31520 vs 31558 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 31520, Orange = ZIP 31558.
Quick verdict: ZIP 31520 is more affordable rent, lower unemployment, more diverse. ZIP 31558 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share.
Quick Facts
ZIP 31520
Brunswick city, GA
View full profile →- Population22,743
- Median Income$37,652
- Median Home Value$135k
- Median Rent$683
- Median Age36.8 yrs
- Poverty Rate30.7%
ZIP 31558
St. Marys city, GA
View full profile →- Population22,498
- Median Income$67,761
- Median Home Value$251k
- Median Rent$1,033
- Median Age32.7 yrs
- Poverty Rate19.6%
Visual comparison (same scale)
Population
22,74322,498
Median Income
$37,652$67,761
Median Home Value
$135k$251k
Median Rent
$683$1,033
Median Age
36.8 yrs32.7 yrs
Poverty Rate
30.7%19.6%
Demographics
ZIP 31520
Brunswick city, GA
View full profile →- White %35.1%
- Black %49.9%
- Asian %1.2%
- Hispanic %11.1%
- Age 0–17 %24.4%
- Age 18–64 %57.3%
- Age 65+ %18.2%
- Bachelor's+ %16.2%
- Diversity Index61/100
ZIP 31558
St. Marys city, GA
View full profile →- White %73.0%
- Black %14.8%
- Asian %1.6%
- Hispanic %7.6%
- Age 0–17 %25.9%
- Age 18–64 %58.6%
- Age 65+ %15.5%
- Bachelor's+ %24.9%
- Diversity Index44/100
Visual comparison (same scale)
White %
35.1%73.0%
Black %
49.9%14.8%
Asian %
1.2%1.6%
Hispanic %
11.1%7.6%
Age 0–17 %
24.4%25.9%
Age 18–64 %
57.3%58.6%
Age 65+ %
18.2%15.5%
Bachelor's+ %
16.2%24.9%
Diversity Index
61/10044/100
Economy
ZIP 31520
Brunswick city, GA
View full profile →- Median Income$37,652
- Unemployment %6.9%
- IRS Net Migration+1,003
- Work From Home %2.9%
ZIP 31558
St. Marys city, GA
View full profile →- Median Income$67,761
- Unemployment %8.8%
- IRS Net Migration+993
- Work From Home %13.1%
Visual comparison (same scale)
Median Income
$37,652$67,761
Unemployment %
6.9%8.8%
IRS Net Migration
+1,003+993
Work From Home %
2.9%13.1%
Housing
ZIP 31520
Brunswick city, GA
View full profile →- Median Home Value$135k
- Median Rent$683
- Owner Occupied %43.2%
- Broadband %74.0%
- Vacant %16.1%
- Median Year Built1965
ZIP 31558
St. Marys city, GA
View full profile →- Median Home Value$251k
- Median Rent$1,033
- Owner Occupied %53.3%
- Broadband %92.3%
- Vacant %7.7%
- Median Year Built1993
Visual comparison (same scale)
Median Home Value
$135k$251k
Median Rent
$683$1,033
Owner Occupied %
43.2%53.3%
Broadband %
74.0%92.3%
Vacant %
16.1%7.7%
Median Year Built
19651993
Climate & Location
ZIP 31520
Brunswick city, GA
View full profile →- Snow Days/Year0 days
- Elevation (ft)13 ft
- Nearest Airport5.6 miles (9.0 km)
- Distance to Coast1.5 miles (2.4 km)
ZIP 31558
St. Marys city, GA
View full profile →- Snow Days/Year0 days
- Elevation (ft)25 ft
- Nearest Airport17.6 miles (28.3 km)
- Distance to Coast1.3 miles (2.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
13 ft25 ft
Nearest Airport
5.6 miles (9.0 km)17.6 miles (28.3 km)
Distance to Coast
1.5 miles (2.4 km)1.3 miles (2.1 km)
Infrastructure
ZIP 31520
Brunswick city, GA
View full profile →- Work From Home %2.9%
- Walkability (0–100)42
- Broadband %74.0%
ZIP 31558
St. Marys city, GA
View full profile →- Work From Home %13.1%
- Walkability (0–100)30
- Broadband %92.3%
Visual comparison (same scale)
Work From Home %
2.9%13.1%
Walkability (0–100)
4230
Broadband %
74.0%92.3%
Frequently Asked Questions
How do ZIP 31520 and 31558 compare?
ZIP 31520 is more affordable rent, lower unemployment, more diverse. ZIP 31558 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (31520), orange the second (31558). 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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