United States › South Carolina › Sullivan's Island CITY · 1990 CENSUS
Sullivan's Island South Carolina · 1,621 residents · 2.50 sq mi
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The short version
With 1,621 people, Sullivan's Island is a city in South Carolina. That is roughly 98% ahead of the South Carolina median. This is an unusually credentialed place: 54% of adults have a four-year degree. The typical home is worth $215,300. Households take in $51,867 a year at the median, 72% more than the country as a whole. 74% of homes are owner-occupied.
At a glance
Wealthier
median household income $51,867, above the US median
US median: $30,130
Older
median age 35.8
US median: 33.0
More educated
54% hold a bachelor's degree
US average: 20%
More affordable
home values down 53%, inflation adjusted
US median home: $93,722
Section 01
Population & growth vs 765 / sq mi in 2000
US average: 221
vs 40.9 in 2000
US average: 33.0
Population, 1990 – 2024
2K 2K 2K 2K 2K 1990 2000 2010 2020 2024 Sullivan's Island Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $51,867
−6%inflation adjusted, since 2000
vs $72,955 in 2000
US average: $30,130
vs $49,427 in 2000
US average: $14,340
vs 4.2% in 2000
US average: 13.2%
$215,300
−53%inflation adjusted, since 2000
vs $597,200 in 2000
US average: $93,722
$633
−19%inflation adjusted, since 2000
vs $1,027 in 2000
US average: $450
vs 72.5% in 2000
26.1% rent
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-Hispanic 97.9%(1,871)
Hispanic / Latino 0.8%(16)
1990
White, non-Hispanic 98.6%(1,599)
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 16 more ancestry groups with data vs 64.7% in 2000
US average: 20.3%
High school or higher
vs 96.0% in 2000
US average: 75.2%
vs 29.8% in 2000
US average: 7.1%
Section 06
Commute & transportation vs 11.8 min in 2000
US average: 21.9
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 2.6% in 2013
US average: 8.4%
from 66.3% in 2020
US average: 54.8%
Direct-purchase
from 28.3% in 2020
US average: 13.8%
from 23.6% in 2020
US average: 18.4%
from 3.2% in 2020
US average: 20.9%
VA health care
from 1.2% in 2020
US average: 2.2%
Any private
from 91.2% in 2020
US average: 67.1%
Any public
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)
Gulf War (1990s) 24.8%(34)
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.
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Drill deeper
Places similar to Sullivan's Island Head to head
Compare Sullivan's Island to nearby cities SULLIVAN'S ISLAND VS
Mount Pleasant
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SULLIVAN'S ISLAND VS
James Island
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SULLIVAN'S ISLAND VS
Charleston
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SULLIVAN'S ISLAND VS
Hanahan
Income $87,984 +70%
Home value $374,800 +74%
Population 22,415 +1043%
SEE FULL COMPARISON →
Frequently asked
How many people live in Sullivan's Island, South Carolina? Sullivan's Island, South Carolina has about 1,621 residents according to the 1990 Census.
What is the median household income in Sullivan's Island, South Carolina? The typical household in Sullivan's Island, South Carolina earns about $51,867 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 about $215,300, and the typical rent is about $633 a month.
How educated are people in Sullivan's Island, South Carolina? About 54.2% 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 5.2% of people in Sullivan's Island, South Carolina live below the federal poverty line.
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