Clarkston, GA · standard
ZIP Code 30021
DeKalb County, Georgia - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 21,989
- 2,401/sq mi High-density area
- $52,278
- Median income Below-median income area
- $275,400
- Median home value Near-median home value
- 24.5%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Clarkston pairs one of the lowest household incomes in the country with above-median home values, in a suburban-density, renter-heavy area.
- 17th pct
- household income, US ZIPs
- Top 38%
- home value, US ZIPs
- 2,401
- people per sq mi
- 25%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 30021 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 30021 (Clarkston, GA) fell -1.7% from 2023 to 2024. The all-transactions index moved from 267.0 in 2023 to 262.6 in 2024 (2000 = 100).
ZIP code 30021 is a densely settled ZIP (a standard USPS delivery area) in Clarkston, DeKalb County, Georgia, with 21,989 residents across 9.2 square miles, a density of 2,401 people per square mile, in the New York time zone.
ZIP 30021 reports a modest median household income of $52,278 (26% below the average Georgia ZIP), while per-capita income is $20,777. The poverty rate is 29.3%, so the area-level income figures should not be treated as typical household experience. Median home value is $275,400 (14% above the average Georgia ZIP) and median rent is $1,346; 25.1% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 24.5% of adults hold a bachelor's degree or higher, the median age is 25.4, and the average commute is 36 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in DeKalb County, so 30021 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 30021
Top 5 sectors by establishment count in Clarkston, GA
Which industries have the most business establishments in ZIP 30021.
- Retail trade
Retail trade
59 establishments
- Health care and social assistance
Health care and social assistance
31 establishments
- Other services (except public administration)
Other services (except public administration)
28 establishments
- Real estate and rental and leasing 18
Real estate and rental and leasing
18 establishments
- Professional, scientific, and technical services 16
Professional, scientific, and technical services
16 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 30021, Clarkston, GA · 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
21,989
Population
9.2
Area (sq mi)
2,401
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 30021?
25.4
Median Age
51.9%
Male
48.1%
Female
43.2%
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?
$52,278
Median Household Income
-26% vs state ZIP avg
$20,777
Per Capita Income
29.3%
Poverty Rate
9.0%
Unemployment Rate
36.4 min
Mean Commute Time
How ZIP 30021 ranks among Georgia ZIPs
Clarkston, GA household income vs. every Georgia ZIP code
Median household income among 677 reporting Georgia ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$52,278 26th percentile higher than 26% of 677 Georgia ZIPs
Each bar is a $20K-wide band; taller bars hold more Georgia 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
8,618housing units
8,618
Total Housing Units
7,195
Occupied Units
1,423
Vacant Units
3.86
Avg Household Size
Occupancy Type
$275,400
Median Home Value
+14% vs state ZIP avg
$1,346
Median Rent
1978
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
-1.7%
YoY Change (2024)
263
HPI Index (2000 = 100)
+163%
Total Change Since 2000
Home values in ZIP 30021 have decreased 1.7% over the past year (2024). Since 2000, this ZIP has seen +163% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +8.9% | 169 |
| 2021 | +14.2% | 193 |
| 2022 | +18.6% | 229 |
| 2023 | +16.4% | 267 |
| 2024 | -1.7% | 263 |
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 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 239 business establishments in ZIP 30021, employing approximately 1,886 people with a combined annual payroll of $74,895,000.
239
Businesses
1,886
Employees
$74.9M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 59 | 24.7% |
| Health care and social assistance | 31 | 13.0% |
| Other services (except public administration) | 28 | 11.7% |
| Real estate and rental and leasing | 18 | 7.5% |
| Professional, scientific, and technical services | 16 | 6.7% |
| Accommodation and food services | 16 | 6.7% |
| Construction | 15 | 6.3% |
| Administrative and support and waste management and remediation services | 13 | 5.4% |
| Transportation and warehousing | 8 | 3.4% |
| Finance and insurance | 8 | 3.4% |
| Wholesale trade | 7 | 2.9% |
| Educational services | 6 | 2.5% |
| Manufacturing | 5 | 2.1% |
| Arts, entertainment, and recreation | 5 | 2.1% |
| Information | 4 | 1.7% |
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 30021 vs 30079 →
ZIP 30021 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 30083
Stone Mountain (30083)
50,384 residents
- 30032
Decatur (30032)
47,222 residents
- 30084
Tucker (30084)
35,921 residents
- 30033
Decatur (30033)
30,763 residents
- 30030
Decatur (30030)
26,473 residents
- 30345
Atlanta (30345)
23,129 residents
- 30021
Clarkston (30021)
21,989 residents
- 30002 5,861
Avondale Estates (30002)
5,861 residents
- 30079 2,960
Scottdale (30079)
2,960 residents
What this shows Among its immediate neighbors, ZIP 30021 ranks #7 by population - useful context the national average alone can't give.
ZIP 30021 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 30030
Decatur (30030)
$126,830 median income
- 30345
Atlanta (30345)
$112,054 median income
- 30033
Decatur (30033)
$111,616 median income
- 30002
Avondale Estates (30002)
$89,750 median income
- 30079
Scottdale (30079)
$82,500 median income
- 30084
Tucker (30084)
$81,304 median income
- 30072
Pine Lake (30072)
$78,750 median income
- 30032
Decatur (30032)
$62,765 median income
- 30083
Stone Mountain (30083)
$55,307 median income
What this shows By household income, ZIP 30021 ranks #null of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 30079 | Scottdale, GA | 2,960 | 1.6 mi |
| 30072 | Pine Lake, GA | 730 | 2.2 mi |
| 30033 | Decatur, GA | 30,763 | 2.6 mi |
| 30083 | Stone Mountain, GA | 50,384 | 2.7 mi |
| 30002 | Avondale Estates, GA | 5,861 | 2.7 mi |
| 30084 | Tucker, GA | 35,921 | 3.4 mi |
| 30345 | Atlanta, GA | 23,129 | 3.9 mi |
| 30030 | Decatur, GA | 26,473 | 4.0 mi |
| 30032 | Decatur, GA | 47,222 | 5.0 mi |
| 30322 | Atlanta, GA | 2,023 | 5.1 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 30021, both outside GA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (21,989 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in DeKalb County
Related Areas
Frequently Asked Questions
What county is ZIP code 30021 in?
ZIP code 30021 (Clarkston) is located in DeKalb County, Georgia. DeKalb County contains multiple ZIP codes, see the full list at /counties/dekalb-ga.
What is the population of ZIP code 30021?
ZIP code 30021 in Clarkston, GA has a population of 21,989 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 30021?
The median household income in ZIP 30021 is $52,278, which is 31% below the national average of $76,288.
What is the average home value in ZIP 30021?
The median home value in ZIP 30021 is $275,400, which is 1% below the national average of $278,155.
What is the demographic makeup of ZIP 30021?
The largest racial group in ZIP 30021 is African American at 62.6%. Hispanic or Latino residents make up 5.7% of the population.
How many businesses are in ZIP code 30021?
ZIP code 30021 has 239 business establishments employing approximately 1,886 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 30021?
The top industries by establishment count in ZIP 30021 are: Retail trade (59), Health care and social assistance (31), Other services (except public administration) (28). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 30021?
According to the FHFA House Price Index, home values in ZIP 30021 decreased by 1.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 163%. 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 30021?
In ZIP code 30021, 51.8% of residents aged 25+ have a high school diploma or higher, and 24.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 30021?
The mean commute time for workers in ZIP code 30021 is 36.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 30021?
In ZIP code 30021, approximately 25.1% of occupied housing units are owner-occupied and 74.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 30021?
The poverty rate in ZIP code 30021 is 29.3% 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 30021's numbers, next.
- See how ZIP 30021 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Clarkston, GA 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.