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CITY · 2010 ACS

Sullivan's Island

South Carolina · 1,791 residents · 2.50 sq mi
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The short version

Sullivan's Island is a city of 1,791 people in South Carolina. That is roughly 131% ahead of the South Carolina median. This is an unusually credentialed place: 77% of adults have a four-year degree. The typical home is worth $1,000,001, having risen by half since 2000. The median age is 47.1, about 10 years above the US median. Renters pay $1,809 a month at the median.

At a glance
Wealthier
median household income $101,563, above the US median
US median: $52,703
Older
median age 47.1
US median: 37.2
More educated
77% hold a bachelor's degree
US average: 28%
Top-priced homes
median home value $1,000,000+, the Census reporting cap
US median home: $225,659
Section 01

Population & growth

Total population
1,791
−6%since 2000
from 1,911 in 2000
1990 – 2025
Population density
717 / sq mi
−6%since 2000
from 765 / sq mi in 2000
US average: 261
Median age
47.1
+15%since 2000
from 40.9 in 2000
US average: 37.2
Land area
2.50 sq mi
Population, 1990 – 2024
2K2K2K2K2K19902000201020202024Sullivan's Island
20242K
1990201020202024
Age distribution, 2010
Under 53.8%(68)
US avg: 6.5%
5 to 97%(126)
US avg: 6.6%
10 to 146.4%(115)
US avg: 6.7%
15 to 195.9%(106)
US avg: 7.1%
20 to 244.5%(80)
US avg: 7%
25 to 348.5%(152)
US avg: 13.3%
35 to 4410.9%(196)
US avg: 13.3%
45 to 5417.6%(316)
US avg: 14.6%
55 to 6420.6%(369)
US avg: 11.8%
65 to 749.4%(168)
US avg: 7%
75 to 843.4%(60)
US avg: 4.2%
85 and over2%(35)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$101,563
+10%inflation adjusted, since 2000
from $72,955 in 2000
US average: $52,703
1990 – 2024
Per capita income
$68,135
+38%since 2000
from $49,427 in 2000
US average: $27,286
Households earning $100K+
68.5%
+0.9 ptssince 2009
from 67.6% in 2009
US average: 33.3%
Poverty rate
5.1%
+0.9 ptssince 2000
from 4.2% in 2000
US average: 13.8%
Income inequality (Gini)
0.511
US average: 0.461
Workforce by industry, 2010
Other services10.9%
US avg: 7%
Public administration8.6%
US avg: 4.9%
Information7.6%
US avg: 11.5%
Wholesale trade7.2%
US avg: 7.2%
Arts, entertainment, food4.9%
US avg: 2.4%
Retail trade2.3%
US avg: 10.9%
Agriculture, forestry, fishing0.7%
US avg: 1.9%
Construction0.7%
US avg: 1.4%
Finance & insurance0.5%
US avg: 5.1%
Professional, scientific, technical0.5%
US avg: 4.2%
Manufacturing0%
US avg: 0.5%
Transportation & warehousing0%
US avg: 3.1%
Education & health services0%
US avg: 0.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$1,000,000+
from $597,200 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$1,809
+39%inflation adjusted, since 2000
from $1,027 in 2000
US average: $853
Owner-occupied
72.9%
+0.4 ptssince 2000
from 72.5% in 2000
27.1% rent
Vacancy rate
29.4%
−1.3 ptssince 2009
from 30.8% in 2009
US average: 12.1%
Persons per household
2.55 people
−2%since 2009
from 2.60 people in 2009
US average: 2.60
Owner cost-burdened
37.0%
−2.3 ptssince 2009
from 39.3% in 2009
US average: 30.9%
Renter cost-burdened
33.8%
−5.9 ptssince 2009
from 39.7% in 2009
US average: 46.8%
Afford Score
9.8
−6%since 2009
from 10.4 in 2009
1990 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic97.9%(1,871)
Black0.6%(12)
Hispanic / Latino0.8%(16)
Asian0.2%(3)
Other0%
2010
White, non-Hispanic97.3%(1,743)
Black0.8%(14)
Hispanic / Latino1.1%(20)
Asian0.2%(3)
Other0%(0)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Ancestry
English26.2%(536)
German15.6%(319)
American12.6%(259)
Irish12.6%(258)
Italian7.5%(153)
Scotch-Irish5.6%(115)
French5.6%(114)
Scottish4.9%(100)
Russian4.4%(90)
British3.4%(70)
Polish3.4%(70)
Welsh2.6%(53)
+ 9 more ancestry groups with data
Greek2.1%(44)
Swedish0.7%(15)
Dutch0.6%(12)
Hungarian0.6%(12)
Canadian0.3%(7)
Norwegian0.3%(7)
Swiss0.3%(6)
Danish0.2%(5)
Section 05

Education

Bachelor's degree or higher
77.1%
+12.4 ptssince 2000
from 64.7% in 2000
US average: 27.9%
High school or higher
99.3%
+3.3 ptssince 2000
from 96.0% in 2000
US average: 84.9%
Graduate degree
39.6%
+9.7 ptssince 2000
from 29.8% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
25.9 min
+120%since 2000
from 11.8 min in 2000
US average: 25.2
Drive alone to work
86.6%
+0.8 ptssince 2009
from 85.9% in 2009
US average: 76.2%
Carpooled to work
3.2%
−1.3 ptssince 2009
from 4.5% in 2009
US average: 10.4%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 4.7%
Worked from home
5.8%
+1.5 ptssince 2009
from 4.3% in 2009
US average: 4.1%
Walked to work
0.5%
−1.0 ptssince 2009
from 1.5% in 2009
US average: 2.8%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
1.7%
+0.2 ptssince 2009
from 1.6% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
18.5%
−1.1 ptssince 2009
from 19.7% in 2009
US average: 12.9%
Management & professional
57.8%
+1.6 ptssince 2009
from 56.2% in 2009
US average: 35.2%
Section 08

People & community

Male
46.5%
−1.5 ptssince 2009
from 48.1% in 2009
Female
53.5%
+1.5 ptssince 2009
from 51.9% in 2009
Foreign born
2.1%
−0.4 ptssince 2009
from 2.5% in 2009
US average: 12.8%
Veterans
11.6%
+3.9 ptssince 2009
from 7.7% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married29.6%(260)
Married65.6%(575)
Widowed0%(0)
Divorced4.8%(42)
Women 15+
Never married12%(109)
Married60.4%(550)
Widowed11.9%(108)
Divorced15.7%(143)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
1.5%
−1.1 ptssince 2013
from 2.6% in 2013
US average: 8.4%
Employer-based
69.8%
+3.5 ptssince 2020
from 66.3% in 2020
US average: 54.8%
Direct-purchase
25.3%
−3.0 ptssince 2020
from 28.3% in 2020
US average: 13.8%
Medicare
26.3%
+2.7 ptssince 2020
from 23.6% in 2020
US average: 18.4%
Medicaid
0.4%
−2.8 ptssince 2020
from 3.2% in 2020
US average: 20.9%
VA health care
2.3%
+1.1 ptssince 2020
from 1.2% in 2020
US average: 2.2%
Any private
90.5%
−0.7 ptssince 2020
from 91.2% in 2020
US average: 67.1%
Any public
27.5%
+0.7 ptssince 2020
from 26.8% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)9.5%(13)
US avg: 26.4%
Gulf War (1990s)24.8%(34)
US avg: 24.3%
Vietnam era35.8%(49)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 137 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

Places similar to Sullivan's Island

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Pop 1,581
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Pop 1,808
Lake Mary Jane
Pop 1,792
Pine Ridge CDP (Collier County)
Pop 1,910
Places similar to Sullivan's Island
Head to head

Compare Sullivan's Island to nearby cities

SULLIVAN'S ISLAND VS
Mount Pleasant
Income$124,755+23%
Home value$748,500−25%
Population95,469+4768%
SEE FULL COMPARISON →
SULLIVAN'S ISLAND VS
James Island
Income$104,217+3%
Home value$508,600−49%
Population12,660+546%
SEE FULL COMPARISON →
SULLIVAN'S ISLAND VS
Charleston
Income$92,414−9%
Home value$509,700−49%
Population159,423+8030%
SEE FULL COMPARISON →
SULLIVAN'S ISLAND VS
Hanahan
Income$87,984−13%
Home value$374,800−63%
Population22,415+1043%
SEE FULL COMPARISON →
Frequently asked

How many people live in Sullivan's Island, South Carolina?

Sullivan's Island, South Carolina has about 1,791 residents according to the 2010 American Community Survey.

What is the median household income in Sullivan's Island, South Carolina?

The typical household in Sullivan's Island, South Carolina earns about $101,563 a year. Half of households make more than that, and half make less.

Is Sullivan's Island, South Carolina expensive?

In Sullivan's Island, South Carolina, the median home is worth $1,000,000 or more, and the typical rent is about $1,809 a month.

How educated are people in Sullivan's Island, South Carolina?

About 77.1% of adults age 25 and over in Sullivan's Island, South Carolina hold a bachelor's degree or higher.

What is the poverty rate in Sullivan's Island, South Carolina?

About 5.1% of people in Sullivan's Island, South Carolina live below the federal poverty line.

Has Sullivan's Island, South Carolina grown since 1990?

Yes, Sullivan's Island, South Carolina has grown since 1990. The population has added about 170 residents, a change of about 10 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →