Wadmalaw Island, SC 29487 ZIP Code Profile

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Wadmalaw Island, SC

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ZIP Code 29487: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Wadmalaw Island, SC 29487

Acceptable Alternative
Wadmalaw Is, SC 29487

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 50
  • Single Family Addresses: 1,176
  • Multi-Family Addresses: 0
  • County: Charleston County
  • Centroid: Latitude 32.653, Longitude -80.187
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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29487 ZIP Code Map

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Wadmalaw Island, SC 29487 Data & Demographics (As of July 1, 2017)


Total Population 2,879
Daytime Population: Workers 368
Daytime Population: Residents 1,634
Total Daytime Population (TDP) 2,002
Ratio TDP/Total Population1 0.70
Population in Households 2,879
Population in Familes 2,454
Population in Group Qrtrs 0
Population Density2 63
Diversity Index3 55


Median Household Income $48,435
Average Household Income $71,368
Per Capita Income $28,904


Total Housing Units 1,391 (100%)
Owner Occupied HU 999 (71.8%)
Renter Occupied HU 167 (12.0%)
Vacant Housing Units 225 (16.2%)
Median Home Value $322,727
Average Home Value $467,442


Total Households 1,166
Average Household Size 2.47
Family Households 825
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.76% 0.99%
Households 0.82% 1.01%
Families 0.6% 0.88%
Median Household Income   4.66%
Per Capita Income   4.04%

Wadmalaw Island, SC 29487 - Peer Comparisons by Rank and Percentile

The table below compares 29487 to the other 395 ZIP Codes in South Carolina by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 277 30th
Population Density # 235 41st
Diversity Index # 102 74th
Median Household Income # 119 70th
Per Capita Income # 70 83rd

Additional comparisons and rankings can be made with a VERY EASY TO USE South Carolina Census Data Comparison Tool.

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