Charleston, SC · standard
ZIP Code 29423
Charleston County, South Carolina - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 956
- 9,778/sq mi High-density area
National ZIP placement
Charleston has 956 residents, placing it in the 29th percentile of the 33,099 US ZIP codes with a reported population, at 9,778 people per square mile.
Source: USPS ZIP record + U.S. Census Bureau ZIP population. Rank compares ZIP 29423 against every US ZIP with a reported population; income/home-value percentiles are not available for this ZIP.
ZIP code 29423 is a sparsely populated ZIP (a standard USPS delivery area) in Charleston, Charleston County, South Carolina, home to just 956 residents across 0.1 square miles, a density of 9,778 people per square mile, in the New York time zone.
Median household income is not on file for ZIP 29423, but per-capita income is -. The ACS does not publish both hardship measures for this ZIP, so the income figures above should be read without inferring a full local economic picture. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
Education and household profile round out the picture: - of adults hold a bachelor's degree or higher, the median age is -, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Charleston County, so 29423 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 →
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 29423, Charleston, 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
956
Population
0.1
Area (sq mi)
9,778
People / sq mi
New York
Time Zone
standard
ZIP Type
What businesses operate in this ZIP?
Census Bureau data shows 9 business establishments in ZIP 29423, employing approximately 98 people with a combined annual payroll of $4,236,000.
9
Businesses
98
Employees
$4.2M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 4 | 44.4% |
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 29423 vs 29456 →
ZIP 29423 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 29483
Summerville (29483)
66,731 residents
- 29445
Goose Creek (29445)
53,588 residents
- 29485
Summerville (29485)
45,057 residents
- 29414
Charleston (29414)
31,883 residents
- 29406
Charleston (29406)
29,314 residents
- 29456
Ladson (29456)
27,864 residents
- 29418 23,540
North Charleston (29418)
23,540 residents
- 29420 21,834
North Charleston (29420)
21,834 residents
- 29410 17,816
Hanahan (29410)
17,816 residents
What this shows Among its immediate neighbors, ZIP 29423 ranks #0 by population - useful context the national average alone can't give.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 29456 | Ladson, SC | 27,864 | 2.5 mi |
| 29420 | North Charleston, SC | 21,834 | 3.6 mi |
| 29406 | Charleston, SC | 29,314 | 3.8 mi |
| 29418 | North Charleston, SC | 23,540 | 6.2 mi |
| 29445 | Goose Creek, SC | 53,588 | 4.9 mi |
| 29404 | Charleston Afb, SC | 1,348 | 5.7 mi |
| 29410 | Hanahan, SC | 17,816 | 5.2 mi |
| 29485 | Summerville, SC | 45,057 | 7.3 mi |
| 29414 | Charleston, SC | 31,883 | 9.8 mi |
| 29483 | Summerville, SC | 66,731 | 8.4 mi |
More ZIP Codes in Charleston County
Related Areas
Frequently Asked Questions
What county is ZIP code 29423 in?
ZIP code 29423 (Charleston) 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 29423?
ZIP code 29423 in Charleston, SC has a population of 956 according to the Census Bureau ACS 2023 estimates.
How many businesses are in ZIP code 29423?
ZIP code 29423 has 9 business establishments employing approximately 98 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
Related
Take this with you
What to do with ZIP 29423's numbers, next.
- See how ZIP 29423 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Charleston, 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.