31558 vs 31520 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 31558, Orange = ZIP 31520.
Quick verdict: ZIP 31558 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share. ZIP 31520 is more affordable rent, lower unemployment, more diverse.
Quick Facts
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%
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%
Visual comparison (same scale)
Population
22,49822,743
Median Income
$67,761$37,652
Median Home Value
$251k$135k
Median Rent
$1,033$683
Median Age
32.7 yrs36.8 yrs
Poverty Rate
19.6%30.7%
Demographics
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
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
Visual comparison (same scale)
White %
73.0%35.1%
Black %
14.8%49.9%
Asian %
1.6%1.2%
Hispanic %
7.6%11.1%
Age 0–17 %
25.9%24.4%
Age 18–64 %
58.6%57.3%
Age 65+ %
15.5%18.2%
Bachelor's+ %
24.9%16.2%
Diversity Index
44/10061/100
Economy
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%
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%
Visual comparison (same scale)
Median Income
$67,761$37,652
Unemployment %
8.8%6.9%
IRS Net Migration
+993+1,003
Work From Home %
13.1%2.9%
Housing
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
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
Visual comparison (same scale)
Median Home Value
$251k$135k
Median Rent
$1,033$683
Owner Occupied %
53.3%43.2%
Broadband %
92.3%74.0%
Vacant %
7.7%16.1%
Median Year Built
19931965
Climate & Location
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)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
25 ft13 ft
Nearest Airport
17.6 miles (28.3 km)5.6 miles (9.0 km)
Distance to Coast
1.3 miles (2.1 km)1.5 miles (2.4 km)
Infrastructure
ZIP 31558
St. Marys city, GA
View full profile →- Work From Home %13.1%
- Walkability (0–100)30
- Broadband %92.3%
ZIP 31520
Brunswick city, GA
View full profile →- Work From Home %2.9%
- Walkability (0–100)42
- Broadband %74.0%
Visual comparison (same scale)
Work From Home %
13.1%2.9%
Walkability (0–100)
3042
Broadband %
92.3%74.0%
Frequently Asked Questions
How do ZIP 31558 and 31520 compare?
ZIP 31558 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share. ZIP 31520 is more affordable rent, lower unemployment, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (31558), orange the second (31520). 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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