, 2023HurricaneEM-3597: Hurricane Idalia
November 21, 2022HurricaneDR-4677: Hurricane Ian

Jobs and pay in Charleston County

Charleston County had 278,476 jobs in 2024, paying an average of $68,271 a year. Unemployment was 2.4% in 2023; in James Island itself the ACS puts it at 1.2%.

Largest industries in Charleston CountyHotels & restaurants36,782 jobs · $33,658Health care & social assistan…31,933 jobs · $68,426Retail30,266 jobs · $43,782Professional & technical serv…21,342 jobs · $104,365Administrative & support19,698 jobs · $47,340Manufacturing17,539 jobs · $95,867
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Charleston County, 2000–20230%2%4%6%8%10%2000200420082012201620202023Charleston 2.4%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near James Island

James Island questions

Is James Island, South Carolina a good place to retire?

On The Town Files lifestyle rankings, James Island scores better for retirees than 82% of South Carolina towns and quieter than 50%. 17.8% of residents are 65 or older (median age 41.7).

How much does a house cost in James Island?

The median owner-occupied home in James Island is valued at $508,600 (Census ACS 2020–2024), against a median household income of $104,217, so homes cost about 4.9 times income. Median rent is $1,695 a month.

What is the weather like in James Island?

July highs average 87.5°F and January lows 43.6°F (NOAA 1991–2020 normals). It gets about 44.3 inches of precipitation a year and 0.3 inches of snow.

Does James Island get tornadoes?

29 tornadoes have passed within 10 miles of James Island since 1950 (NOAA Storm Events); the strongest was a F3 on September 11, 1960. The typical South Carolina town has had 17.

How this page is made. Every number comes from public data, matched to James Island's Census boundary (GEOID 4536430). Comparisons use the median of South Carolina towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.