DeKalb County · Georgia
ZIP code 30021
- Population
- 26,386
- Median income
- $48,158
- Median home
- $256,000
- Sales tax
- 4%
ZCTA residents
Household, past 12 months
Owner-occupied value
Georgia state rate
Quick answer
ZIP 30021 sits in DeKalb County, Georgia and is home to 26,386 people. Median household income is $48,158, the median home is worth $256,000 and median gross rent is $1,265. 26% of households own their home, and purchases are taxed at 4% (Georgia state rate).
- County
- DeKalb County
- State
- Georgia (GA)
- Area codes
- Not published
- Metro area
- Outside covered metros
FIPS 13089
751 ZIPs covered
No NANPA match for this ZIP
Rate jurisdiction used for tax
The numbers for 30021
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 26,386ZIP 30021 residents
- Median household income
- $48,158Past 12 months, inflation adjusted
- Median home value
- $256,000Owner-occupied units
- Median gross rent
- $1,265Rent plus utilities, monthly
- Median age
- 24.7 yrsAll residents
- Homeownership rate
- 26%Owner-occupied households
Sales tax in 30021
What a purchase inside this ZIP costs at checkout.
Georgia levies 4% 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 30021 compares
ZIP 30021 against the median ZIP in DeKalb County and across Georgia.
| Measure | ZIP 30021 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $48,158 | $73,850 | $61,524 | -22% |
| Median home value | $256,000 | $322,300 | $194,200 | +32% |
| Median gross rent | $1,265 | $1,594 | $965 | +31% |
| Population | 26,386 | 30,646 | 5,994 | +340% |
Medians are computed across the 29 ZIP areas in DeKalb County and the 751 ZIP areas in Georgia.
Statewide rank
Where this ZIP places among all 751 Georgia ZIP areas.
- Income
- #537
- Home value
- #204
- Population
- #158
richer than 22% of 689 state ZIPs
above 70% of 672 state ZIPs
larger than 79% of 751 state ZIPs
Comparable ZIP codes
Georgia ZIP areas with almost the same household income.
Nearby ZIP codes
Other ZIP codes filed under DeKalb County.
ZIP 30021 questions
Common questions about this ZIP code.
- Where is ZIP code 30021?
- ZIP 30021 lies mostly in DeKalb County, Georgia. 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 30021?
- Georgia charges 4% statewide, plus any county, city or district rate that applies locally.
- Is 30021 expensive to live in?
- Median rent runs $1,265 a month, about 32% of median household income, and the median home is worth $256,000 — +32% against the typical Georgia 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
- Georgia 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.