At a Glance
Median Income
$100,250
$41,638 per capita
Home Value
$284,500
Zillow: $717,792
Bachelor's Degree+
80.8%
94.8% high school+
Unemployment
0.0%
0.0% poverty rate
Obesity Rate
22.9%
6.0% smoking rate
How Harbor Island Compares to the U.S. Average
Each bar shows Harbor Island's value as a percentage of the national average (100% = U.S. avg)
Thin vertical line = U.S. national average (100%)
Is Harbor Island a Good Place to Live?
A+
5.0 / 5.0 - Excellent
Based on economy, affordability, safety, and education metrics compared to national averages.
Economy & Jobs
Harbor Island residents earn a median household income of $100,250 , which is 33% above the national average of $75,149.
Per capita income is $41,638. The unemployment rate stands at 0.0% (100% below the U.S. rate of 3.6%). 0.0% of residents live below the poverty line. The area is home to 7,748 business establishments, including 590 restaurants.
Housing & Cost of Living
The median home value in Harbor Island is $284,500 , 1% above the national median of $281,900.
Zillow estimates the typical home at $717,792. The cost of living index is 93.7 (100 = national average). The median home was built in 1996.
Education
80.8% of adults in Harbor Island hold a bachelor's degree or higher
(140% above the national average).
94.8% have completed high school. Local schools score 5.2/10 in standardized testing.
Climate & Weather
Harbor Island has an average annual temperature of 66°F (19°C).
Winters average 48°F in January while summers reach 82°F in July. Annual precipitation totals 45.0 inches.
Data Overview
People
Population310
Median Age69.5 yrs
Density304/mi²
Male / Female55% / 45%
Foreign Born3.5%
Veterans41.0%
Economy
A+
Median Income$100,250
Per Capita$41,638
Unemployment0.0%
Poverty0.0%
County GDP$12,873M
Avg Weekly Wage$1,053
Housing
A+
Home Value$284,500
Rent
Ownership84.2%
Zillow$717,792
Housing Units425
Rent Burden29.9%
Health
Obesity22.9%
Diabetes6.5%
Smoking6.0%
Heart Disease3.6%
Premature Death7,369/100K
Climate
Avg Temp66°F
Rain45.0 in/yr
Elevation2 ft
Education
A+
Bachelor's+80.8%
High School+94.8%
Graduate+42.7%
School Score5.2/10
Community
2024 VoteR 57% / D 42%
Commute27 min
Broadband92.5%
Internet Speed82 Mbps
EV Stations3
Libraries7
Did You Know?
The median home in Harbor Island was built in 1996.
24.6% work from home.
The nearest airport is Lowcountry Regional (37 miles).
The Gini coefficient (income inequality) is 0.478 (U.S. avg: 0.490).
Natural hazard risk is rated "Relatively High" by FEMA.
2.9% of the population has a disability.
There are 590 restaurants in the area.
The county recorded 22 fatal vehicle crashes.