United States › South Carolina › Harbor Island CITY
Harbor Island South Carolina · 303 residents · 1.03 sq mi
Time machine
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The short version
With 303 people, Harbor Island is a city in South Carolina. The median age is 69.6, about 31 years above the US median. This is an unusually credentialed place: 83% of adults have a four-year degree. 94% of homes are owner-occupied. Getting to work takes 51 minutes on average. That is roughly 52% ahead of the South Carolina median.
At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 69.6
US median: 38.9
More educated
83% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 302 / sq mi in 2023
US average: 281
from 69.5 in 2023
US average: 38.9
Population, 2020 – 2024
199 229 260 290 320 2020 2024 Harbor Island Age distribution, 2024
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Section 02
Income & economy $105,425
+2%inflation adjusted, since 2023
from $100,250 in 2023
US average: $82,259
from $41,638 in 2023
US average: $44,673
Households earning $100K+
from 72.6% in 2023
US average: 53.3%
from 4.2% in 2023
US average: 12.5%
from 0.273 in 2023
US average: 0.476
Workforce by industry, 2024
Transportation & warehousing 37.8%
Agriculture, forestry, fishing 0%
Professional, scientific, technical 0%
Education & health services 0%
Arts, entertainment, food 0%
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$366,100
+25%inflation adjusted, since 2023
from $284,500 in 2023
US average: $376,019
from 84.2% in 2023
6.3% rent
from 69.5% in 2023
US average: 10.0%
2.12 people
Unchangedsince 2023
from 2.12 people in 2023
US average: 2.54
from 24.4% in 2023
US average: 22.9%
from 17.4% in 2023
US average: 47.4%
from 2.8 in 2023
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 2023
White, non-Hispanic 97.1%(301)
2024
White, non-Hispanic 97.4%(295)
from 7 in 2023
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 1 more ancestry group with data from 80.8% in 2023
US average: 35.6%
High school or higher
from 94.8% in 2023
US average: 89.6%
from 38.8% in 2023
US average: 14.0%
Section 06
Commute & transportation from 26.6 min in 2023
US average: 26.5
from 75.4% in 2023
US average: 68.9%
from 0.0% in 2023
US average: 8.5%
from 0.0% in 2023
US average: 3.2%
from 24.6% in 2023
US average: 15.0%
from 0.0% in 2023
US average: 2.4%
from 0.0% in 2023
US average: 0.4%
from 0.0% in 2023
US average: 8.3%
Section 07
Work & employment from 0.0% in 2023
US average: 5.2%
from 23.9% in 2023
US average: 63.5%
Women 20-64 in the labor force
US average: 74.6%
from 5.4% in 2023
US average: 13.1%
from 40.5% in 2023
US average: 42.5%
Section 08
People & community from 3.5% in 2023
US average: 14.1%
from 41.0% in 2023
US average: 6.2%
from 2.9% in 2023
US average: 13.3%
from 2.9% in 2023
US average: 8.4%
from 92.5% in 2023
US average: 91.0%
Computer in household
US average: 95.5%
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 77.7%
from 0.0% in 2023
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 2.9% in 2023
US average: 8.4%
Direct-purchase
US average: 13.8%
VA health care
US average: 2.2%
Any private
US average: 67.1%
Any public
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) 2.4%(3)
Share of the 127 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 Harbor Island Head to head
Compare Harbor Island to nearby cities HARBOR ISLAND VS
Port Royal
Income $74,870 −29%
Home value $347,200 −5%
Population 16,648 +5394%
SEE FULL COMPARISON →
HARBOR ISLAND VS
Beaufort
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Home value $345,400 −6%
Population 15,775 +5106%
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HARBOR ISLAND VS
Hilton Head Island
Income $94,657 −10%
Home value $687,400 +88%
Population 38,196 +12506%
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HARBOR ISLAND VS
Bluffton
Income $111,281 +6%
Home value $492,100 +34%
Population 36,807 +12048%
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Frequently asked
How many people live in Harbor Island, South Carolina? Harbor Island, South Carolina has about 303 residents according to the 2024 American Community Survey.
What is the median household income in Harbor Island, South Carolina? The typical household in Harbor Island, South Carolina earns about $105,425 a year. Half of households make more than that, and half make less.
Is Harbor Island, South Carolina expensive? In Harbor Island, South Carolina, the median home is worth about $366,100.
How educated are people in Harbor Island, South Carolina? About 83.3% of adults age 25 and over in Harbor Island, South Carolina hold a bachelor's degree or higher.
What is the poverty rate in Harbor Island, South Carolina? About 9.2% of people in Harbor Island, South Carolina live below the federal poverty line.
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