Dorchester County · South Carolina
ZIP code 29420
- Population
- 23,311
- Median income
- $69,043
- Median home
- $283,900
- Sales tax
- 6%
ZCTA residents
Household, past 12 months
Owner-occupied value
South Carolina state rate
Quick answer
ZIP 29420 sits in Dorchester County, South Carolina and is home to 23,311 people. Median household income is $69,043, the median home is worth $283,900 and median gross rent is $1,506. 62.6% of households own their home, and purchases are taxed at 6% (South Carolina state rate).
- County
- Dorchester County
- State
- South Carolina (SC)
- Area codes
- Not published
- Metro area
- Outside covered metros
FIPS 45035
424 ZIPs covered
No NANPA match for this ZIP
Rate jurisdiction used for tax
The numbers for 29420
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 23,311ZIP 29420 residents
- Median household income
- $69,043Past 12 months, inflation adjusted
- Median home value
- $283,900Owner-occupied units
- Median gross rent
- $1,506Rent plus utilities, monthly
- Median age
- 35.1 yrsAll residents
- Homeownership rate
- 62.6%Owner-occupied households
Sales tax in 29420
What a purchase inside this ZIP costs at checkout.
South Carolina levies 6% statewide, and counties, cities and special districts inside this ZIP can add their own local rate on top. Check the county page for the local component before you quote a price.
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 29420 compares
ZIP 29420 against the median ZIP in Dorchester County and across South Carolina.
| Measure | ZIP 29420 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $69,043 | $65,679 | $57,227 | +21% |
| Median home value | $283,900 | $215,750 | $166,650 | +70% |
| Median gross rent | $1,506 | $933 | $930 | +62% |
| Population | 23,311 | 9,240 | 5,352 | +336% |
Medians are computed across the 8 ZIP areas in Dorchester County and the 424 ZIP areas in South Carolina.
Statewide rank
Where this ZIP places among all 424 South Carolina ZIP areas.
- Income
- #122
- Home value
- #59
- Population
- #80
richer than 68% of 386 state ZIPs
above 84% of 380 state ZIPs
larger than 81% 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 Dorchester County.
ZIP 29420 questions
Common questions about this ZIP code.
- Where is ZIP code 29420?
- ZIP 29420 lies mostly in Dorchester 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 29420?
- South Carolina charges 6% statewide, plus any county, city or district rate that applies locally.
- Is 29420 expensive to live in?
- Median rent runs $1,506 a month, about 26% of median household income, and the median home is worth $283,900 — +70% 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.