ZIP Code Tabulation Area · South Carolina

ZIP Code 29451: Isle of Palms, SC

ZIP Code 29451 (Isle of Palms, Charleston County, South Carolina) has an estimated 4,362 residents in 2,043 households. The median household income is $156,979, the median home value is $1,581,300 and the median gross rent is $2,893/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Some estimates have a large margin of error. One figure for this ZIP (gross rent) is marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

4,362

Margin of error ±15

Median household income

$156,979

Margin of error ±$44,841

Median home value

$1,581,300

Margin of error ±$285,401

Median gross rent

$2,893/mo*

Margin of error ±$1,648· estimate has a large margin of error

Median age

54.6 yrs

Margin of error ±3.7 yrs

Mean travel time to work

27.9 min

Margin of error ±9.1 min

How ZIP 29451 compares with South Carolina and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 2945154.6 yrsSouth Carolina40.2 yrsUnited States38.9 yrs

Median household income

ZIP 29451$156,979South Carolina$69,324United States$80,734

Per capita income

ZIP 29451$128,199South Carolina$39,236United States$44,673

Poverty rate

ZIP 294512.5%South Carolina14.1%United States12.5%

Unemployment rate

ZIP 294511.3%South Carolina4.9%United States5.2%

Bachelor's degree or higher

ZIP 2945171.6%South Carolina32.1%United States35.7%

Median home value

ZIP 29451$1,581,300South Carolina$259,000United States$332,700

Median gross rent

ZIP 29451$2,893/mo*South Carolina$1,180/moUnited States$1,413/mo

Owner-occupied homes

ZIP 2945193.5%South Carolina71.9%United States65.2%

Mean travel time to work

ZIP 2945127.9 minSouth Carolina25.6 minUnited States26.4 min

Worked from home

ZIP 2945135.2%South Carolina11.5%United States15.1%

All figures for ZIP 29451

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 29451 — ACS 2020–2024 5-year estimates
MeasureZIP 29451Margin of errorSouth CarolinaUnited States
Total population4,362±155,296,225334,922,499
Median age54.6 yrs±3.7 yrs40.2 yrs38.9 yrs
Households2,043±1492,117,989129,227,496
Median household income$156,979±$44,841$69,324$80,734
Per capita income$128,199±$38,675$39,236$44,673
Poverty rate2.5%±1.5 pts14.1%12.5%
Unemployment rate1.3%±1.1 pts4.9%5.2%
Bachelor's degree or higher71.6%±8.2 pts32.1%35.7%
Median home value$1,581,300±$285,401$259,000$332,700
Median gross rent$2,893/mo*±$1,648$1,180/mo$1,413/mo
Owner-occupied homes93.5%±3.5 pts71.9%65.2%
Mean travel time to work27.9 min±9.1 min25.6 min26.4 min
Worked from home35.2%±9.6 pts11.5%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 29451
GroupZIP 29451South CarolinaUnited States
White alone, not Hispanic or Latino98.9%61.9%57.4%
Black or African American alone, not Hispanic or Latino0.0%24.6%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.2%0.5%
Asian alone, not Hispanic or Latino0.0%1.7%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.0%0.2%
Some other race alone, not Hispanic or Latino0.0%0.5%0.6%
Two or more races, not Hispanic or Latino0.8%3.7%4.3%
Hispanic or Latino (of any race)0.3%7.4%19.3%

Where ZIP 29451 is

State
South Carolina
Main county
Charleston County
Largest overlapping place
Isle of Palms (49% of the ZIP's land area)
Land area
9.12 sq mi· about 478 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Charleston County

29401 Charleston, SC29403 Charleston, SC29404 North Charleston, SC29405 North Charleston, SC29406 North Charleston, SC29407 Charleston, SC29409 Charleston, SC29412 Charleston, SC29414 Charleston, SC29418 North Charleston, SC29424 Charleston, SC29426 Charleston County, SC29429 Awendaw, SC29438 Charleston County, SC29439 Folly Beach, SC29449 Hollywood, SC29455 Charleston County, SC29456 North Charleston, SC29458 Charleston County, SC29464 Mount Pleasant, SC29466 Mount Pleasant, SC29470 Charleston County, SC29482 Sullivan's Island, SC29487 Charleston County, SC

See every ZIP code in South Carolina, or compare ZIP 29451 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.