ZIP Code 29940 in Seabrook, SC

Data Last Updated: October 1, 2025
City:Seabrook, South Carolina
Names to Avoid:
Coosaw
County:Beaufort County
Timezone:Eastern (GMT -05:00)
Local Time:8:49:23 PM
Population:3,789 [See All]
Area Codes:843 / 854
Classification:Standard [Normal Street Delivery]
Coordinates:32.5680, -80.7015
Land Area:73.985 sq mi
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https://www.zip-codes.com/zip-code/29940/zip-code-29940.asp

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Population & Demographics


ZIP Code 29940 has 3,789 residents and 1,536 households (average 2.47 persons per household). The median age is 47.1 years, older than the state (40.5) and significantly older than the nation (38.8). The gender split is 47.2% male and 52.8% female, which is slightly lower than the national male share (49.1%), making this a female-majority area. Largest groups are Black or African American (62.0%, much higher than the state average of 25.0% and well above the national average of 12.4%) and White (32.2%, much lower than the state average of 63.4% and well below the national average of 61.6%); Hispanic or Latino residents make up 3.4%, which is much lower than the national average (18.7%), and Black or African American share is much higher than both the state (25.0%) and national averages (12.4%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:3,789Source: Census DHC
2023 ACS Population Estimate:3,594Source: Census ACS
2025 ZC Population Estimate:3,855Source: ZIP-Codes.com
Population Density:51.2 people per sq mile
Average Income:$50,642Source: Census ACS
Households:1,536Source: Census DHC
Average House Value:$118,000Source: Census ACS
Persons Per Household:2.47Source: Census DHC
Average Family Size:3.45Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--4,0993,9974,2404,5444,4374,2034,2674,0464,0254,3404,3503,9583,594
Decennial Census3,967------------------3,789------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 47.1

Male Median Age: 45.5

Female Median Age: 49.1

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male951051499177797710111011297144130133154853117
Female77901351117410187129108127132159174173155845828
Total1721952842021511801642302182392293033043063091698945
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:1,22132.05%
Black:2,35161.71%
Hispanic:*1273.33%
Asian:180.47%
American Indian:120.31%
Hawaiian:00%
Other:812.13%
Total:3,810100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:1,78747.16%45.5 years
Females:2,00252.84%49.1 years
Total:3,789100%47.1 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:3,48196.86%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:1052.92%
Foreign born, not a U.S. citizen:83.14%
Total Population:3,594100%
Total Native Population:3,48196.86%
Total Foreign-born Population:1133.14%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $50,642, which is well under the national median ($78,538), is up $15,613 (44.6%) since 2011 and above its 2019 pre-pandemic level by $10,225. Family households earn a median of $71,293 versus $24,657 for nonfamily households (a difference of $46,636). By gender, male median income is $60,089 and female is $43,854, which is well under the national female median ($53,445), with a current gap of $16,235 that has narrowed from 2011 to 2023. The labor-force participation rate is 40.5%, which is considerably lower than the national rate (63.5%). The unemployment rate is 7.5%, which is markedly higher than the state rate (4.9%). The largest occupation group is Management (34.0%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$35,029$36,021$35,049$40,093$36,968$36,817$37,047$39,194$40,417$43,701$45,902$48,226$50,642
Median Family Income$48,407$47,778$42,188$45,750$42,596$41,888$46,150$55,242$62,519$58,594$61,818$66,563$71,293
Median NonFamily Income$24,286$23,565$14,554$19,286$27,656$27,593$22,174$24,665$28,095$26,646$27,240$32,075$24,657
Median Male Income$49,840$52,599$52,835$44,762$36,079$36,892$36,750$37,946$42,000$43,343$38,355$38,958$60,089
Median Female Income$25,972$24,500$25,222$27,750$26,823$26,189$26,607$25,083$28,542$27,768$33,458$36,811$43,854
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:1,18736.56%
Unemployed:983.02%
Not In Labor Force:1,96260.43%
Total:3,247100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:40434.04%
Service:26622.41%
Sales and Office:25321.31%
Natural resources, construction, and maintenance:907.58%
Production, transportation, and material moving:17414.66%
Total Civilian Employed Population:1,187100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $118,000, which is considerably lower than the national median ($303,400), is up $6,700 (6.02%) since 2011 and above its 2019 pre-pandemic level by $16,700. The median gross rent is $0, which is far less than the state median ($1,126), is down $890 (100.00%) since 2011 and below its 2019 pre-pandemic level by $633. Of occupied housing, owners make up 87.20% (38.11% with a mortgage, 61.89% free-and-clear) and renters 12.80% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 17.44%, which is markedly above the national rate (10.43%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$111,300$104,200$98,900$110,800$107,500$97,700$113,700$108,200$101,300$115,000$95,600$113,200$118,000
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:5025.00%
$1,000 to $1,499:00.00%
$1,500 to $1,999:00.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:15075.00%
Total:200100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$890$1,063$1,128$1,026$870$844$635$647$633$0$0$0$0
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):51933.23%
Owner Occupied (free and clear, no mortgage):84353.97%
Renter Occupied:20012.80%
Total Occupied Housing Units:1,562100%

Occupied Housing Units:1,56282.56%
Vacant Housing Units (not graphed):33017.44%
Total Housing Units:1,892100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:88446.72%
Multi-Family Units:00.00%
Other Units:1,00853.28%
Total Housing Units:1,892100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 21.30% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 87.90%, which is on par with the state rate (89.60%). The uninsured rate is 11.00%, which is comparable to the national rate (8.60%). Public coverage is 56.10%, which is far higher than the national rate (36.30%). The share of people in poverty is 16.70%, which is comparable to the national rate (8.70%), down 3.80 percentage points since 2011 and above its 2019 pre-pandemic level by 12.30 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is high school (41.81%). College enrollment is 31.76%, which is on par with the state rate (24.90%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:1023.48%
9th to 12th grade, no diploma:2548.66%
High school graduate (includes equivalency):1,34245.77%
Some college, no degree:43914.97%
Associate's degree:1715.83%
Bachelor's degree:30410.37%
Graduate or professional degree:32010.91%
Total:2,932100%
High school or higher:2,57687.86%
Bachelor's degree or higher:62421.28%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:1,91544.46%
Public Insurance:2,00046.44%
No Insurance:3929.10%
Total:4,307100%
Has Health Insurance:3,91590.90%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty20.5%25.6%26.3%22.5%23.8%19.0%10.2%7.6%4.4%10.8%16.2%16.4%16.7%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00.00%
Kindergarten:00.00%
Elementary school (grades 1-8):13426.43%
High school (grades 9-12):21241.81%
College or graduate school:16131.76%
Total:507100%
Early Childhood:00.00%
K-12 (Primary & Secondary School):34668.24%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 29940 supports both business and residential activity. According to the Business Census (2023), there are 28 business establishments, employing about 177 people with an annual payroll of $11,144,000. USPS data shows 1,561 residential mailboxes and 27 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:1,561Source: USPS
# Business Mailboxes:27Source: USPS
Total Delivery Receptacles:1,689Source: USPS
Single Family Delivery Units:1,500Source: USPS
Multi Family Delivery Units:4Source: USPS
# of Businesses:28Source: CBP
1st Quarter Payroll:$1,821,000Source: CBP
Annual Payroll:$11,144,000Source: CBP
# of Employees:177Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 29940 is located in Beaufort County, South Carolina, within the Hilton Head Island-Bluffton-Port Royal, SC Metropolitan Statistical Area (CBSA 25940) and South Carolina's 1st Congressional District. This Metro area has a population of 222,781 people, about 1.70% of whom live in ZIP Code 29940. It covers 73.985 sq mi of land and a water area of 16.919 sq mi.

CBSA Name:Hilton Head Island-Bluffton-Port Royal, SCSource: Census
CBSA Number:25940Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:222,781Source: Census
MSA:Source: Census
Land Area:73.985 sq miSource: Census
Water Area:16.919 sq miSource: Census
Congressional District:01Source: USPS
Congressional Land Area:1547.86 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:4564690Source: Census
Place Name:Seabrook CDP; South CarolinaSource: Census

Adjacent & Nearby ZIP Codes


29941 | | 29939

Schools in ZIP Code 29940


ZIP Code 29940 is in the Beaufort County School District, which serves grades Pre-Kindergarten thru 12th. There are 1 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Whale Branch Early College High 169 Detour Road
Seabrook, SC 29940
District: Beaufort County School District
Holy Trinity Classical Christian School 302 Burroughs Ave
Beaufort, SC 29902
District: Private SchoolNearby
Legacy Christian Academy 2576 Bees Creek Rd
Ridgeland, SC 29936
District: Private SchoolNearby
Step Of Faith Christian Academy 9009 Tarboro Rd
Ridgeland, SC 29936
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 29940


Technical College Of The Lowcountry 921 Ribaut Road
Beaufort, SC 29901-1288
Type: Post Secondary
University Of South Carolina Beaufort 1 University Boulevard
Bluffton, SC 29909
Type: Post Secondary
Savannah College Of Art And Design 342 Bull St
Savannah, GA 31402-3146
Type: Post Secondary
Charleston Cosmetology Institute 8484 Dorchester Road
Charleston, SC 29420
Type: Post Secondary
Vski Cosmetology School 2070 Sam Rittenberg Boulevard
Charleston, SC 29407-4610
Type: Post Secondary
Top Of The Line Barber College 1904 Savannah Highway, Unit 101, 102, 201
Charleston, SC 29407-2228
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov