30021 vs 30030 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 30021, Orange = ZIP 30030.
Quick verdict: ZIP 30021 is more affordable rent, more diverse. ZIP 30030 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 30021
Clarkston city, GA
View full profile →- Population26,386
- Median Income$48,158
- Median Home Value$256k
- Median Rent$1,098
- Median Age24.7 yrs
- Poverty Rate27.8%
ZIP 30030
Decatur city, GA
View full profile →- Population31,712
- Median Income$127,318
- Median Home Value$598k
- Median Rent$1,529
- Median Age40.0 yrs
- Poverty Rate6.0%
Visual comparison (same scale)
Population
26,38631,712
Median Income
$48,158$127,318
Median Home Value
$256k$598k
Median Rent
$1,098$1,529
Median Age
24.7 yrs40.0 yrs
Poverty Rate
27.8%6.0%
Demographics
ZIP 30021
Clarkston city, GA
View full profile →- White %15.0%
- Black %61.8%
- Asian %15.6%
- Hispanic %5.2%
- Age 0–17 %40.3%
- Age 18–64 %56.4%
- Age 65+ %3.4%
- Bachelor's+ %23.2%
- Diversity Index57/100
ZIP 30030
Decatur city, GA
View full profile →- White %67.0%
- Black %14.4%
- Asian %5.5%
- Hispanic %9.3%
- Age 0–17 %26.6%
- Age 18–64 %58.8%
- Age 65+ %14.6%
- Bachelor's+ %76.5%
- Diversity Index52/100
Visual comparison (same scale)
White %
15.0%67.0%
Black %
61.8%14.4%
Asian %
15.6%5.5%
Hispanic %
5.2%9.3%
Age 0–17 %
40.3%26.6%
Age 18–64 %
56.4%58.8%
Age 65+ %
3.4%14.6%
Bachelor's+ %
23.2%76.5%
Diversity Index
57/10052/100
Economy
ZIP 30021
Clarkston city, GA
View full profile →- Median Income$48,158
- Unemployment %9.1%
- IRS Net Migration+1,164
- Work From Home %9.6%
ZIP 30030
Decatur city, GA
View full profile →- Median Income$127,318
- Unemployment %3.7%
- IRS Net Migration+1,399
- Work From Home %31.4%
Visual comparison (same scale)
Median Income
$48,158$127,318
Unemployment %
9.1%3.7%
IRS Net Migration
+1,164+1,399
Work From Home %
9.6%31.4%
Housing
ZIP 30021
Clarkston city, GA
View full profile →- Median Home Value$256k
- Median Rent$1,098
- Owner Occupied %26.0%
- Broadband %92.0%
- Vacant %18.9%
- Median Year Built1977
ZIP 30030
Decatur city, GA
View full profile →- Median Home Value$598k
- Median Rent$1,529
- Owner Occupied %62.8%
- Broadband %92.2%
- Vacant %14.1%
- Median Year Built1977
Visual comparison (same scale)
Median Home Value
$256k$598k
Median Rent
$1,098$1,529
Owner Occupied %
26.0%62.8%
Broadband %
92.0%92.2%
Vacant %
18.9%14.1%
Median Year Built
19771977
Climate & Location
ZIP 30021
Clarkston city, GA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,002 ft
- Nearest Airport6.1 miles (9.8 km)
- Distance to Coast127.5 miles (205.2 km)
ZIP 30030
Decatur city, GA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,002 ft
- Nearest Airport7.2 miles (11.7 km)
- Distance to Coast130.2 miles (209.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,002 ft1,002 ft
Nearest Airport
6.1 miles (9.8 km)7.2 miles (11.7 km)
Distance to Coast
127.5 miles (205.2 km)130.2 miles (209.5 km)
Infrastructure
ZIP 30021
Clarkston city, GA
View full profile →- Work From Home %9.6%
- Walkability (0–100)51
- Broadband %92.0%
ZIP 30030
Decatur city, GA
View full profile →- Work From Home %31.4%
- Walkability (0–100)71
- Broadband %92.2%
Visual comparison (same scale)
Work From Home %
9.6%31.4%
Walkability (0–100)
5171
Broadband %
92.0%92.2%
Frequently Asked Questions
How do ZIP 30021 and 30030 compare?
ZIP 30021 is more affordable rent, more diverse. ZIP 30030 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (30021), orange the second (30030). The same colors are used in the map markers and comparison bars.
Where does this data come from?
Data is from the U.S. Census Bureau and other federal sources. See our Methodology page for details.
How can I compare other ZIP codes?
From any ZIP page, use the "Compare with Another ZIP" tool, or go to /compare/XXXXX-vs-YYYYY (replace with two 5-digit ZIP codes).
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