31558 vs 15857 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 31558, Orange = ZIP 15857.
Quick verdict: ZIP 31558 is wealthier, higher home values, more diverse, more educated, higher work-from-home share. ZIP 15857 is more affordable rent, lower poverty rate, lower unemployment.
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 15857
St. Marys city, PA
View full profile →- Population12,825
- Median Income$64,894
- Median Home Value$145k
- Median Rent$619
- Median Age49.8 yrs
- Poverty Rate8.3%
Visual comparison (same scale)
Population
22,49812,825
Median Income
$67,761$64,894
Median Home Value
$251k$145k
Median Rent
$1,033$619
Median Age
32.7 yrs49.8 yrs
Poverty Rate
19.6%8.3%
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 15857
St. Marys city, PA
View full profile →- White %94.2%
- Black %1.7%
- Asian %0.3%
- Hispanic %1.6%
- Age 0–17 %18.1%
- Age 18–64 %56.4%
- Age 65+ %25.6%
- Bachelor's+ %20.6%
- Diversity Index11/100
Visual comparison (same scale)
White %
73.0%94.2%
Black %
14.8%1.7%
Asian %
1.6%0.3%
Hispanic %
7.6%1.6%
Age 0–17 %
25.9%18.1%
Age 18–64 %
58.6%56.4%
Age 65+ %
15.5%25.6%
Bachelor's+ %
24.9%20.6%
Diversity Index
44/10011/100
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 15857
St. Marys city, PA
View full profile →- Median Income$64,894
- Unemployment %8.4%
- IRS Net Migration+584
- Work From Home %1.2%
Visual comparison (same scale)
Median Income
$67,761$64,894
Unemployment %
8.8%8.4%
IRS Net Migration
+993+584
Work From Home %
13.1%1.2%
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 15857
St. Marys city, PA
View full profile →- Median Home Value$145k
- Median Rent$619
- Owner Occupied %76.0%
- Broadband %84.1%
- Vacant %8.3%
- Median Year Built1963
Visual comparison (same scale)
Median Home Value
$251k$145k
Median Rent
$1,033$619
Owner Occupied %
53.3%76.0%
Broadband %
92.3%84.1%
Vacant %
7.7%8.3%
Median Year Built
19931963
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 15857
St. Marys city, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,720 ft
- Nearest Airport24.8 miles (40.0 km)
- Distance to Coast81.2 miles (130.7 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
25 ft1,720 ft
Nearest Airport
17.6 miles (28.3 km)24.8 miles (40.0 km)
Distance to Coast
1.3 miles (2.1 km)81.2 miles (130.7 km)
Infrastructure
ZIP 31558
St. Marys city, GA
View full profile →- Work From Home %13.1%
- Walkability (0–100)30
- Broadband %92.3%
ZIP 15857
St. Marys city, PA
View full profile →- Work From Home %1.2%
- Walkability (0–100)32
- Broadband %84.1%
Visual comparison (same scale)
Work From Home %
13.1%1.2%
Walkability (0–100)
3032
Broadband %
92.3%84.1%
Frequently Asked Questions
How do ZIP 31558 and 15857 compare?
ZIP 31558 is wealthier, higher home values, more diverse, more educated, higher work-from-home share. ZIP 15857 is more affordable rent, lower poverty rate, lower unemployment.
What do the blue and orange colors mean?
Blue represents the first ZIP (31558), orange the second (15857). 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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