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 is classified by USPS as a standard delivery area and covers roughly 145.8 square miles in Seabrook, Beaufort County, South Carolina. The area is home to 3,967 residents, producing a population density of 27 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 29940 against South Carolina and the nation.
On the economic side, the median household income for ZIP 29940 sits at $54,177 (15% below the South Carolina average), while per-capita income is $32,595. The poverty rate stands at 20.4% and the unemployment rate at 2.7%. On housing, the median home value is $172,100 (24% below the state average) with median rent at — per month, and 86.1% of occupied units are owner-occupied, a direct signal of whether 29940 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 20.1% of adults hold a bachelor's degree or higher, the median age is 56.8, and the average commute is —. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Beaufort County, so you can benchmark 29940 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 29940
Top 5 sectors by establishment count
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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
$32,595
Per Capita Income
20.4%
Poverty Rate
2.7%
Unemployment Rate
How ZIP 29940 ranks nationally
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
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?
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
$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.
- 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.
More ZIP Codes in Beaufort County
Related Areas
Frequently Asked Questions
What county is ZIP code 29940 in? ▼
What is the population of ZIP code 29940? ▼
What is the median household income in ZIP 29940? ▼
What is the average home value in ZIP 29940? ▼
What is the demographic makeup of ZIP 29940? ▼
How many businesses are in ZIP code 29940? ▼
What are the main industries in ZIP code 29940? ▼
What is the education level in ZIP code 29940? ▼
What percentage of residents own vs. rent in ZIP 29940? ▼
What is the poverty rate in ZIP code 29940? ▼
ZIP Code Research Guides
Official Data Resources for Seabrook, SC
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.