29940 ZIP Code — Seabrook, SC

Beaufort County, South Carolina

ZIP code 29940 is located in Seabrook, South Carolina, within Beaufort County. It covers approximately 73.99 square miles and serves a population of 3,958 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 843.

About ZIP code 29940

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $113,200. Owner-occupancy is high at 84%, well above the national average.

The gap between median ($48,226) and mean household income suggests income inequality — a small number of higher earners pull the average up. SNAP benefit usage at 18% of households reflects economic stress in the area. 58% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (15%), smoking (21%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 29940 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

3,958

population

73.99

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

29940 ZIP code map

Cities in ZIP code 29940

Below are the cities the US Postal Service accepts for ZIP code 29940. Using any city not on this list may result in mail delivery delays.

City	Status
Seabrook	Acceptable
Seabrook	Preferred

Nearby ZIP codes

29945 Yemassee (6.3 mi) 29941 Sheldon (7.1 mi) 29906 Beaufort (10.2 mi) 29907 Beaufort (10.7 mi) 29446 Green Pond (12.3 mi) 29935 Port Royal (12.6 mi) 29902 Beaufort (13.5 mi) 29936 Ridgeland (15.6 mi) 29920 Saint Helena Island (16.2 mi) 29916 Early Branch (17.6 mi)

Demographics updated 05/2026

Population
Total population	3,958
Population density	53 / sq mi
State FIPS	45
County FIPS	013

Geography
Land area	73.99 sq mi
Water area	16.92 sq mi
Latitude	32.5680
Longitude	-80.7015
Timezone	Eastern (ET)
Area code	843

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.6%	34.2%	45.8%
$50k – $100k	27.8%	32.9%	30.5%
$100k – $200k	11.5%	23.6%	18.6%
Over $200k	5.1%	9.3%	5.1%

Demographics & statistics

3,958

Population

People per sq mi

52.2

Median age

$48,226

Median household income

$32,334

Per capita income

$113,200

Median home value

Median monthly rent

84.4%

Home ownership

14.3%

Poverty rate

5.2%

Unemployment

1,645

Housing units

18.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

115

10–14

115

160

15–19

161

20–24

145

25–34

146

279

35–44

280

211

45–54

213

222

55–59

223

113

60–64

114

348

65–74

351

161

75–84

162

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	571	14.4%
18 and over	3,387	85.6%
65 and over	1,085	27.4%
Median age	52.2 years

Race & ethnicity

Black or African American 63.5%

White 29.9%

Two or more races 6%

Hispanic or Latino 0.6%

Group	Count	%
Black or African American	2,529	63.5%
White	1,190	29.9%
Two or more races	239	6%
Hispanic or Latino	24	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.6%	34.2%	45.8%
$50k – $100k	27.8%	32.9%	30.5%
$100k – $200k	11.5%	23.6%	18.6%
Over $200k	5.1%	9.3%	5.1%

Under $10k 7.7%

$10k–$15k 7.7%

$15k–$25k 9.0%

$25k–$35k 12.9%

$35k–$50k 15.4%

$50k–$75k 18.3%

$75k–$100k 8.8%

$100k–$150k 8.8%

$150k–$200k 3.0%

$200k+ 8.3%

Range	% of households
Under $10k	7.7%
$10k–$15k	7.7%
$15k–$25k	9.0%
$25k–$35k	12.9%
$35k–$50k	15.4%
$50k–$75k	18.3%
$75k–$100k	8.8%
$100k–$150k	8.8%
$150k–$200k	3.0%
$200k+	8.3%
Median income	$48,226

Housing

Home values

Under $50k 31.5%

$50k–$100k 13.5%

$100k–$150k 15.3%

$150k–$200k 9.5%

$200k–$300k 7.1%

$300k–$500k 1.8%

$500k–$1M 12.8%

$1M+ 8.6%

Housing overview

Metric	Value
Median home value	$113,200
Median rent / month	$0
Owner occupied	84.4%
Renter occupied	15.6%
Vacant	16.7%
Single-family detached	46.1%
Large apartment buildings	0.0%
Mobile homes	53.9%
Median rooms	6.4
Avg household size (owned)	2.56

Year built

Era	%
2020 or later	0.4%
2010–2019	21.6%
2000–2009	27.7%
1990–1999	15.0%
1980–1989	10.0%
1970–1979	21.4%
1960–1969	2.4%
1950–1959	1.2%
1940–1949	0.3%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	1.2%
2 bedrooms	13.6%
3 bedrooms	49.7%
4 bedrooms	32.7%
5+ bedrooms	2.3%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	40.8%
2 vehicles	34.9%
3 or more	22.1%

Heating fuel

Fuel type	%
Utility gas	5.5%
Electricity	84.3%
Propane / LP gas	7.7%
Fuel oil	1.8%
Wood	0.8%

Households & families

Household type	Count	%
Married-couple family	692	43.9%
Cohabiting couple	27	1.7%
Male householder, no spouse	327	20.7%
Female householder, no spouse	530	33.6%
Households with children under 18	324	20.6%
Households with seniors (65+)	724	45.9%
Average household size	2.51

Marital status

Status	Male	Female
Never married	40.6%	30.1%
Married	42.3%	41.7%
Separated	0.0%	1.9%
Widowed	4.8%	15.1%
Divorced	12.3%	11.2%

Education

Less than 9th grade 2.9%

Some HS, no diploma 6.9%

HS graduate 53.5%

Some college, no degree 10.2%

Associate's degree 7.8%

Bachelor's degree 12.3%

Graduate / professional 6.3%

Metric	%
HS diploma or higher	90.1%
Bachelor's or higher	18.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	39	5.5%
Elementary school	249	34.9%
High school	226	31.7%
College / grad school	200	28.0%

Employment

Industry of employment

Education & healthcare 24.3%

Retail trade 21.3%

Other services 9.8%

Professional & management 9.6%

Arts, food & hospitality 8.8%

Construction 7.9%

Transportation & utilities 6.5%

Public administration 5.0%

Manufacturing 2.8%

Finance & real estate 2.1%

Information 1.5%

Wholesale trade 0.5%

Occupation

Category	%
Management, business & arts	18.7%
Service	19.5%
Sales & office	28.1%
Natural resources & construction	16.6%
Production & transportation	17.2%

Employment type

Type	%
Private sector	64.8%
Government	24.0%
Self-employed	9.2%
Unpaid family workers	2.1%

Commute

Method	%
Drive alone	78.5%
Carpool	16.1%
Public transit	0.0%
Walk	0.0%
Work from home	2.6%
Other means	2.7%
Avg commute (minutes)	27.0

Poverty

All people 14.3%

Under 18 years 6.0%

18 and over 15.7%

Married-couple families 14.9%

Female-led households 6.5%

Income support

Source	% of households
Social Security	58.2%
Retirement income	34.7%
Supplemental Security	14.4%
Cash public assistance	0.0%
Food stamps / SNAP	18.1%

Health indicators

Condition	%
Obesity	37.5%
High blood pressure	44.9%
High cholesterol	36.4%
Diabetes	15.4%
Heart disease	7.1%
Stroke	4.5%
Asthma	10.8%
Arthritis	30.3%
Kidney disease	3.6%
Pulmonary disease	7.9%
Cancer	6.1%

Behavior / access	%
Smoking	21.3%
Binge drinking	14.5%
No physical activity	28.6%
Less than 7 hrs sleep	41.3%
Depression	19.4%
Fair or poor health	19.9%
Poor mental health	15.1%
Poor physical health	13.0%
No health insurance	19.8%
Visited doctor (checkup)	82.1%
Visited dentist	60.4%
Cholesterol screening	90.3%
Teeth loss	18.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	424	12.6%

Disability	%
Any disability	20.0%
Under 18	7.2%
18–64 years	10.8%
65 and over	46.4%

Health insurance coverage

Type	%
Private insurance	57.8%
Public insurance	49.1%
No insurance	10.2%
Uninsured under 19	11.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,817	96.4%
Spanish	5	0.1%
Other Indo-European	5	0.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,900	98.5%
Born in same state	3,900	98.5%
Born in different state	3,054	77.2%
Foreign born	0	0.0%
Naturalized citizen	58	1.5%
Not a US citizen	53	91.4%

Ancestry

Ancestry	Count	%
Arab	264	6.7%
French	105	2.7%
Italian	87	2.2%

Ancestry	Count	%
Norwegian	6	0.2%
German	5	0.1%

Technology access

Metric	% of households
Computer access	39.8%
Internet access	90.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 29940

What city is ZIP code 29940 in?

ZIP code 29940 is primarily assigned to Seabrook, South Carolina.

What county is ZIP code 29940 in?

ZIP code 29940 falls within Beaufort County, South Carolina.

Does ZIP code 29940 have a large retiree population?

58% of households in ZIP code 29940 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 29940 have an older population?

27% of residents in ZIP code 29940 are 65 or older, above the national average of ~17%.

Is ZIP code 29940 mostly owner-occupied?

84% of occupied units in ZIP code 29940 are owner-occupied, well above the national average.

Does ZIP code 29940 have a large veteran population?

13% of civilians in ZIP code 29940 are veterans, above the national average of ~7%.

What timezone is ZIP code 29940 in?

ZIP code 29940 observes the EST timezone.