Saint Helena Island, SC 29920 ZIP Code Profile

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

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
  • County: Beaufort County
  • Centroid: Latitude 32.37, Longitude -80.55
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 223
  • PO Box Addresses: 802
  • Residential Addresses: 5,024
    • Multi-Family Addresses: 95
    • Single Family Addresses: 4,929

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

Jump to... (On This Page!)
  1. 29920 2018 Demographic Data
  2. Growth Rates for 29920 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. South Carolina Research Tools (Easy Tools & Current Data)
  3. South Carolina Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Saint Helena Island, SC 29920 Data & Demographics (As of July 1, 2018)


Total Population 10,892
Population in Households 10,870
Population in Familes 8,964
Population in Group Qrtrs 22
Population Density2 108
Diversity Index3 57


Median Household Income $44,826
Average Household Income $65,414
Per Capita Income $27,968


Total Housing Units 7,910 (100%)
Owner Occupied HU 4,014 (50.7%)
Renter Occupied HU 634 ( 8.0%)
Vacant Housing Units 3,262 (41.2%)
Median Home Value $207,937
Average Home Value $311,472


Total Households 4,648
Average Household Size 2.34
Family Households 3,139
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 1.7% 1.92%
Households 1.8% 1.95%
Families 1.55% 1.79%
Median Household Income   2.63%
Per Capita Income   2.76%

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

The table below compares 29920 to the other 393 ZIP Codes in South Carolina by rank and percentile using July 1, 2018 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 # 158 60th
Population Density # 176 55th
Diversity Index # 70 82nd
Median Household Income # 159 60th
Per Capita Income # 91 77th

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

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South Carolina Census Data Comparison Tool

Compare South Carolina July 1, 2018 Data
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