Seabrook Island, SC ZIP Codes
One ZIP code serves Seabrook Island, South Carolina: 29455. Together they are home to 27,576 residents in 12,249 households. That is more than the 2,204 people counted inside Seabrook Island town limits, because these ZIP codes reach past its boundary.
Seabrook Island town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 2,204 |
| Households | 1,250 |
| Median household income | $127,500 |
| Median home value | $1,001,400 |
| Median age | 68.9 |
| Median rent | $3,501 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 27,576 |
| Households (sum of ZIP codes) | 12,249 |
| Median household income, range across ZIP codes | $121,372 (29455) to $121,372 (29455) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $121,372 |
| Homeowners | 88.2% |
| Households with kids under 18 | 18.4% |
| Moved in the past year | 16.0% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Seabrook Island
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 29455 | Johns Island | 27,576 | 12,249 | $121,372 | $590,800 | 88.2% | 18.4% | 16.0% | — | — | 6% of its land |
A ZIP code is listed for Seabrook Island when at least 10% of its land lies inside Seabrook Island town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Seabrook Island. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Seabrook Island.
Counties
- Charleston County — 27 ZIP codes
Nearby cities sharing these ZIP codes
- Charleston — 11 ZIP codes
Price a mailing to Seabrook Island ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Seabrook Island, SC?
- 29455. A ZIP code is listed for Seabrook Island when at least 10% of its land lies inside Seabrook Island town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Seabrook Island.
- What is the population of Seabrook Island, SC?
- The Census Bureau counts 2,204 residents inside Seabrook Island town limits (ACS 2020–2024). The 1 ZIP code that serve Seabrook Island hold 27,576 residents in all.
- What is the median household income in Seabrook Island, SC?
- $127,500 inside Seabrook Island town limits, per the Census Bureau. Across its ZIP codes the medians run from $121,372 to $121,372.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.