Saint Helena Island, SC 29920 ZIP Code Profile

Related Place Profiles:
Dataw Island, SC | Frogmore, SC

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ZIP Code 29920: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Saint Helena Island, SC 29920

Acceptable Alternative
Fripp Island, SC 29920
St Helena Is, SC 29920

Not Acceptable, USPS
Dataw Island, SC 29920
Frogmore, SC 29920
Harbor Isl, SC 29920

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 215
  • Single Family Addresses: 4,594
  • Multi-Family Addresses: 73
  • County: Beaufort County
  • Centroid: Latitude 32.37, Longitude -80.55
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

29920 ZIP Code Map

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Saint Helena Island, SC 29920 Data & Demographics (As of July 1, 2014)


Total Population 9,758
Population in Households 9,736
Population in Familes 8,003
Population in Group Qrtrs 22
Population Density1 91
Diversity Index2 58


Total Households 4,193
Average Household Size 2.32
Family Households 2,855
Average Family Size 3


Total Housing Units 7,371 (100%)
Owner Occupied HU 3,426 (46.5%)
Renter Occupied HU 767 (10.4%)
Vacant Housing Units 3,178 (43.1%)
Median Home Value $143,980
Average Home Value $242,820


Median Household Income $35,994
Average Household Income $59,781
Per Capita Income $25,697
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.68% 1.52%
Households 1.05% 1.66%
Families 0.76% 1.48%
Median Household Income   2.64%
Per Capita Income   1.79%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Saint Helena Island, SC 29920 - Peer Comparisons by Rank and Percentile

The table below compares 29920 to the other 386 ZIP Codes in South Carolina by rank and percentile using July 1, 2014 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 # 165 58th
Population Density1 # 187 52nd
Diversity Index2 # 62 84th
Median Household Income # 218 44th
Per Capita Income # 72 82nd

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