PlainZIP

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
$52,278
Median income
$275,400
Median home value
24.5%
Bachelor's or higher

The verdict

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.

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 Georgia average), while per-capita income is $20,777. The poverty rate stands at 29.3% and the unemployment rate at 9.0%. The typical home here is valued at $275,400 (14% above the state average); renters pay a median of $1,346 monthly, and 25.1% of units 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. To put 30021 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in DeKalb County, for a geography-aware comparison.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 30021?

25.4

Median Age

51.9%

Male

48.1%

Female

43.2%

Foreign-Born

White 12.1%
African American 62.6%
Asian 15.7%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.0%
Hispanic or Latino 5.7%

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

$20,777

Per Capita Income

29.3%

Poverty Rate

9.0%

Unemployment Rate

36.4 min

Mean Commute Time

How ZIP 30021 ranks nationally

Clarkston, GA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$52,278 17th percentile higher than 17% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 51.8%
Bachelor's Degree or Higher 24.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

8,618

Total Housing Units

7,195

Occupied Units

1,423

Vacant Units

3.86

Avg Household Size

Occupancy Type

Owner 25.1%
Renter 74.9%

$275,400

Median Home Value

+14% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 30021 ranks #7 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 30021 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
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

More ZIP Codes in DeKalb County

30058 standard
Lithonia, GA
Pop: 52,945
30083 standard
Stone Mountain, GA
Pop: 50,384
30032 standard
Decatur, GA
Pop: 47,222
30034 standard
Decatur, GA
Pop: 43,113
30294 standard
Ellenwood, GA
Pop: 39,865
30319 standard
Atlanta, GA
Pop: 38,423

Related Areas

DeKalb County Clarkston, GA Georgia

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.

Read our methodology to see how this data is sourced, computed, and verified.