Zip Code 30021
Clarkston, Georgia — Dekalb County
📍 ZIP code 30021 is in Clarkston, Dekalb County, Georgia.
ZIP code 30021 is located in Clarkston, Dekalb County, Georgia. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 26,386. The area code for ZIP code 30021 is 404.
Quick Answer
Zip code 30021 is in Clarkston, Georgia (Dekalb County). It has a population of 26,386, median household income of $48,158, and median home value of $256,000.
Population
26,386
Income
$48,158
Home Value
$256,000
Climate
89°F / 33°F
About Zip Code 30021
Zip code 30021 is located in Clarkston, Georgia, within Dekalb County. Home to approximately 26,386 residents, this area sits at an elevation of 983 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 404.
The median household income is $48,158 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $256,000, and the cost of living index is 74 (26% below the national average of 100).
Summers average a high of 89°F while winters drop to 33°F. The area receives about 51 in of rain annually. The zip code covers 3.5 square miles of land area.
Key Statistics
26,386
$48,158
$256,000
Eastern (EST/EDT)
404
983 ft
3.5 sq mi
24.7
8,416
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Compare With Nearby Zip Codes
| Metric | 30021 | 30079 | 30072 | 30083 | 30033 | 30002 |
|---|---|---|---|---|---|---|
| City | Clarkston, GA | Clarkston, GA | Pine Lake, GA | Stone Mountain, GA | Decatur, GA | Avondale Estates, GA |
| Population | 26,386 | 4,850 | 853 | 62,941 | 31,530 | 5,507 |
| Median Income | $48,158 | $70,833 | $65,781 | $54,162 | $107,647 | $87,813 |
| Home Value | $256,000 | $280,000 | $286,000 | $221,400 | $430,900 | $510,900 |
| Cost of Living | 74 | 89 | 93 | 67 | 142 | 148 |
| Median Age | 24.7 | 32.1 | 40.9 | 34.2 | 38.1 | 43.8 |
Cost of Living
100 = National Average. Clarkston's cost of living is 26% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
5.3x
Demographics
Zip code 30021 has a population of 26,386 people with a median age of 24.7. There are 8,416 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Clarkston (30021) population trend from 2010 to 2024
↑ 22.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
89°F
33°F
51 in
0 in
Clarkston experiences warm summers with average highs around 89°F. Winters are mild with lows averaging 33°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$256,000
Median Household Income
$48,158
With 8,416 housing units across 3.5 square miles, 30021 has a housing density of 2,405 units per square mile. The home price-to-income ratio is 5.3x.
Location & Geography
Latitude
33.8069°
Longitude
-84.2376°
Land Area
3.5 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 30021 (Clarkston, GA) with distances:
All Zip Codes in Clarkston, GA
Other zip codes serving Clarkston:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 30021's $48,158. A way to compare Clarkston to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 30021 (Clarkston, GA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Clarkston, Georgia?
Clarkston, Georgia uses zip code 30021 along with 1 other zip codes.
What county is zip code 30021 in?
Zip code 30021 is located in Dekalb County, Georgia.
What is the population of zip code 30021?
The population of zip code 30021 is 26,386 with a median age of 24.7.
Is 30021 in Clarkston, Georgia?
Yes, zip code 30021 is in Clarkston, Dekalb County, Georgia. The area code is 404.
Frequently Asked Questions
What city is zip code 30021 in?
Zip code 30021 is in Clarkston, Georgia. It is part of Dekalb County and uses the Eastern (EST/EDT) timezone.
What is zip code 30021?
Zip code 30021 is a U.S. postal code in Clarkston, Georgia (Dekalb County). It has a population of 26,386 and covers 3.5 square miles.
What is the population of zip code 30021?
The population of zip code 30021 (Clarkston, GA) is 26,386 with a median age of 24.7. There are approximately 8,416 housing units in this area.
What is the median income in zip code 30021?
The median household income in zip code 30021 (Clarkston, GA) is $48,158 per year. The cost of living index is 74 (100 = national average).
What is the average home price in zip code 30021?
The median home value in zip code 30021 (Clarkston, GA) is $256,000. The cost of living index is 74 compared to the national average of 100.
What county is zip code 30021 in?
Zip code 30021 is located in Dekalb County, Georgia. The primary city is Clarkston.
What is the area code for zip code 30021?
Zip code 30021 in Clarkston, GA uses area code 404. It is located in the Eastern (EST/EDT) timezone.
Is zip code 30021 a good place to live?
Zip code 30021 (Clarkston, GA) has a cost of living index of 74 (100 = national average), a median household income of $48,158, and median home values of $256,000. The median age is 24.7. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 30021?
The cost of living index for zip code 30021 (Clarkston, GA) is 74, where 100 represents the national average. This area is below the national average. Median home value: $256,000.
What schools serve zip code 30021?
Zip code 30021 in Clarkston, Georgia is served by the local school district of Dekalb County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.