Sullivan's Island, South Carolina Population 2024

1,930

Sullivan's Island Demographics

According to the most recent ACS, the racial composition of Sullivan's Island was:

  • White: 97.93%
  • Asian: 0.99%
  • Two or more races: 0.99%
  • Other race: 0.09%
  • Black or African American: 0%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
2.5 sq mi
Density (mi²)
772.60/sq mi
Growth Since 2020
1.69% (32)
The current population of Sullivan's Island, South Carolina is 1,930 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 1,898.

Population by Race

Race
Population
Percentage (of total)
White2,26997.93%
Asian230.99%
Two or more races230.99%
Other race20.09%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Sullivan's Island Population by Race

Sullivan's Island Population Pyramid 2024

Sullivan's Island Median Age

51.7

Total

46.7

Male

55.9

Female

Sullivan's Island Adults

There are 1,890 adults, (588 of whom are seniors) in Sullivan's Island.

Sullivan's Island Age Dependency

78

Age Dependency Ratio

45.2

Old Age Dependency Ratio

32.8

Child Dependency Ratio

Sullivan's Island Sex Ratio

Female1,14949.59%
Male1,16850.41%

Sullivan's Island Population by Age

Sullivan's Island Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8462.7484.315.7
Married5782.9688.211.8
Non Family2252.1374.225.8
Female343.091000
Male92.6722.277.8

2.93

Average Family Size

2.74

Average Household Size

84.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Sullivan's Island Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade00%
Associates Degree372.09%
Bachelors Degree70539.85%
Graduate Degree80745.62%
High School Graduate382.15%
Less Than 9th Grade00%
Some College18210.29%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Sullivan's Island Educational Attainment by Sex (over 25)

Sullivan's Island Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White1,7161,7161,461
Hispanic272725
Asian151515
2+ Races141414
Other Race220

The highest rate of high school graduation is among white people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 100%.

Sullivan's Island Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$64,483$77,041$0
Graduate Degree$103,513$115,368$46,364
High School Graduate$0$0$0
Less Than 9th Grade$0$0$0
Overall$76,531$103,880$0
Some College$60,972$57,417$61,042

$76,531

Average Earnings

$103,880

Average Male

$0

Average Female

Sullivan's Island Earnings by Educational Attainment

Sullivan's Island Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sullivan's Island Language

97.13% of Sullivan's Island residents speak only English, while 2.87% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.35% of the population.

Sullivan's Island Language

Sullivan's Island Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White2,22623310.47%

10.11%

Overall Poverty Rate

6.63%

Male Poverty Rate

13.65%

Female Poverty Rate

Poverty in Sullivan's Island

The race most likely to be in poverty in Sullivan's Island is White, with 10.47% below the poverty level.

The race least likely to be in poverty in Sullivan's Island is White, with 10.47% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.79%. Among those working part-time, it was 16.8%, and for those that did not work, the poverty rate was 17.59%.

Sullivan's Island Poverty

rate

Rate
Poverty
Less Than 9th Grade0%
High School36.84%
Bachelors or Greater8.99%
Some College5.02%

Sullivan's Island Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed73.68%
Female Employed15.95%
Male Employed0%
Female Unemployed0%

Sullivan's Island Poverty Rate by Employment Status and Sex

Sullivan's Island Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$213,750$343,430
Households$171,838$291,546
Married Families$229,118$-999,999,999
Non Families$135,875$147,859

mean

median

Income by Household Type

Sullivan's Island Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

60.7%

Overall Marriage Rate

61.2%

Male Marriage Rate

60.3%

Female Marriage Rate

Sullivan's Island Married by Age and Sex

male

female

Sullivan's Island Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Sullivan's Island Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Sullivan's Island Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

131

Number of Veterans

131

Male Veterans

0

Female Veterans

War
Veterans
Vietnam61
First Gulf War33
Second Gulf War8
Korea0
World War II0

Sullivan's Island Veterans by War

count

Age Group
Veterans
65 to 7454
75+50
55 to 6427
18 to 340
35 to 540

Sullivan's Island Veterans by Age

count

Name
Veterans
% of Total
White1317.05%

Sullivan's Island Veterans by Race

Sullivan's Island Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

10.69%

Veteran Poverty Rate

7.63%

Veteran Disability Rate

Sullivan's Island Veterans by Education

LaborForceParticipation

60.6%

Labor Force Participation

59.7%

Employment Rate

1.6%

Unemployment Rate

Sullivan's Island Employment by Age

LaborForceParticipation

Sullivan's Island Employment by Race

LaborForceParticipation

Sullivan's Island Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

40.48%

Born in Sullivan's Island

97.71%

Native Born

2.29%

Foreign Born

0.78%

Non Citizen

1.51%

Naturalized

Place of Birth

97.71% of Sullivan's Island residents were born in the United States, with 40.48% having been born in South Carolina. 0.78% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Sullivan's Island Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20291,97080.41%
20281,96280.41%
20271,95480.41%
20261,94680.41%
20251,93880.41%
20241,93080.42%
20231,922130.68%
20221,909170.9%
20211,892-6-0.32%
20201,898-30-1.56%
20191,92840.21%
20181,924-6-0.31%
20171,93030.16%
20161,927201.05%
20151,907231.22%
20141,884211.13%
20131,863261.42%
20121,837170.93%
20111,820271.51%
20101,79300%

Sullivan's Island Population by Year