CitytisticsShortlist

Cost of living, pay and housing

32.77° N · 79.83° W · GEOID 4570090

Sullivan's Island

Charleston County, South Carolina · part of the Charleston, SC metro

Limited data population under 5,000, core figures borrowed from county or metro: median_gross_rent

South CarolinaSullivan's Island, SCSullivan's IslandSullivan's Island

The short answer

Sullivan's Island is home to 2,087 people. Median household income is $192,813 a year and median rent is $1,620 a month, 10.1% of income (a ratio of two medians, not any one household's burden). Rent pressure is lighter than in most places. The median home is valued at $2,000,001, about 10.4x annual median household income.

Median gross rent
$1,620
19% above the median place
Median household income
$192,813
140% above the median place
Median home value
$2,000,001
above the median place (median $319,400)
Unemployment
3.5%
29% below the median place

Compared with the median of the 6,645 places we track. The bundle was checked 2026-11-14; each measure may refer to an older release.

What stands out about Sullivan's Island

  • The median home is valued at $2,000,001, more than in 99% of the 2,480 places under 10,000 people we track. It is the highest of 101 South Carolina places.
  • 84% of adults hold a bachelor's degree or higher, a larger share than in 99% of places its size. It is the highest of 101 South Carolina places.
  • The median rent takes only 10.1% of the median household's income, a smaller share than in 98% of places its size. It is the lowest of 101 South Carolina places.
  • The median household earns $192,813 a year, more than in 96% of places its size. It is the highest of 101 South Carolina places.
  • 2% of residents were born outside the US, fewer than in 95% of places its size. It is the 2nd-lowest of 84 South Carolina places.

Rent is light relative to pay, but the county has a FEMA natural hazard risk score of 99 out of 100. Budget for insurance before counting the savings.

01

Moving to Sullivan's Island

Charleston County gains about 5.4 residents per 1,000 a year to moves between counties.

Moved in27,049
Moved out25,330
Net+1,719

Where people come from and where they go, top counties

Berkeley County, SC3,8785,708−1,830
Dorchester County, SC2,6374,144−1,507

Within South Carolina, other states or abroad

Arrivals
Leavers
Within South CarolinaOther statesAbroad

Income per tax return

Arrivals$104K
Leavers$76K

People on tax returns who moved between counties, from IRS migration data, 2022 to 2023. Figures are for all of Charleston County; flows under 20 returns are not published.

Who moves here
8.4% of residents arrived from another county in the past year, 2.3% from another state. County figure.
Who arrives and who leaves
Households moving into Charleston County report $104,000 a year in income on average; those leaving, $76,400, so newcomers earn more than leavers.
Income you would need
$64,800 a year to rent the median home at the 30% line. From your city
Rent or buy
Median rent is $1,620 a month; owners with a mortgage pay $4,001 a month including taxes and insurance, on a median home of $2,000,001.
Getting to work
18 minutes each way on average; 14.2% work from home.
If it is close but not quite
Mercer Island, WA matches it on character. Compare the two
Moved from another state1
2.3%
17% above the median place
Income of households moving in8
$104,019
47% above the median place
Moved here in the past year1
8.4%
47% above the median place
All 5 moving measures
MeasureSullivan's IslandAmong 6,645 placesVs median
Moved here in the past year1County figure8.4%47% above
Moved from another state12.3%17% above
Net movers per 1,000 people8County figure5.4above (median -0.6)
Income of households moving in8County figure$104,01947% above
Income of households moving out8County figure$76,4449% above
02

What it costs to live here

Median home value is $2,000,001, above the median place (median $319,400).

Sullivan's Island10.1%
Typical place20.4%

Share of the median household income that goes to the median rent. Above 30% is the usual stress line.

Income needed to rent
$64,800
a year, at the 30% line
Rent to income
10.1%
50% below the median place
Home price to income
10.4x
173% above the median place

Could you afford it?

The median rent would take
10%
comfortably under the 30% line
Left after rent, in US prices
$178,700
a year
Vs the typical household here
Same
as the median household

Uses the median rent in Sullivan's Island, $1,620 a month, and local prices for everything else (97.1 against a US average of 100). It runs in your browser and stores nothing.

Like Sullivan's Island, but easier on the budget

Close matches on income, rent, home value, education and age, where rent takes a clearly smaller share of income.

PlaceRent to incomeMore left a year
Hingham, MA7.0% vs 10.1%n/aCompare

Moving from somewhere else? Work out the salary you would need in Sullivan's Island.

Sponsored · exampleMoving to Sullivan's Island? Compare quotes from licensed movers. No partner is signed yet. Sponsored offers are always labelled and never change the data.
Median home value1
$2,000,001
above the median place (median $319,400)
Vacant homes1
26.6%
277% above the median place
Owner costs with a mortgage1
$4,001
114% above the median place
All 16 cost and housing measures
MeasureSullivan's IslandAmong 6,645 placesVs median
Median gross rent1County figure$1,62019% above
Rent to income110.1%50% below
Property tax rate10.4%53% below
Home price to income110.4x173% above
Prices vs US average2Metro figure101.00% above
Fair market rent, 2 bedrooms3County figure$1,88417% above
HUD area median income4County figure$117,50010% above
Property tax paid (median)1$8,533161% above
Median home value1$2,000,001above (median $319,400)
Home prices, 1-year change5County figure2.3%28% below
Home prices, 5-year change5County figure70.8%37% above
Homeownership185.3%29% above
Renters paying 30%+1County figure53.4%6% above
Owner costs with a mortgage1$4,001114% above
Vacant homes126.6%277% above
Median year built119810% above
03

Work and pay

Commutes by transit is 0.0%, below the median place (median 0.8%).

Commutes by transit1
0.0%
below the median place (median 0.8%)
Income per person1
$117,718
194% above the median place
Median household income1
$192,813
140% above the median place
All 10 work and pay measures
MeasureSullivan's IslandAmong 6,645 placesVs median
Median household income1$192,813140% above
Income per person1$117,718194% above
Unemployment1County figure3.5%29% below
Average annual pay6County figure$72,1989% above
Pay growth, 1 year6County figure5.8%57% above
Jobs6County figure283,98588% above
Poverty rate1County figure11.3%5% above
Mean commute118 min29% below
Works from home114.2%14% above
Commutes by transit10.0%below (median 0.8%)
04

Who lives here

High school or higher is 99.8%, 8% above the median place.

High school or higher1
99.8%
8% above the median place
Bachelor's or higher1
84.3%
163% above the median place
Median age1
52.5
35% above the median place

More about who lives here, against the typical place

Born abroad1.9% −79%
Homes with broadband94.2% +2%
Household size2.6 +5%
All 9 people measures
MeasureSullivan's IslandAmong 6,645 placesVs median
Population12,0876646th largest
Population change since 202073.6%212% above
Median age152.535% above
Bachelor's or higher184.3%163% above
High school or higher199.8%8% above
Household size12.65% above
Born abroad11.9%79% below
No health insurance1County figure8.3%30% above
Homes with broadband194.2%2% above
05

Life in Sullivan's Island

7 sites are on the National Register of Historic Places, 44 of them National Historic Landmarks.

  • Battery Gadsden listed 1974
  • Battery Thomson listed 1974
  • Atlanticville Historic District listed 2007
  • Fort Moultrie Quartermaster and Support Facilities Historic District listed 2007
  • Moultrieville Historic District listed 2007
  • Sullivan's Island Historic District listed 2007

Out the door, against the typical place

Parks per 10k residents38.3 3.8×
Playgrounds per 10k71.9 7.6×
Grocery stores per 10k0.0 −100%
Restaurants, cafes and bars per 10k52.7 4.7×
Libraries per 10k9.6 11.0×
Named paths and bike trails0 km −85%
Bus and rail stops per sq mi0.0 −100%

Mapped by volunteers in OpenStreetMap inside the city limits (Census boundaries), so coverage is fuller in some places than others. Map data © OpenStreetMap contributors, ODbL.

Businesses per 10,000 residents (county figures)

Restaurants and bars33.9 +63%
Shops49.6 +64%
Arts, recreation and fitness7.5 +83%
Doctors' offices and clinics29.8 +48%
Child care centers2.4 +4%

Counts businesses with paid staff, so small owner-run shops are not included.

Public schools13
1
89% below the median place
Public school students13
497
90% below the median place
Students per teacher13
14.2
8% below the median place
All 16 schools and local life measures
MeasureSullivan's IslandAmong 6,645 placesVs median
Public schools13189% below
Public school students1349790% below
Students per teacher1314.28% below
Restaurants and bars per 10k9County figure33.963% above
Shops per 10k9County figure49.664% above
Arts, recreation and fitness per 10k9County figure7.583% above
Doctors' offices and clinics per 10k9County figure29.848% above
Child care centers per 10k9County figure2.44% above
Parks per 10k1038.3277% above
Playgrounds per 10k1071.9above (median 9.4)
Grocery stores per 10k100.0below (median 2.1)
Restaurants, cafes and bars per 10k1052.7373% above
Libraries per 10k109.6above (median 0.9)
Named paths and bike trails100.385% below
Transit stops per sq mi100.0below (median 0.2)
National Register listings11746% below
06

Safety, weather and risk

Violent crime per 100k is 0, below the median place (median 192).

Violent crime per 100k
0
below the median place (median 192)
Property crime per 100k
714
41% below the median place
Months reported
12 of 12
by the city police department to the FBI

Counts only offenses reported by the city police department. Sheriff, state and campus police are not included, and some departments do not report to the FBI at all, so compare with care.

Hurricane risk15
99.6
41% above the median place
Natural hazard risk15
98.6
7% above the median place
Average temperature14
66°F
20% above the median place
All 11 weather and risk measures
MeasureSullivan's IslandAmong 6,645 placesVs median
July average high14County figure91°F4% above
January average low14County figure39°F54% above
Average temperature14County figure66°F20% above
Annual precipitation14County figure50.1 in14% above
Natural hazard risk15County figure98.67% above
Hurricane risk15County figure99.641% above
Tornado risk15County figure71.013% below
Wildfire risk15County figure93.953% above
Heat wave risk15County figure82.78% below
Median air quality index16County figure479% above
Good air days16County figure60.8%11% below
08

Sullivan's Island in 2030: where the trends point

If recent trends hold, the median rent will take about 15% of the median income in 2030, about the same as 15% now.

Citytistics projections to 2030: each figure's own trend, blended with the typical trend across the places we rate, eased toward long-run US growth and carried forward from the latest release. The range is where 80% of places landed when we tested the same method on past releases.

MeasureLatest2030 projectionLikely rangeAvg. per year
Median rent$2,375/mo (2024)$3,020/mo$2,470 to $3,680/mo+4.1%
Median household income$192,813 (2024)$246,500$208,500 to $291,500+4.2%
Median home value$2,000,001 (2024)$2,695,000$1,956,000 to $3,713,000+5.1%
Population1,961 (2025)2,0101,930 to 2,100+0.5%

The median home would be worth 10.9 years of the median income in 2030, against 10.4 now.

A projection of recent trends, not a prediction of the economy or advice to buy or sell. How we project.

09

Places like Sullivan's Island

The closest matches on income, rent, home value, education and age, and the places nearby.

PlaceRentIncome
Mercer Island, WA$2,502$219,069Compare
Cherry Hills Village, CO$2,191$250,001Compare
Highland Park, TX$1,940$250,001Compare
Park City, UT$1,943$133,558Compare
Park City, UTHighland Park, TXCherry Hills Village, COMercer Island, WASullivan's Island, SCSullivan's IslandMercer IslandCherry Hills VillageHighland ParkPark CitySullivan's IslandMercer IslandCherry Hills VillageHighland ParkPark City

Common questions

Is Sullivan's Island a good place to live?

It depends on what you need, so here is what the numbers say. The median home is valued at $2,000,001, more than in 99% of the 2,480 places under 10,000 people we track. It is the highest of 101 South Carolina places. 84% of adults hold a bachelor's degree or higher, a larger share than in 99% of places its size. It is the highest of 101 South Carolina places. On cost, space and class size it scores 77 out of 100 for families. See how it ranks with your own weights.

Is Sullivan's Island expensive to live in?

The median rent takes 10.1% of the median household income, against 20.4% in the typical place we track. Housing is a lighter load here than usual. The median home is valued at $2,000,001.

What salary do you need to live in Sullivan's Island?

To rent the median home without spending more than 30% of income on rent, a household needs about $64,800 a year. Work it out from your current city.

Is Sullivan's Island safe?

There were 0 reported violent crimes per 100,000 residents, against 192 in the typical place.

What places are similar to Sullivan's Island?

On income, rent, home value, education and age, the closest matches are Mercer Island, WA, Cherry Hills Village, CO, Highland Park, TX and Park City, UT.

Sources and methods

The small numbers beside each measure point here. Every dataset is public; links go to the publisher.

  1. American Community Survey 5-year estimates · US Census Bureau · 2020 to 2024 estimatesTables B01002, B01003, B05002, B07003, B08013, B08301, B15003, B17001, B19013, B19301, B23025, B25002, B25003, B25010, B25035, B25064, B25070, B25077, B25088, B25103, B28002, S2701
  2. Regional Price Parities · US Bureau of Economic Analysis · Latest release, retrieved 2026-11-14
  3. Fair Market Rents · US Department of Housing and Urban Development · Fiscal year 2027
  4. Income Limits · US Department of Housing and Urban Development · Fiscal year 2026
  5. House Price Index · Federal Housing Finance Agency · Latest release, retrieved 2026-11-14
  6. Quarterly Census of Employment and Wages · US Bureau of Labor Statistics · 2025 annual averages
  7. Population Estimates · US Census Bureau · Vintage 2025
  8. SOI Tax Stats, county-to-county migration · Internal Revenue Service · Tax years 2022 to 2023Counts tax returns and the people on them; flows under 20 returns are suppressed.
  9. County Business Patterns · US Census Bureau · 2023 data
  10. OpenStreetMap · © OpenStreetMap contributors, available under the Open Database License (ODbL) · Map data as of 2026-11
  11. National Register of Historic Places · National Park Service · Listings through 2026-05-22
  12. Crime Data Explorer · Federal Bureau of Investigation · 2025 data
  13. Common Core of Data · National Center for Education Statistics · 2024 release
  14. 1991-2020 climate normals · NOAA National Centers for Environmental Information · Series updated 2026-11-05Averages for 1991 to 2020 computed from NOAA's county climate series (nClimDiv).nClimDiv county series
  15. National Risk Index · Federal Emergency Management Agency · Latest release, retrieved 2026-11-14NRI data and maps
  16. Air Quality System, annual AQI by county · US Environmental Protection Agency · 2025 dataAirData download files

Derived by Citytistics from the tables above: rent to income (B25064, B19013); property tax rate (B25103, B25077); home price to income (B25077, B19013).

What stands out compares Sullivan's Island with places of a similar size, using only figures measured for Sullivan's Island itself; county and metro figures never count. Survey figures are estimates with margins of error. Formulas and definitions: methodology. API: /api/v1/places/sullivans-island-south-carolina

Citytistics. “Sullivan's Island, South Carolina.” Data as of 2026-11-14. https://www.citytistics.com/city/sullivans-island-south-carolina/

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.