The ZIP Code maps and database are updated 4 times per year. Database updated: March 1, 2026, Maps updated: May 1, 2024.
Advertisement
Johns Island, SC 29455 Data & Demographics
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION
Total Population
27,576 (100%)
Population Density
275 per sq mi
Diversity Index1
41
INCOME
Median Household Income
$121,372
Per Capita Income
$80,015
Median Home Value
$590,800
HOUSING
Total HU (Housing Units)
17,781 (100%)
Owner Occupied HU
10,804 (60.8%)
Renter Occupied HU
1,445 (8.1%)
Vacant Housing Units
5,532 (31.1%)
HOUSEHOLDS
Total Households
12,249
Average Household Size
2.24
Family Households
8,556 (69.9%)
NOTES
The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).
Johns Island, SC 29455 - Peer Comparisons by Rank and Percentile
The table below compares 29455 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates 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.
