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 Moderate-density area
- $54,177
- Median income Below-median income area
- $172,100
- Median home value Near-median home value
- 20.1%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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 average South Carolina ZIP), while per-capita income is $32,595. The poverty rate is 20.4%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $172,100 (24% below the average South Carolina ZIP); owner occupancy is 86.1%.
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 -. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Beaufort County, so 29940 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
8 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
4 establishments
- Manufacturing 3
Manufacturing
3 establishments
- Transportation and warehousing 3
Transportation and warehousing
3 establishments
- Health care and social assistance 3
Health care and social assistance
3 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, 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
Who lives in ZIP 29940?
56.8
Median Age
45.9%
Male
54.1%
Female
2.7%
Foreign-Born
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 ZIP avg
$32,595
Per Capita Income
20.4%
Poverty Rate
2.7%
Unemployment Rate
How ZIP 29940 ranks among South Carolina ZIPs
Seabrook, SC household income vs. every South Carolina ZIP code
Median household income among 384 reporting South Carolina ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$54,177 37th percentile higher than 37% of 384 South Carolina ZIPs
Each bar is a $20K-wide band; taller bars hold more South Carolina 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,817housing units
1,817
Total Housing Units
1,502
Occupied Units
315
Vacant Units
2.17
Avg Household Size
Occupancy Type
$172,100
Median Home Value
-24% vs state ZIP avg
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.
- 29906
Beaufort (29906)
21,765 residents
- 29907
Beaufort (29907)
12,570 residents
- 29945 4,841
Yemassee (29945)
4,841 residents
- 29940 3,967
Seabrook (29940)
3,967 residents
- 29904 659
Beaufort (29904)
659 residents
- 29941 497
Sheldon (29941)
497 residents
What this shows Among its immediate neighbors, ZIP 29940 ranks #4 by population - useful context the national average alone can't give.
ZIP 29940 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 29941
Sheldon (29941)
$119,886 median income
- 29907
Beaufort (29907)
$97,446 median income
- 29906
Beaufort (29906)
$68,174 median income
- 29945
Yemassee (29945)
$55,449 median income
- 29940
Seabrook (29940)
$54,177 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 29940, both outside SC so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (3,967 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Beaufort County
Related Areas
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.
Related
Take this with you
What to do with ZIP 29940's numbers, next.
- See how ZIP 29940 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Seabrook, SC ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.