Zip Code 30030
Decatur, Georgia — Dekalb County
📍 ZIP code 30030 is in Decatur, Dekalb County, Georgia.
ZIP code 30030 is located in Decatur, Dekalb County, Georgia. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 31,712. The area code for ZIP code 30030 is 404.
Quick Answer
Zip code 30030 is in Decatur, Georgia (Dekalb County). It has a population of 31,712, median household income of $127,318, and median home value of $598,400.
Population
31,712
Income
$127,318
Home Value
$598,400
Climate
89°F / 33°F
About Zip Code 30030
Zip code 30030 is located in Decatur, Georgia, within Dekalb County. Home to approximately 31,712 residents, this area sits at an elevation of 1039 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 404.
The median household income is $127,318 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $598,400, and the cost of living index is 189 (89% above 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 6.5 square miles of land area.
Key Statistics
31,712
$127,318
$598,400
Eastern (EST/EDT)
404
1039 ft
6.5 sq mi
40
14,672
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Compare With Nearby Zip Codes
| Metric | 30030 | 30002 | 30317 | 30079 | 30307 | 30322 |
|---|---|---|---|---|---|---|
| City | Decatur, GA | Avondale Estates, GA | Atlanta, GA | Clarkston, GA | Atlanta, GA | Atlanta, GA |
| Population | 31,712 | 5,507 | 14,798 | 4,850 | 21,680 | 2,422 |
| Median Income | $127,318 | $87,813 | $105,190 | $70,833 | $147,553 | $0 |
| Home Value | $598,400 | $510,900 | $510,600 | $280,000 | $704,100 | $0 |
| Cost of Living | 189 | 148 | 160 | 89 | 218 | 100 |
| Median Age | 40 | 43.8 | 35.9 | 32.1 | 35.2 | 19.9 |
Cost of Living
100 = National Average. Decatur's cost of living is 89% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.7x
Demographics
Zip code 30030 has a population of 31,712 people with a median age of 40. There are 14,672 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Decatur (30030) population trend from 2010 to 2024
↑ 41.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
89°F
33°F
51 in
0 in
Decatur 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
$598,400
Median Household Income
$127,318
With 14,672 housing units across 6.5 square miles, 30030 has a housing density of 2,257 units per square mile. The home price-to-income ratio is 4.7x.
Location & Geography
Latitude
33.7719°
Longitude
-84.2903°
Land Area
6.5 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 30030 (Decatur, GA) with distances:
All Zip Codes in Decatur, GA
Other zip codes serving Decatur:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 30030's $127,318. A way to compare Decatur 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 30030 (Decatur, 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 Decatur, Georgia?
Decatur, Georgia uses zip code 30030 along with 4 other zip codes.
What county is zip code 30030 in?
Zip code 30030 is located in Dekalb County, Georgia.
What is the population of zip code 30030?
The population of zip code 30030 is 31,712 with a median age of 40.
Is 30030 in Decatur, Georgia?
Yes, zip code 30030 is in Decatur, Dekalb County, Georgia. The area code is 404.
Frequently Asked Questions
What city is zip code 30030 in?
Zip code 30030 is in Decatur, Georgia. It is part of Dekalb County and uses the Eastern (EST/EDT) timezone.
What is zip code 30030?
Zip code 30030 is a U.S. postal code in Decatur, Georgia (Dekalb County). It has a population of 31,712 and covers 6.5 square miles.
What is the population of zip code 30030?
The population of zip code 30030 (Decatur, GA) is 31,712 with a median age of 40. There are approximately 14,672 housing units in this area.
What is the median income in zip code 30030?
The median household income in zip code 30030 (Decatur, GA) is $127,318 per year. The cost of living index is 189 (100 = national average).
What is the average home price in zip code 30030?
The median home value in zip code 30030 (Decatur, GA) is $598,400. The cost of living index is 189 compared to the national average of 100.
What county is zip code 30030 in?
Zip code 30030 is located in Dekalb County, Georgia. The primary city is Decatur.
What is the area code for zip code 30030?
Zip code 30030 in Decatur, GA uses area code 404. It is located in the Eastern (EST/EDT) timezone.
Is zip code 30030 a good place to live?
Zip code 30030 (Decatur, GA) has a cost of living index of 189 (100 = national average), a median household income of $127,318, and median home values of $598,400. The median age is 40. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 30030?
The cost of living index for zip code 30030 (Decatur, GA) is 189, where 100 represents the national average. This area is above the national average. Median home value: $598,400.
What schools serve zip code 30030?
Zip code 30030 in Decatur, 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.