29451 ZIP Code, Isle Of Palms, SC

29451 is a ZIP code in Isle Of Palms, South Carolina in Charleston County. It covers 9.1 square miles of land. The closest ZIP codes are 29466, 29482 and 29464. 4,362 people live here in 2,043 households. With about 478 people per square mile it is lightly settled, and most homes are owner-occupied (94%). Median household income is $156,979, well above the South Carolina median of $69,324; the median age is 54.6, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents4,362
Households2,043
Median household income$156,979
Income per person$128,199
Median age54.6
Homeowners93.5%
Median home value$1,581,300
Median rent$2,893
Bachelor's degree or higher71.6%
Average commute (minutes)27.9
Households with kids under 1816.6%
Moved in the past year12.6%
Below the poverty line2.5%
Broadband internet91.9%
Speak a non-English language at home4.2%

Household income

% of householdsValue
<$10K3.4%
$10–15K0.3%
$15–25K0.9%
$25–35K3.3%
$35–50K6.0%
$50–75K6.7%
$75–100K9.9%
$100–150K14.4%
$150–200K11.7%
$200K+43.4%

Age

% of all residentsValue
<106.6%
10–198.3%
20–240.6%
25–345.7%
35–4411.9%
45–5418.0%
55–6414.1%
65–7422.1%
75+12.6%

Tenure

% of housing unitsValue
Owned, with mortgage22.2%
Owned outright19.0%
Rented2.8%
Vacant56.0%

Type of building

% of housing unitsValue
Detached house70.5%
Townhome2.9%
2–4 units1.8%
5–19 units7.3%
20+ units17.5%
Mobile / other0.0%

Businesses in 29451

163 business establishments with 1,777 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 29451 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 29451

Where it ranks

Mail every home in 29451

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 29451, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 29451 in?
29451 is a Isle Of Palms, SC mailing address. By land area, 49% lies inside Isle of Palms; the rest is outside any Census-defined city or community.
What county is 29451 in?
29451 is in Charleston County.
What is the population of 29451?
About 4,362 people (±15), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 4,417.
What is the median household income in 29451?
$156,979 (±$44,841), compared with $69,324 for South Carolina as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 29451?
EDDM2GO's stored route library does not include 29451 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 29451?
The closest, measured center to center: 29466 (3.8 mi, Mount Pleasant), 29482 (6.1 mi, Sullivan's Island), 29464 (6.2 mi, Mount Pleasant), 29492 (9.3 mi, Charleston), 29401 (11.1 mi, Charleston) and 29424 (11.3 mi, Charleston).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.