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CITY

Harbor Island

South Carolina · 303 residents · 1.027 sq mi
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The short version

Harbor Island is wealthier than most US places, with a median household income of $105,425. Population has held roughly steady since 2023. 83% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value is $366,100. With a median age of 69.6, the population is older than the US median of 38.9. It sits in the top 10% of US cities for household income.

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

Total population
303
−2%since 2023
from 310 in 2023
2020 – 2024
Population density
295 / sq mi
−2%since 2023
from 302 / sq mi in 2023
US average: 281
Median age
69.6
Unchangedsince 2023
from 69.5 in 2023
US average: 38.9
Population, 2020 – 2024
19922926029032020202024Harbor Island
2024303
20202024
Section 02

Income & economy

Median household income
$105,425
+2%inflation adjusted, since 2023
from $100,250 in 2023
US average: $82,259
2020 – 2024
Per capita income
$41,891
+1%since 2023
from $41,638 in 2023
US average: $44,673
Households earning $100K+
74.8%
+2.2 ptssince 2023
from 72.6% in 2023
US average: 53.3%
Poverty rate
9.2%
+5.0 ptssince 2023
from 4.2% in 2023
US average: 12.5%
Income inequality (Gini)
0.267
−2%since 2023
from 0.273 in 2023
US average: 0.476
Workforce by industry, 2024
Transportation & warehousing37.8%
US avg: 2.2%
Information11.1%
US avg: 10.8%
Retail trade6.7%
US avg: 9.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Wholesale trade0%
US avg: 6.9%
Finance & insurance0%
US avg: 5.9%
Professional, scientific, technical0%
US avg: 5.1%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
Other services0%
US avg: 6.7%
Public administration0%
US avg: 4.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$366,100
+25%inflation adjusted, since 2023
from $284,500 in 2023
US average: $376,019
2020 – 2024
Owner-occupied
93.7%
+9.5 ptssince 2023
from 84.2% in 2023
6.3% rent
Vacancy rate
68.4%
−1.0 ptssince 2023
from 69.5% in 2023
US average: 10.0%
Owner cost-burdened
26.1%
+1.7 ptssince 2023
from 24.4% in 2023
US average: 22.9%
Renter cost-burdened
55.6%
+38.2 ptssince 2023
from 17.4% in 2023
US average: 47.4%
Afford Score
3.5
+22%since 2023
from 2.8 in 2023
2020 – 2024
RELATED:See current rent listings in Harbor Island on RentDataNow
Section 04

Race & ethnicity

2023
White, non-Hispanic97.1%(301)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other2.9%(9)
Diversity Score7%(22)
2024
White, non-Hispanic97.4%(295)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other2.6%(8)
Diversity Score6.4%(19)
Diversity Score
6
−9%since 2023
from 7 in 2023
2020 – 2024
Section 05

Education

Bachelor's degree or higher
83.3%
+2.6 ptssince 2023
from 80.8% in 2023
US average: 35.6%
High school or higher
100.0%
+5.2 ptssince 2023
from 94.8% in 2023
US average: 89.6%
Graduate degree
39.0%
+0.2 ptssince 2023
from 38.8% in 2023
US average: 14.0%
Section 06

Commute & transportation

Average commute
50.8 min
+91%since 2023
from 26.6 min in 2023
US average: 26.5
Drive alone to work
73.3%
−2.0 ptssince 2023
from 75.4% in 2023
US average: 68.9%
Carpooled to work
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 8.5%
Public transit
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 3.2%
Worked from home
26.7%
+2.0 ptssince 2023
from 24.6% in 2023
US average: 15.0%
Walked to work
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 0.4%
No vehicle available
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 5.2%
Labor force participation
14.9%
−9.0 ptssince 2023
from 23.9% in 2023
US average: 63.5%
Self-employed
0.0%
−5.4 ptssince 2023
from 5.4% in 2023
US average: 13.1%
Management & professional
48.9%
+8.3 ptssince 2023
from 40.5% in 2023
US average: 42.5%
Section 08

People & community

Male
58.4%
+3.6 ptssince 2023
from 54.8% in 2023
Female
41.6%
−3.6 ptssince 2023
from 45.2% in 2023
Foreign born
3.6%
+0.1 ptssince 2023
from 3.5% in 2023
US average: 14.1%
Veterans
41.9%
+0.9 ptssince 2023
from 41.0% in 2023
US average: 6.2%
With a disability
5.0%
+2.1 ptssince 2023
from 2.9% in 2023
US average: 13.3%
Uninsured
2.6%
−0.3 ptssince 2023
from 2.9% in 2023
US average: 8.4%
Broadband at home
100.0%
+7.5 ptssince 2023
from 92.5% in 2023
US average: 91.0%
English only at home
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 77.7%
Spanish at home
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 13.6%
Drill deeper

Places similar to Harbor Island

Magnolia
Pop 291
Bethel
Pop 274
Slaughter Beach
Pop 255
Highland Park
Pop 293
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%
Population16,648+5394%
SEE FULL COMPARISON →
HARBOR ISLAND VS
Beaufort
Income$61,220−42%
Home value$345,400−6%
Population15,775+5106%
SEE FULL COMPARISON →
HARBOR ISLAND VS
Hilton Head Island
Income$94,657−10%
Home value$687,400+88%
Population38,196+12506%
SEE FULL COMPARISON →
HARBOR ISLAND VS
Bluffton
Income$111,281+6%
Home value$492,100+34%
Population36,807+12048%
SEE FULL COMPARISON →
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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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