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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2023

Zip Code 29451, Isle Of Palms, SC

ZIP Code 29451 Details

Zip Code:29451
City:Isle Of Palms
State:SC [South Carolina]
Multi County:No
City Alias(es):Isle Of Palms
Dewees Island
Area Code:843 / 854
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:0 ft
State FIPS:45
County FIPS:019
Division:South Atlantic
Intro Date:<2004-10

ZIP Code 29451 2020 Census Demographics

Current Population:6,634
2020 Population:4,417
Households per ZIP Code:1,933
Average House Value:$889,300
Avg. Income Per Household:$145,682
Persons Per Household:2.29
White Population:4,172
Black Population:17
Hispanic Population:101
Asian Population:35
American Indian Population:3
Hawaiian Population:2
Other Population:29
Male Population:2,155
Female Population:2,262
Median Age:56.10 years
Male Median Age:56.10 years
Female Median Age:56.00 years

ZIP Code 29451 Other Demographics

# Residential Mailboxes:2,897
# Business Mailboxes:97
Total Delivery Receptacles:3,896
Number of Businesses:157
1st Quarter Payroll:$12,239,000
Annual Payroll:$69,565,000
# of Employees:1,435
Water Area:3.413 sq mi
Land Area:9.117 sq mi
118th Congressional District:01
118th Congressional Land Area:1547.86 sq mi
Single Family Delivery Units:2,639
Multi Family Delivery Units:168
# Residential Mailboxes:2,897
# Business Mailboxes:97
Total Delivery Receptacles:3,896

ZIP Code 29451 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 1,285 1,335 +50
Retired Workers: 1,085 1,120 +35
Disabled Workers: 30 30 0
Widow(er)s and Parents: 60 60 0
Spouses: 90 105 +15
Children: 20 20 0
65+: 1,180 1,235 +55
Monthly Benefits - All: $2,221,000 $2,384,000 +$163,000
Monthly Benefits - Retired Workers: $1,969,000 $2,107,000 +$138,000
Monthly Benefits - Widow(ers): $88,000 $96,000 +$8,000

ZIP Code 29451 Statistical Areas

CBSA: 16700
CBSA Name: Charleston-North Charleston, SC
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:664,607
CBSA Division Population:0
MSA: 1440
MSA Name: Charleston-North Charleston, SC MSA
PMSA Name: 
City State Key:X24064
Preferred Last Line Key:X24064
29450: Previous ZIP Code
Next ZIP Code: 29452


  1. U.S. Postal Service [Last Updated: 5/1/2023],
  2. Internal Data Creation [Last Updated: 5/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 5/1/2023],
  6. U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],