Harbor Island is a CDP located in Beaufort County South Carolina. Harbor Island has a 2024 population of 323. Harbor Island is currently growing at a rate of 7.67% annually and its population has increased by 2.22% since the most recent census, which recorded a population of 316 in 2020.
The average household income in Harbor Island is $85,874 with a poverty rate of 0%. The median age in Harbor Island is 69.6 years: 69.4 years for males, and 70.2 years for females.
According to the most recent ACS, the racial composition of Harbor Island was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 268 | 96.75% |
| Two or more races | 9 | 3.25% |
| Black or African American | 0 | 0% |
| Native American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
White
Two or more races
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 121 | 2.29 | 82.6 | 17.4 |
| Married | 108 | 2.4 | 80.6 | 19.4 |
| Non Family | 13 | 1.38 | 100 | 0 |
| Male | 0 | 0 | 0 | 0 |
| Female | 0 | 0 | 0 | 0 |
2.4
Average Family Size
2.29
Average Household Size
82.6%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 16 | 5.84% |
| Associates Degree | 8 | 2.92% |
| Bachelors Degree | 105 | 38.32% |
| Graduate Degree | 117 | 42.7% |
| High School Graduate | 9 | 3.28% |
| Less Than 9th Grade | 0 | 0% |
| Some College | 19 | 6.93% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 268 | 252 | 222 |
| 2+ Races | 6 | 6 | 0 |
The highest rate of high school graduation is among 2+ races people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 82.84%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $35,000 | $0 | $0 |
| Graduate Degree | $0 | $0 | $0 |
| High School Graduate | $0 | $0 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $27,708 | $29,375 | $0 |
| Some College | $0 | $0 | $25,000 |
$27,708
Average Earnings
$29,375
Average Male
$0
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
100% of Harbor Island residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 0% |
| High School | 0% |
| Some College | 0% |
| Bachelors or Greater | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $97,950 | $87,307 |
| Households | $97,825 | $85,874 |
| Married Families | $97,950 | $-999,999,999 |
| Non Families | - | $73,962 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
93.1%
Overall Marriage Rate
94.7%
Male Marriage Rate
91.3%
Female Marriage Rate
male
female
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
120
Number of Veterans
116
Male Veterans
4
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 25 |
| Second Gulf War | 4 |
| First Gulf War | 4 |
| Korea | 4 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 112 |
| 75+ | 8 |
| 18 to 34 | 0 |
| 35 to 54 | 0 |
| 55 to 64 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 116 | 43.28% |
| 2+ Races | 4 | 44.44% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
3.33%
Veteran Disability Rate
LaborForceParticipation
24.5%
Labor Force Participation
23.1%
Employment Rate
5.9%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
1.08%
Born in Harbor Island
98.56%
Native Born
1.44%
Foreign Born
0%
Non Citizen
1.44%
Naturalized
98.56% of Harbor Island residents were born in the United States, with 1.08% having been born in South Carolina. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 323 | 23 | 7.67% |
| 2023 | 300 | 23 | 8.3% |
| 2022 | 277 | -23 | -7.67% |
| 2021 | 300 | -16 | -5.06% |
| 2020 | 316 | 0 | 0% |