PlainZIP

Isle Of Palms, SC · standard

ZIP Code 29451

Charleston County, South Carolina - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

4,205
162/sq mi
$156,979
Median income
$1,581,300
Median home value
71.6%
Bachelor's or higher

The verdict

Isle Of Palms pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 3%
household income, US ZIPs
Top 1%
home value, US ZIPs
162
people per sq mi
94%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 29451 against every reporting US ZIP.

ZIP code 29451 covers 25.9 square miles in Isle Of Palms, Charleston County, South Carolina (a standard USPS delivery area), with a modest 4,205 residents on file, a density of 162 people per square mile, in the New York time zone.

ZIP 29451 skews affluent, with a median household income of $156,979 (146% above the South Carolina average), while per-capita income is $128,199. Local economic indicators show a 2.5% poverty rate alongside 1.3% unemployment. On housing, the median home value is $1,581,300 (599% above the state average) with median rent at $2,893 per month, and 93.5% of occupied units are owner-occupied.

This is a highly-educated ZIP: 71.6% of adults hold a bachelor's degree or higher, the median age is 54.6, and the average commute is 28 minutes. Beyond these figures, 4 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Charleston County, letting you compare 29451 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 29451

Top 5 sectors by establishment count in Isle Of Palms, SC

Which industries have the most business establishments in ZIP 29451.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 29451, Isle Of Palms, SC · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

4,205

Population

25.9

Area (sq mi)

162

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 29451?

54.6

Median Age

50.1%

Male

49.9%

Female

5.3%

Foreign-Born

White 99.1%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.8%
Hispanic or Latino 0.3%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$156,979

Median Household Income

+146% vs state

$128,199

Per Capita Income

2.5%

Poverty Rate

1.3%

Unemployment Rate

27.9 min

Mean Commute Time

How ZIP 29451 ranks nationally

Isle Of Palms, SC household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$156,979 Top 3% higher than 97% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). This entry sits in this band. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 79.2%
Bachelor's Degree or Higher 71.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

4,674

Total Housing Units

2,043

Occupied Units

2,631

Vacant Units

2.14

Avg Household Size

Occupancy Type

Owner 93.5%
Renter 6.5%

$1,581,300

Median Home Value

+599% vs state

$2,893

Median Rent

1986

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+21.1%

YoY Change (2022)

307

HPI Index (2000 = 100)

+207%

Total Change Since 2000

Home values in ZIP 29451 have increased 21.1% over the past year (2022). Since 2000, this ZIP has seen +207% cumulative appreciation.

Year Annual Change HPI Index
2018 +3.5% 193
2019 +6.9% 206
2020 +3.1% 213
2021 +19.5% 254
2022 +21.1% 307

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2022. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 163 business establishments in ZIP 29451, employing approximately 1,777 people with a combined annual payroll of $89,463,000.

163

Businesses

1,777

Employees

$89.5M

Annual Payroll

12

Industry Sectors

Industry Establishments % of Total
Real estate and rental and leasing 36 22.1%
Professional, scientific, and technical services 25 15.3%
Accommodation and food services 23 14.1%
Other services (except public administration) 15 9.2%
Retail trade 13 8.0%
Construction 11 6.8%
Health care and social assistance 10 6.1%
Finance and insurance 7 4.3%
Administrative and support and waste management and remediation services 7 4.3%
Wholesale trade 4 2.5%
Arts, entertainment, and recreation 4 2.5%
Transportation and warehousing 3 1.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 29451 vs 29466 →

ZIP 29451 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 29451 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 29451 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 29451 ranks #2 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
29466 Mount Pleasant, SC 28,725 4.5 mi
29464 Mount Pleasant, SC 43,649 6.0 mi
29482 Sullivans Island, SC 1,791 6.0 mi
29492 Charleston, SC 10,262 9.8 mi

More ZIP Codes in Charleston County

29464 standard
Mount Pleasant, SC
Pop: 43,649
29412 standard
Charleston, SC
Pop: 35,850
29407 standard
Charleston, SC
Pop: 34,827
29414 standard
Charleston, SC
Pop: 31,883
29406 standard
Charleston, SC
Pop: 29,314
29466 standard
Mount Pleasant, SC
Pop: 28,725

Related Areas

Charleston County Isle Of Palms, SC South Carolina

Frequently Asked Questions

What county is ZIP code 29451 in? ▼
ZIP code 29451 (Isle Of Palms) is located in Charleston County, South Carolina. Charleston County contains multiple ZIP codes, see the full list at /counties/charleston-sc.
What is the population of ZIP code 29451? ▼
ZIP code 29451 in Isle Of Palms, SC has a population of 4,205 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 29451? ▼
The median household income in ZIP 29451 is $156,979, which is 106% above the national average of $76,288.
What is the average home value in ZIP 29451? ▼
The median home value in ZIP 29451 is $1,581,300, which is 468% above the national average of $278,155.
What is the demographic makeup of ZIP 29451? ▼
The largest racial group in ZIP 29451 is White at 99.1%. Hispanic or Latino residents make up 0.3% of the population.
How many businesses are in ZIP code 29451? ▼
ZIP code 29451 has 163 business establishments employing approximately 1,777 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 29451? ▼
The top industries by establishment count in ZIP 29451 are: Real estate and rental and leasing (36), Professional, scientific, and technical services (25), Accommodation and food services (23). There are 12 industry sectors represented in total.
How have home values changed in ZIP code 29451? ▼
According to the FHFA House Price Index, home values in ZIP 29451 increased by 21.1% in 2022. Since 2000, home values in this ZIP have appreciated by approximately 207%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 29451? ▼
In ZIP code 29451, 79.2% of residents aged 25+ have a high school diploma or higher, and 71.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 29451? ▼
The mean commute time for workers in ZIP code 29451 is 27.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 29451? ▼
In ZIP code 29451, approximately 93.5% of occupied housing units are owner-occupied and 6.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 29451? ▼
The poverty rate in ZIP code 29451 is 2.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.