ZIP Code 29451 - Isle Of Palms South Carolina
Overview
ZIP Code 29451 is located in Isle Of Palms South Carolina. Portions of 29451 are also in Isle of Palms and Sullivan's Island. 29451 is entirely within Charleston County. Regionally, 29451 is located in the Charleston Area.
ZIP Code 29451 Quick Stats
| ZIP Code Name | Isle Of Palms |
| Primary County | Charleston County |
| ZIP Code Type | Standard |
| Population (2022) | 4,378 |
| Area Code(s) | 843 / 854 |
| Current Time | EDT |
ZIP Code 29451 Map
29451 Demographics
29451 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in South Carolina based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 29451 is White. The current unemployment level in 29451 is 4.2%.
| Population | 4,378 |
| Population Growth Rate | -0.75% |
| Population Density | 467 People per Square Mile |
| Total Households | 1,783 |
| Percentage High Income Households | 19.6% |
| Median Household Income (2021) | $145,682 |
| Average Adjusted Gross Income (2021) | $770,370 |
| Current Unemployment Rate (May 2026) | 4.2% |
| Sales Tax Rate (2025) | 9% |
| Majority Race/Ethnicity | White - 96.76% |
29451 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 4,240 | 96.76% |
| Black | 0 | 0% |
| Hispanic | 56 | 1.28% |
| Asian | 85 | 1.94% |
| Native American | 1 | 0.02% |
| Hawaiian/Pac. Islander | 0 | 0% |
29451 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 116 | 3.87% |
| Bachelor Degree | 1,012 | 33.72% |
| High School Diploma | 246 | 8.2% |
| No High School Diploma | 17 | 0.57% |
| GED or Alternate | 27 | 0.9% |
| 1 or More Years of College | 468 | 15.59% |
| Associates Degree | 167 | 5.56% |
| Masters Degree | 662 | 22.06% |
| Professional Degree | 126 | 4.2% |
| Doctorate Degree | 160 | 5.33% |
29451 Geography
| Coordinates | 32.8169899, -79.74619293 |
| Adjacent ZIP Codes | |
| Cities/Towns in 29451 | |
| Region | Charleston Area |
| Metropolitan/Micropolitan Stat Area | Charleston-North Charleston, SC |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 9 Square Miles |
29451 Schools
| School Districts in 29451 | |
| Elementary Schools in 29451 | |
| High Schools in 29451 |
29451 Weather and Climate Data
| Plant Hardiness Zone | Zone 8b: 15F to 20F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | December 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | February 21 - 28 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Cfa - Humid Subtropical Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 75j - Sea Islands/Coastal Marsh | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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