30557 vs 30521 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 30557, Orange = ZIP 30521.
Quick verdict: ZIP 30557 is wealthier, more diverse, more educated. ZIP 30521 is higher home values, more affordable rent, lower poverty rate, lower unemployment, higher work-from-home share.
Quick Facts
ZIP 30557
Martin town, GA
View full profile →- Population4,905
- Median Income$66,806
- Median Home Value$162k
- Median Rent$627
- Median Age36.9 yrs
- Poverty Rate14.9%
ZIP 30521
Carnesville city, GA
View full profile →- Population6,176
- Median Income$55,618
- Median Home Value$166k
- Median Rent$573
- Median Age38.2 yrs
- Poverty Rate12.1%
Visual comparison (same scale)
Population
4,9056,176
Median Income
$66,806$55,618
Median Home Value
$162k$166k
Median Rent
$627$573
Median Age
36.9 yrs38.2 yrs
Poverty Rate
14.9%12.1%
Demographics
ZIP 30557
Martin town, GA
View full profile →- White %87.8%
- Black %8.4%
- Asian %0.0%
- Hispanic %1.0%
- Age 0–17 %19.9%
- Age 18–64 %62.4%
- Age 65+ %17.7%
- Bachelor's+ %14.7%
- Diversity Index22/100
ZIP 30521
Carnesville city, GA
View full profile →- White %90.8%
- Black %3.9%
- Asian %4.2%
- Hispanic %1.2%
- Age 0–17 %24.2%
- Age 18–64 %63.3%
- Age 65+ %12.5%
- Bachelor's+ %12.7%
- Diversity Index17/100
Visual comparison (same scale)
White %
87.8%90.8%
Black %
8.4%3.9%
Asian %
0.0%4.2%
Hispanic %
1.0%1.2%
Age 0–17 %
19.9%24.2%
Age 18–64 %
62.4%63.3%
Age 65+ %
17.7%12.5%
Bachelor's+ %
14.7%12.7%
Diversity Index
22/10017/100
Economy
ZIP 30557
Martin town, GA
View full profile →- Median Income$66,806
- Unemployment %6.8%
- IRS Net Migration+216
- Work From Home %5.5%
ZIP 30521
Carnesville city, GA
View full profile →- Median Income$55,618
- Unemployment %5.7%
- IRS Net Migration+272
- Work From Home %11.1%
Visual comparison (same scale)
Median Income
$66,806$55,618
Unemployment %
6.8%5.7%
IRS Net Migration
+216+272
Work From Home %
5.5%11.1%
Housing
ZIP 30557
Martin town, GA
View full profile →- Median Home Value$162k
- Median Rent$627
- Owner Occupied %78.4%
- Broadband %86.2%
- Vacant %28.2%
- Median Year Built1992
ZIP 30521
Carnesville city, GA
View full profile →- Median Home Value$166k
- Median Rent$573
- Owner Occupied %79.0%
- Broadband %84.0%
- Vacant %13.6%
- Median Year Built1989
Visual comparison (same scale)
Median Home Value
$162k$166k
Median Rent
$627$573
Owner Occupied %
78.4%79.0%
Broadband %
86.2%84.0%
Vacant %
28.2%13.6%
Median Year Built
19921989
Climate & Location
ZIP 30557
Martin town, GA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,012 ft
- Nearest Airport27.1 miles (43.6 km)
- Distance to Coast91.6 miles (147.4 km)
ZIP 30521
Carnesville city, GA
View full profile →- Snow Days/Year0 days
- Elevation (ft)820 ft
- Nearest Airport28.6 miles (46.1 km)
- Distance to Coast91.0 miles (146.4 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,012 ft820 ft
Nearest Airport
27.1 miles (43.6 km)28.6 miles (46.1 km)
Distance to Coast
91.6 miles (147.4 km)91.0 miles (146.4 km)
Infrastructure
ZIP 30521
Carnesville city, GA
View full profile →- Work From Home %11.1%
- Walkability (0–100)13
- Broadband %84.0%
Visual comparison (same scale)
Work From Home %
5.5%11.1%
Walkability (0–100)
—13
Broadband %
86.2%84.0%
Frequently Asked Questions
How do ZIP 30557 and 30521 compare?
ZIP 30557 is wealthier, more diverse, more educated. ZIP 30521 is higher home values, more affordable rent, lower poverty rate, lower unemployment, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (30557), orange the second (30521). 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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