Residential delivery area · South Carolina
ZIP Code 29940: Seabrook, SC
ZIP code 29940 uses the postal name Seabrook, South Carolina and lies entirely in Beaufort County (Census 2020 ZIP-county file). About 3,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $54,177 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Seabrook (7%), Sheldon (6%), Lobeco (4%) and Dale (3%); 80% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Seabrook · its only residential ZIP
- County
- Beaufort County
- Census places
- Seabrook (7%) census-designated place; Sheldon (6%) census-designated place; Lobeco (4%) census-designated place; Dale (3%) census-designated place
- Metro area
- Hilton Head Island-Bluffton-Port Royal, SC
- House district
- SC-1 119th Congress
- State
- South Carolina
- Time zone
- Eastern
- Land area
- 74.0 sq mi · 44 people per sq mi
Where is ZIP code 29940?
29940 centers on 32.553°, -80.678° and covers 74.0 square miles of land plus 16.9 of water. It borders 5 ZIP codes: 29907, 29941, 29906, 29446, 29945.
The map draws ZIP code areas only. For the streets inside 29940, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 29940 compare with the rest of Beaufort County?
| Measure | 29940 | In Beaufort County | In SC |
|---|---|---|---|
| People (ACS 2020-2024) | 3,256 | 11th of 15 | 263rd of 424 |
| Median household income | $54k | not ranked | not ranked |
| Median home value | $172k | not ranked | not ranked |
29940's median household income is not ranked: its 90% margin of error (±$21,457) is more than a quarter of the figure ($54,177); 29940's median home value is not ranked: its 90% margin of error (±$102,113) is more than a quarter of the figure ($172,100). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 40% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 29940?
The 2020 Census counted 3,789 people in 29940; the ACS, which samples households over 2020-2024, estimates 3,256. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 3,256±678 (90% margin)
- 2020 Census count
- 3,789
- Households
- 1,502
- Median age
- 56.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 29940?
Of the 3,256 people the ACS estimates in 29940, 9.7% are under 18 and 32.1% are 65 or older. The largest group by race and Hispanic origin is Black (not Hispanic) (60.2%), then White (not Hispanic) (35.5%).
- Under 189.7%
- 18 to 6458.2%
- 65 and older32.1%
- Black, not Hispanic60.2%
- White, not Hispanic35.5%
- Other or two or more2.2%
- Hispanic or Latino2.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 29940 earn?
Median household income is $54,177 (ACS 2020-2024).
- Median household income
- $54,177±$21,457
- Income per person
- $32,595
- Below the poverty line
- 20.4%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 20.1%
- Adjusted gross income per tax return, 2022
- $63,0901,640 returns; wages 67% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 29940?
- Median home value (owners' estimate)
- $172,100
- Median gross rent
- –
- Homes owned by their occupants
- 86.1%
- Housing units
- 1,817
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 29940?
28 business establishments had a location in this ZIP code in 2023, 6 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction8
- Administrative and support and waste management and remediation services4
- Manufacturing3
- Transportation and warehousing3
- Health care and social assistance3
- Other services (except public administration)3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 29940?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 29907 | Beaufort | 15,190 | $97k | 7.1 mi |
| 29941 | Sheldon | 329 | $120k | 8.4 mi |
| 29906 | Beaufort | 25,342 | $68k | 8.6 mi |
| 29446 | Green Pond | 1,184 | – | 10.0 mi |
| 29945 | Yemassee | 3,918 | $55k | 11.2 mi |
| 29904 | Beaufort | 1,600 | – | 5.7 mi (near) |
| 29935 | Port Royal | 3,513 | $77k | 11.8 mi (near) |
| 29905 | Parris Island | 1,729 | – | 13.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.