PlainZIP

Seabrook, SC · standard

ZIP Code 29940

Beaufort County, South Carolina - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

3,967
27/sq mi
$54,177
Median income
$172,100
Median home value
20.1%
Bachelor's or higher

The verdict

Seabrook pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.

20th pct
household income, US ZIPs
35th pct
home value, US ZIPs
27
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 29940 against every reporting US ZIP.

ZIP code 29940 covers 145.8 square miles in Seabrook, Beaufort County, South Carolina (a standard USPS delivery area), with a modest 3,967 residents on file, a density of 27 people per square mile, in the New York time zone.

ZIP 29940 reports a modest median household income of $54,177 (15% below the South Carolina average), while per-capita income is $32,595. Local economic indicators show a 20.4% poverty rate alongside 2.7% unemployment. Housing costs here run $172,100 for a typical home value (24% below the state average), with rent averaging - a month; 86.1% of homes are owner-occupied.

Educational attainment sits below the national norm: 20.1% of adults hold a bachelor's degree or higher, the median age is 56.8, and the average commute is -. Beyond these figures, 5 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Beaufort County, letting you compare 29940 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 29940

Top 5 sectors by establishment count in Seabrook, SC

Which industries have the most business establishments in ZIP 29940.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 29940, Seabrook, SC · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

3,967

Population

145.8

Area (sq mi)

27

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 29940?

56.8

Median Age

45.9%

Male

54.1%

Female

2.7%

Foreign-Born

White 35.5%
African American 60.2%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.5%
Hispanic or Latino 2.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$54,177

Median Household Income

-15% vs state

$32,595

Per Capita Income

20.4%

Poverty Rate

2.7%

Unemployment Rate

How ZIP 29940 ranks nationally

Seabrook, SC household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$54,177 20th percentile higher than 20% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 63.4%
Bachelor's Degree or Higher 20.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,817

Total Housing Units

1,502

Occupied Units

315

Vacant Units

2.17

Avg Household Size

Occupancy Type

Owner 86.1%
Renter 13.9%

$172,100

Median Home Value

-24% vs state

1999

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 28 business establishments in ZIP 29940, employing approximately 177 people with a combined annual payroll of $11,144,000.

28

Businesses

177

Employees

$11.1M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Construction 8 28.6%
Administrative and support and waste management and remediation services 4 14.3%
Manufacturing 3 10.7%
Transportation and warehousing 3 10.7%
Health care and social assistance 3 10.7%
Other services (except public administration) 3 10.7%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 29940 vs 29904 →

ZIP 29940 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 29940 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 29940 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 29940 ranks #5 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
29904 Beaufort, SC 659 6.7 mi
29941 Sheldon, SC 497 6.2 mi
29906 Beaufort, SC 21,765 7.8 mi
29945 Yemassee, SC 4,841 9.4 mi
29907 Beaufort, SC 12,570 9.0 mi

More ZIP Codes in Beaufort County

29910 standard
Bluffton, SC
Pop: 33,954
29926 standard
Hilton Head Island, SC
Pop: 23,742
29906 standard
Beaufort, SC
Pop: 21,765
29909 standard
Okatie, SC
Pop: 16,394
29928 standard
Hilton Head Island, SC
Pop: 16,110
29902 standard
Beaufort, SC
Pop: 14,779

Related Areas

Beaufort County Seabrook, SC South Carolina

Frequently Asked Questions

What county is ZIP code 29940 in? ▼
ZIP code 29940 (Seabrook) is located in Beaufort County, South Carolina. Beaufort County contains multiple ZIP codes, see the full list at /counties/beaufort-sc.
What is the population of ZIP code 29940? ▼
ZIP code 29940 in Seabrook, SC has a population of 3,967 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 29940? ▼
The median household income in ZIP 29940 is $54,177, which is 29% below the national average of $76,288.
What is the average home value in ZIP 29940? ▼
The median home value in ZIP 29940 is $172,100, which is 38% below the national average of $278,155.
What is the demographic makeup of ZIP 29940? ▼
The largest racial group in ZIP 29940 is African American at 60.2%. Hispanic or Latino residents make up 2.0% of the population.
How many businesses are in ZIP code 29940? ▼
ZIP code 29940 has 28 business establishments employing approximately 177 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 29940? ▼
The top industries by establishment count in ZIP 29940 are: Construction (8), Administrative and support and waste management and remediation services (4), Manufacturing (3). There are 6 industry sectors represented in total.
What is the education level in ZIP code 29940? ▼
In ZIP code 29940, 63.4% of residents aged 25+ have a high school diploma or higher, and 20.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 29940? ▼
In ZIP code 29940, approximately 86.1% of occupied housing units are owner-occupied and 13.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 29940? ▼
The poverty rate in ZIP code 29940 is 20.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.