Wadmalaw Island, SC · standard
ZIP Code 29487
Charleston County, South Carolina - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 2,725
- 25/sq mi Moderate-density area
- $105,592
- Median income Above-median income area
- $487,900
- Median home value Above-median home value
- 45.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Wadmalaw Island pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 16%
- household income, US ZIPs
- Top 14%
- home value, US ZIPs
- 25
- people per sq mi
- 94%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 29487 against every reporting US ZIP.
ZIP code 29487 covers 108.6 square miles in Wadmalaw Island, Charleston County, South Carolina (a standard USPS delivery area), with a modest 2,725 residents on file, a density of 25 people per square mile, in the New York time zone.
ZIP 29487 lands in the middle-income range, with a median household income of $105,592 (66% above the average South Carolina ZIP), while per-capita income is $64,320. Both reported hardship measures are comparatively low in absolute terms: poverty is 4.2% and unemployment is 1.8%. Housing is both higher-cost and owner-heavy: median home value is $487,900 (116% above the average South Carolina ZIP), while 93.6% of occupied homes are owner-occupied and median rent is $1,441.
A solid share of residents have a four-year degree: 45.8% of adults hold a bachelor's degree or higher, the median age is 50.2, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Charleston County, so 29487 can be compared with both its immediate and county-level context.
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 29487
Top 5 sectors by establishment count in Wadmalaw Island, SC
Which industries have the most business establishments in ZIP 29487.
- Construction
Construction
11 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
6 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
6 establishments
- Transportation and warehousing
Transportation and warehousing
5 establishments
- Real estate and rental and leasing 3
Real estate and rental and leasing
3 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 29487, Wadmalaw Island, 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
2,725
Population
108.6
Area (sq mi)
25
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 29487?
50.2
Median Age
51.2%
Male
48.8%
Female
4.1%
Foreign-Born
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?
$105,592
Median Household Income
+66% vs state ZIP avg
$64,320
Per Capita Income
4.2%
Poverty Rate
1.8%
Unemployment Rate
How ZIP 29487 ranks among South Carolina ZIPs
Wadmalaw Island, SC household income vs. every South Carolina ZIP code
Median household income among 384 reporting South Carolina ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$105,592 Top 5% higher than 95% of 384 South Carolina ZIPs
Each bar is a $20K-wide band; taller bars hold more South Carolina 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,354housing units
1,354
Total Housing Units
1,059
Occupied Units
295
Vacant Units
2.55
Avg Household Size
Occupancy Type
$487,900
Median Home Value
+116% vs state ZIP avg
$1,441
Median Rent
1991
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
+33.9%
YoY Change (2023)
305
HPI Index (2000 = 100)
+205%
Total Change Since 2000
Home values in ZIP 29487 have increased 33.9% over the past year (2023). Since 2000, this ZIP has seen +205% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2019 | +3.7% | 186 |
| 2020 | +1.7% | 189 |
| 2021 | +4.7% | 198 |
| 2022 | +14.7% | 228 |
| 2023 | +33.9% | 305 |
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 2023. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 44 business establishments in ZIP 29487, employing approximately 206 people with a combined annual payroll of $11,127,000.
44
Businesses
206
Employees
$11.1M
Annual Payroll
6
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 11 | 25.0% |
| Professional, scientific, and technical services | 6 | 13.6% |
| Administrative and support and waste management and remediation services | 6 | 13.6% |
| Transportation and warehousing | 5 | 11.4% |
| Real estate and rental and leasing | 3 | 6.8% |
| Other services (except public administration) | 3 | 6.8% |
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 29487 vs 29455 →
ZIP 29487 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 29455
Johns Island (29455)
20,478 residents
- 29449 7,749
Hollywood (29449)
7,749 residents
- 29487 2,725
Wadmalaw Island (29487)
2,725 residents
- 29438 2,408
Edisto Island (29438)
2,408 residents
What this shows Among its immediate neighbors, ZIP 29487 ranks #3 by population - useful context the national average alone can't give.
ZIP 29487 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 29455
Johns Island (29455)
$121,372 median income
- 29487
Wadmalaw Island (29487)
$105,592 median income
- 29438
Edisto Island (29438)
$86,979 median income
- 29449
Hollywood (29449)
$56,929 median income
What this shows By household income, ZIP 29487 ranks #2 of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 29487, both outside SC so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (2,725 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Charleston County
Related Areas
Frequently Asked Questions
What county is ZIP code 29487 in?
ZIP code 29487 (Wadmalaw Island) 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 29487?
ZIP code 29487 in Wadmalaw Island, SC has a population of 2,725 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 29487?
The median household income in ZIP 29487 is $105,592, which is 38% above the national average of $76,288.
What is the average home value in ZIP 29487?
The median home value in ZIP 29487 is $487,900, which is 75% above the national average of $278,155.
What is the demographic makeup of ZIP 29487?
The largest racial group in ZIP 29487 is White at 59.5%. Hispanic or Latino residents make up 6.6% of the population.
How many businesses are in ZIP code 29487?
ZIP code 29487 has 44 business establishments employing approximately 206 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 29487?
The top industries by establishment count in ZIP 29487 are: Construction (11), Professional, scientific, and technical services (6), Administrative and support and waste management and remediation services (6). There are 6 industry sectors represented in total.
How have home values changed in ZIP code 29487?
According to the FHFA House Price Index, home values in ZIP 29487 increased by 33.9% in 2023. Since 2000, home values in this ZIP have appreciated by approximately 205%. 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 29487?
In ZIP code 29487, 70.1% of residents aged 25+ have a high school diploma or higher, and 45.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 29487?
In ZIP code 29487, approximately 93.6% of occupied housing units are owner-occupied and 6.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 29487?
The poverty rate in ZIP code 29487 is 4.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 29487's numbers, next.
- See how ZIP 29487 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Wadmalaw Island, SC ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.