ZIP code · Wadmalaw Island · South Carolina · United States
ZIP code 29487 — Wadmalaw Island
ZIP code 29487 serves Wadmalaw Island, South Carolina.
- Postal code
- 29487Single source Value from one source, not cross-checked.
- City
- Wadmalaw Island
- County
- Charleston FIPS 45019
- State
- South Carolina
- Country
- United States
- Coordinates
- 32.6529, -80.1829 — precision precise (locality)
View on OpenStreetMap - Population
- 2,702 (ZCTA, ACS 5-year)
- Population density
- 64 / sq mi
- Land area
- 41.9 sq mi (108.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $93,480
- Per-capita income
- $63,750
- Median age
- 48.8
- Households
- 1,063
- Housing units
- 1,266
- Median home value
- $442,100
- Median gross rent
- $1,409 / month
- Congressional district
- SC-1 (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 29487 with another ZIP · ZIPs within 25 miles · distance from 29487
Map of ZIP code 29487
Climate — monthly normals
Warmest month Jul (avg high 90°F), coldest Jan (avg low 40°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 59 | 63 | 69 | 76 | 83 | 88 | 90 | 90 | 85 | 78 | 68 | 61 |
| Avg low °F | 40 | 43 | 48 | 56 | 64 | 71 | 74 | 74 | 69 | 60 | 49 | 43 |
| Precip in | 3.6 | 2.9 | 3.9 | 3.5 | 2.8 | 5.2 | 6.5 | 7.5 | 5.2 | 4.3 | 2.6 | 3.9 |
NOAA 1991–2020 climate normals from the nearest station: EDISTO IS MIDDLETON PLANTATION (8.9 mi) · NOAA NCEI
Places in ZIP 29487
- 1 schools
- 2 supermarkets
- 1 parks
- 2 post offices
- 10 places of worship
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page