30021 ZIP Code — Clarkston, GA

Dekalb County, Georgia

ZIP code 30021 is located in Clarkston, Georgia, within Dekalb County. It covers approximately 3.58 square miles and serves a population of 26,684 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 404.

About ZIP code 30021

The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $222,200. Renters make up the majority at 77%, typical of denser urban areas.

Median household income is $50,020. Poverty affects 27% of residents, above the national average. SNAP benefit usage at 29% of households reflects economic stress in the area.

The dominant occupation class is production, transportation, and material moving, with retail trade as the leading industry. An above-average commute of 39 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (26%) compared to national benchmarks. 19% of residents lack health insurance, above the national average.

Notable community characteristics include Spanish spoken in 29% of households.

Overall, ZIP code 30021 reflects a community defined by economic challenges above the national average and elevated reliance on food assistance.

26,684

population

3.58

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

30021 ZIP code map

Cities in ZIP code 30021

Below are the cities the US Postal Service accepts for ZIP code 30021. Using any city not on this list may result in mail delivery delays.

City	Status
Clarkston	Preferred

Nearby ZIP codes

30079 Scottdale (1.4 mi) 30033 Decatur (2.8 mi) 30002 Avondale Estates (2.8 mi) 30083 Stone Mountain (2.8 mi) 30345 Atlanta (3.5 mi) 30084 Tucker (3.6 mi) 30030 Decatur (4 mi) 30032 Decatur (4.5 mi) 30329 Atlanta (5.1 mi) 30088 Stone Mountain (5.1 mi) 30322 Atlanta (5.2 mi) 30035 Decatur (5.6 mi)

Demographics updated 05/2026

Population
Total population	26,684
Population density	7,454 / sq mi
State FIPS	13
County FIPS	089

Geography
Land area	3.58 sq mi
Water area	0.01 sq mi
Latitude	33.8079
Longitude	-84.2391
Timezone	Eastern (ET)
Area code	404

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	61.3%	39.6%	41.5%
$50k – $100k	28.2%	29.6%	30.3%
$100k – $200k	9.6%	21.8%	21.2%
Over $200k	1.0%	9.0%	7.1%

Demographics & statistics

26,684

Population

7,454

People per sq mi

25.7

Median age

$50,020

Median household income

$18,741

Per capita income

$222,200

Median home value

$1,170

Median monthly rent

22.7%

Home ownership

27.1%

Poverty rate

9.4%

Unemployment

3,044

Housing units

23.0%

Bachelor's or higher

Age distribution

Male Female

1,697

Under 5

1,593

1,582

5–9

1,486

1,461

10–14

1,372

1,135

15–19

1,065

699

20–24

656

2,609

25–34

2,449

1,812

35–44

1,701

1,134

45–54

1,064

636

55–59

597

442

60–64

415

481

65–74

452

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	10,384	38.9%
18 and over	16,300	61.1%
65 and over	1,079	4.0%
Median age	25.7 years

Race & ethnicity

Black or African American 58.5%

Asian 19.6%

White 12.3%

Two or more races 4.3%

Hispanic or Latino 3.7%

Other race 0.8%

Native Hawaiian / Pacific Islander 0.5%

American Indian / Alaska Native 0.3%

Group	Count	%
Black or African American	16,209	58.5%
Asian	5,421	19.6%
White	3,415	12.3%
Two or more races	1,201	4.3%
Hispanic or Latino	1,017	3.7%
Other race	229	0.8%
Native Hawaiian / Pacific Islander	130	0.5%
American Indian / Alaska Native	79	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	61.3%	39.6%	41.5%
$50k – $100k	28.2%	29.6%	30.3%
$100k – $200k	9.6%	21.8%	21.2%
Over $200k	1.0%	9.0%	7.1%

Under $10k 4.3%

$10k–$15k 2.7%

$15k–$25k 11.7%

$25k–$35k 14.1%

$35k–$50k 17.1%

$50k–$75k 22.0%

$75k–$100k 10.8%

$100k–$150k 8.2%

$150k–$200k 5.3%

$200k+ 3.6%

Range	% of households
Under $10k	4.3%
$10k–$15k	2.7%
$15k–$25k	11.7%
$25k–$35k	14.1%
$35k–$50k	17.1%
$50k–$75k	22.0%
$75k–$100k	10.8%
$100k–$150k	8.2%
$150k–$200k	5.3%
$200k+	3.6%
Median income	$50,020

Housing

Home values

Under $50k 9.2%

$50k–$100k 5.3%

$100k–$150k 10.1%

$150k–$200k 17.9%

$200k–$300k 35.4%

$300k–$500k 15.3%

$500k–$1M 4.8%

$1M+ 2.0%

Housing overview

Metric	Value
Median home value	$222,200
Median rent / month	$1,170
Owner occupied	22.7%
Renter occupied	77.3%
Vacant	18.2%
Single-family detached	24.2%
Large apartment buildings	12.6%
Mobile homes	0.0%
Median rooms	4.9
Avg household size (owned)	3.20

Year built

Era	%
2020 or later	0.5%
2010–2019	3.2%
2000–2009	6.5%
1990–1999	6.3%
1980–1989	19.1%
1970–1979	44.1%
1960–1969	11.6%
1950–1959	4.2%
1940–1949	1.9%
1939 or earlier	2.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.8%
1 bedroom	15.2%
2 bedrooms	54.1%
3 bedrooms	21.2%
4 bedrooms	7.2%
5+ bedrooms	0.4%

Vehicles per household

Vehicles	% of households
No vehicle	13.8%
1 vehicle	41.8%
2 vehicles	33.8%
3 or more	10.6%

Heating fuel

Fuel type	%
Utility gas	38.0%
Electricity	59.8%
Propane / LP gas	1.6%
Fuel oil	0.1%
Solar	0.1%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	3,089	45.6%
Cohabiting couple	373	5.5%
Male householder, no spouse	1,477	21.8%
Female householder, no spouse	1,828	27.0%
Households with children under 18	3,529	52.2%
Households with seniors (65+)	729	10.8%
Average household size	3.94

Marital status

Status	Male	Female
Never married	46.5%	43.4%
Married	41.9%	44.2%
Separated	3.4%	0.7%
Widowed	3.4%	4.1%
Divorced	4.7%	7.6%

Education

Less than 9th grade 18.2%

Some HS, no diploma 9.1%

HS graduate 26.0%

Some college, no degree 18.2%

Associate's degree 5.4%

Bachelor's degree 14.8%

Graduate / professional 8.3%

Metric	%
HS diploma or higher	72.7%
Bachelor's or higher	23.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	489	5.5%
Kindergarten	751	8.5%
Elementary school	4,845	54.9%
High school	1,894	21.5%
College / grad school	849	9.6%

Employment

Industry of employment

Retail trade 15.7%

Education & healthcare 15.4%

Manufacturing 13.8%

Transportation & utilities 9.5%

Construction 9.0%

Professional & management 8.3%

Arts, food & hospitality 7.9%

Other services 6.5%

Agriculture & mining 4.9%

Wholesale trade 2.7%

Finance & real estate 2.4%

Public administration 2.4%

Information 1.5%

Occupation

Category	%
Management, business & arts	24.5%
Service	15.3%
Sales & office	16.5%
Natural resources & construction	13.2%
Production & transportation	30.5%

Employment type

Type	%
Private sector	85.0%
Government	10.8%
Self-employed	4.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	53.2%
Carpool	22.8%
Public transit	7.4%
Walk	0.9%
Work from home	8.3%
Other means	7.4%
Avg commute (minutes)	38.7

Poverty

All people 27.1%

Under 18 years 37.8%

18 and over 20.4%

Married-couple families 22.9%

Female-led households 26.5%

Income support

Source	% of households
Social Security	12.8%
Retirement income	13.1%
Supplemental Security	7.6%
Cash public assistance	5.1%
Food stamps / SNAP	29.1%

Health indicators

Condition	%
Obesity	35.3%
High blood pressure	36.5%
High cholesterol	25.4%
Diabetes	13.7%
Heart disease	5.3%
Stroke	3.9%
Asthma	11.7%
Arthritis	20.5%
Kidney disease	3.2%
Pulmonary disease	7.5%
Cancer	3.3%

Behavior / access	%
Smoking	25.9%
Binge drinking	12.8%
No physical activity	36.4%
Less than 7 hrs sleep	46.6%
Depression	18.8%
Fair or poor health	24.9%
Poor mental health	19.3%
Poor physical health	13.8%
No health insurance	30.9%
Visited doctor (checkup)	74.9%
Visited dentist	41.7%
Cholesterol screening	84.2%
Teeth loss	25.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	467	2.9%

Disability	%
Any disability	9.4%
Under 18	6.3%
18–64 years	11.0%
65 and over	17.8%

Health insurance coverage

Type	%
Private insurance	43.0%
Public insurance	43.0%
No insurance	19.0%
Uninsured under 19	7.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	23,394	87.7%
Spanish	6,754	28.9%
Other Indo-European	85	0.4%
Asian & Pacific Islander	2,130	9.1%
Other languages	1,544	6.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	14,620	54.8%
Born in same state	13,634	51.1%
Born in different state	8,981	33.7%
Foreign born	986	3.7%
Naturalized citizen	12,064	45.2%
Not a US citizen	3,188	26.4%

Ancestry

Ancestry	Count	%
French	1,137	4.3%
Arab	535	2%
Italian	367	1.4%

Ancestry	Count	%
Dutch	89	0.3%
German	27	0.1%
English	17	0.1%

Technology access

Metric	% of households
Computer access	25.4%
Internet access	94.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 30021

What city is ZIP code 30021 in?

ZIP code 30021 is primarily assigned to Clarkston, Georgia.

What county is ZIP code 30021 in?

ZIP code 30021 falls within Dekalb County, Georgia.

Is ZIP code 30021 mostly rentals?

77% of occupied units in ZIP code 30021 are renter-occupied.

Is ZIP code 30021 family-oriented?

39% of residents in ZIP code 30021 are under 18, reflecting a younger, family-oriented community.

Is Spanish widely spoken in ZIP code 30021?

Approximately 29% of households in ZIP code 30021 speak Spanish as a primary language.

What is the poverty rate in ZIP code 30021?

27% of residents in ZIP code 30021 live below the poverty line, above the national average.

What timezone is ZIP code 30021 in?

ZIP code 30021 observes the EST timezone.