US ZIP Code
29451

Isle Of Palms, SC

Charleston County  ·  South Carolina

● Active
👥 4,382 Population ↓ 2% since 2019
💰 $148,285 Median HH Income
▲ 94% above avg ↑ 22% since 2019
🎂 54.3 Median Age ↓ 2% since 2019
🏠 $1,197,800 Median Home Value
▲ 330% above avg ↑ 42% since 2019
🎓 79.1% College Grads
▲ 104% above avg
📊 1.5% Unemployment
▼ 70% below avg ↓ 49% since 2019
ZIP Code Details
ZIP Code29451
CityIsle Of Palms
StateSouth Carolina (SC)
CountyCharleston County
Area Code843/854
Latitude32.828009
Longitude-79.750481
TimezoneNew York (DST)
FIPS45019
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 51.0% (2,236) Female 49.0% (2,146) ♀

Race & Ethnicity

White: 97.2%Hispanic: 0.4%Asian: 2.1%Other: 0.3%Race
White97.2%
Hispanic0.4%
Asian2.1%
Other0.3%

Age Breakdown

Under 5
3%
5–17
13%
18–24
2%
25–44
17%
45–64
34%
65+
17%

Key Indicators

Median Age54.3 yrs ↓ 2% since 2019
Avg Household Size2.18
Below Poverty1.8% ▼ 82% below avg
College Grads79.1% ▲ 104% above avg
Unemployment1.5% ▼ 70% below avg
HS Graduate142 (4.1%)
Some College107 (3.1%)
Associates478 (13.7%)
Bachelors350 (10.1%)
Graduate Degree2,404 (69.1%)

Education

HS Grad: 4.1%Some College: 3.1%Associates: 13.7%Bachelors: 10.1%Graduate: 69.1%Edu
HS Grad4.1%
Some College3.1%
Associates13.7%
Bachelors10.1%
Graduate69.1%
Housing & Income

Housing Tenure

Owner: 90.7%Renter: 9.3%Tenure
Owner90.7%
Renter9.3%

Home Value Distribution

$50k–100k
1%
$200k–300k
2%
$300k–500k
3%
Over $500k
93%

Financials

Median HH Income$148,285 ▲ 94% above avg ↑ 22% since 2019
Median Home Value$1,197,800 ▲ 330% above avg ↑ 42% since 2019
Home/Income Ratio8.1x (nat avg ~3.5x)
Median Rent$3,236/mo ↑ 62% since 2019
Total Units4,581
Vacant Units2,572
Avg HH Size2.18

Income Distribution

Under $25k
4%
$25k–50k
5%
$50k–75k
11%
$75k–100k
12%
$100k–150k
19%
$150k–200k
7%
Over $200k
42%
Employment & Commute

How People Get to Work

Drove Alone
70%
Public Transit
1%
Walked
1%
Work From Home
29%

Commute Time

Under 15 min
19%
15–30 min
28%
30–45 min
48%
Over 45 min
5%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
12%
1960s–1970s
19%
1980s–1990s
15%
2000+
52%

Summary

Total Units4,581
Vacant2,572
Owner Occupied90.7%
Renter Occupied9.3%
Avg HH Size2.18
Frequently Asked Questions
ZIP code 29451 is in Isle Of Palms, SC, in Charleston County.
ZIP code 29451 is located in South Carolina (SC).
ZIP code 29451 is in Charleston County, SC.
ZIP 29451 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 29451 is 4,382 people (ACS 2023).
The median household income in ZIP code 29451 is $148,285 (ACS 2023).
The median home value in ZIP 29451 is $1,197,800 (ACS 2023).
About ZIP Code 29451

ZIP code 29451 is located in Isle Of Palms, South Carolina, within Charleston County. With a population of 4,382, this is a lightly populated ZIP code with a mature community — the median age is 54.3 years. Economically, 29451 is a upper-middle-income ZIP code: the median household income of $148,285 is significantly above the national average.

Real estate in ZIP code 29451 represents among the most expensive housing markets in the country. The median home value of $1,197,800 is more than double the national average. Renters can expect to pay around $3,236 per month in median rent. Homeownership is strong here — 90.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 42% since 2019.

The population of 29451 is primarily White (97.17%). Residents are highly educated — 79.1% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 1.8%. Household income has grown by 22% since 2019.

The unemployment rate in 29451 stands at 1.5%, which is well below the national average. A notably high share of workers — 26% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 63%.

Overall, ZIP code 29451 in Isle Of Palms, SC is characterized as upper-middle-income, highly educated, a mature community, and predominantly owner-occupied. With 4,382 residents, a median household income of $148,285, and a median home value of $1,197,800, it offers a clear picture of life in this part of South Carolina.