Charleston County · South Carolina
ZIP code 29403
- Population
- 22,319
- Median income
- $65,689
- Median home
- $624,000
- Sales tax
- 9%
ZCTA residents
Household, past 12 months
Owner-occupied value
Combined state + local
Quick answer
ZIP 29403 sits in Charleston County, South Carolina and is home to 22,319 people. Median household income is $65,689, the median home is worth $624,000 and median gross rent is $1,658. 35.1% of households own their home, and purchases are taxed at 9% combined.
- County
- Charleston County
- State
- South Carolina (SC)
- Area codes
- 843, 854
FIPS 45019
424 ZIPs covered
NANPA codes serving this area
The numbers for 29403
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 22,319ZIP 29403 residents
- Median household income
- $65,689Past 12 months, inflation adjusted
- Median home value
- $624,000Owner-occupied units
- Median gross rent
- $1,658Rent plus utilities, monthly
- Median age
- 31 yrsAll residents
- Homeownership rate
- 35.1%Owner-occupied households
Sales tax in 29403
What a purchase inside this ZIP costs at checkout.
This ZIP falls inside the Charleston rate area, so state, county, city and district levies are published here as a full stack.
Affordability in this ZIP
Derived from the Census medians above — indicative, not an offer.
A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.
How 29403 compares
ZIP 29403 against the median ZIP in Charleston County and across South Carolina.
| Measure | ZIP 29403 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $65,689 | $84,531 | $57,227 | +15% |
| Median home value | $624,000 | $450,050 | $166,650 | +274% |
| Median gross rent | $1,658 | $1,489 | $930 | +78% |
| Population | 22,319 | 6,815 | 5,352 | +317% |
Medians are computed across the 26 ZIP areas in Charleston County and the 424 ZIP areas in South Carolina.
Statewide rank
Where this ZIP places among all 424 South Carolina ZIP areas.
- Income
- #137
- Home value
- #10
- Population
- #86
richer than 65% of 386 state ZIPs
above 97% of 380 state ZIPs
larger than 80% of 424 state ZIPs
Comparable ZIP codes
South Carolina ZIP areas with almost the same household income.
Nearby ZIP codes
Other ZIP codes filed under Charleston County.
ZIP 29403 questions
Common questions about this ZIP code.
- Where is ZIP code 29403?
- ZIP 29403 lies mostly in Charleston County, South Carolina. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
- What sales tax do I pay in 29403?
- Purchases are taxed at 9% combined, built from the Charleston jurisdiction stack.
- Is 29403 expensive to live in?
- Median rent runs $1,658 a month, about 30% of median household income, and the median home is worth $624,000 — +274% against the typical South Carolina ZIP.
- Is a ZCTA the same as a postal ZIP code?
- Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.
Keep going
Related pages for this area.
Sources & transparency
- US Census Bureau, ACS 2019-2023 5-year estimates — 2019-2023 ACS 5-year — population, income, housing
- Census 2020 ZCTA-to-county relationship file — County assignment by largest land-area overlap
- South Carolina Department of Revenue — Sales tax rates and local add-ons
Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.