County ZIP codes · South Carolina · FIPS 45013
Beaufort County, SC ZIP Codes
Beaufort County, South Carolina has 21 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 15 residential and 6 for PO boxes or a single organization. 14 of the residential ones lie mainly in Beaufort County and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $68,174 in 29906 (Beaufort) to $98,912 in 29910 (Bluffton) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Beaufort County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $69,752 and $97,576.
They carry 11 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 15 residential ZIP codes in Beaufort County
14 ZIP codes lie mainly in Beaufort County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 29910 | Bluffton | 53,019 | 508 | $99k | $487k | 100% |
| 29906 | Beaufort | 25,342 | 564 | $68k | $265k | 100% |
| 29926 | Hilton Head Island | 24,458 | 852 | $98k | $639k | 100% |
| 29909 | Okatie | 24,003 | 431 | $91k | $453k | 98% |
| 29902 | Beaufort | 17,650 | 973 | $70k | $349k | 100% |
| 29928 | Hilton Head Island | 15,785 | 762 | $98k | $798k | 100% |
| 29907 | Beaufort | 15,190 | 359 | $97k | $428k | 100% |
| 29920 | Saint Helena Island | 10,606 | 109 | $78k | $289k | 100% |
| 29935 | Port Royal | 3,513 | 1,506 | $77k | $264k | 100% |
| 29940 | Seabrook | 3,256 | 44 | $54k | $172k | 100% |
| 29905 | Parris Island | 1,729 | 610 | – | – | 100% |
| 29904 | Beaufort | 1,600 | 403 | – | – | 100% |
| 29915 | Daufuskie Island | 619 | 57 | $156k | $576k | 100% |
| 29941 | Sheldon | 329 | 22 | $120k | $2M+ | 100% |
Partly in Beaufort County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 29945 | Yemassee | 3,918 | 19 | $55k | $124k | 27% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
2 ZIP codes of Beaufort County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Beaufort | Elsewhere |
|---|---|---|
| 29909 | 98% | Jasper County 2% |
| 29945 | 27% | Colleton County 42%; Hampton County 16%; Jasper County 16% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Beaufort County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Beaufort County starts with 299.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 299 | Charleston, SC (SCF 294) | 21 | 39 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.