15821 vs 15857 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 15821, Orange = ZIP 15857.
Quick verdict: ZIP 15821 is higher home values, lower poverty rate, higher work-from-home share. ZIP 15857 is wealthier, lower unemployment, more diverse, more educated.
Quick Facts
ZIP 15821
PA
View full profile →- Population64
- Median Income$48,750
- Median Home Value$153k
- Median Rent—
- Median Age58.1 yrs
- Poverty Rate0.0%
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
6412,825
Median Income
$48,750$64,894
Median Home Value
$153k$145k
Median Rent
—$619
Median Age
58.1 yrs49.8 yrs
Poverty Rate
0.0%8.3%
Demographics
ZIP 15821
PA
View full profile →- White %96.9%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %0.0%
- Age 18–64 %68.8%
- Age 65+ %31.3%
- Bachelor's+ %17.2%
- Diversity Index6/100
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 %
96.9%94.2%
Black %
0.0%1.7%
Asian %
0.0%0.3%
Hispanic %
0.0%1.6%
Age 0–17 %
0.0%18.1%
Age 18–64 %
68.8%56.4%
Age 65+ %
31.3%25.6%
Bachelor's+ %
17.2%20.6%
Diversity Index
6/10011/100
Economy
ZIP 15821
PA
View full profile →- Median Income$48,750
- Unemployment %14.7%
- IRS Net Migration+3
- Work From Home %6.9%
- Mean Commute (min)27 min
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%
- Mean Commute (min)—
Visual comparison (same scale)
Median Income
$48,750$64,894
Unemployment %
14.7%8.4%
IRS Net Migration
+3+584
Work From Home %
6.9%1.2%
Mean Commute (min)
27 min—
Housing
ZIP 15821
PA
View full profile →- Median Home Value$153k
- Median Rent—
- Owner Occupied %84.1%
- Broadband %84.1%
- Vacant %88.4%
- Median Year Built1969
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
$153k$145k
Median Rent
—$619
Owner Occupied %
84.1%76.0%
Broadband %
84.1%84.1%
Vacant %
88.4%8.3%
Median Year Built
19691963
Climate & Location
ZIP 15821
PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,040 ft
- Nearest Airport30.0 miles (48.3 km)
- Distance to Coast90.8 miles (146.2 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)
1,040 ft1,720 ft
Nearest Airport
30.0 miles (48.3 km)24.8 miles (40.0 km)
Distance to Coast
90.8 miles (146.2 km)81.2 miles (130.7 km)
Infrastructure
ZIP 15821
PA
View full profile →- Mean Commute (min)27 min
- Work From Home %6.9%
- Walkability (0–100)26
- Broadband %84.1%
ZIP 15857
St. Marys city, PA
View full profile →- Mean Commute (min)—
- Work From Home %1.2%
- Walkability (0–100)32
- Broadband %84.1%
Visual comparison (same scale)
Mean Commute (min)
27 min—
Work From Home %
6.9%1.2%
Walkability (0–100)
2632
Broadband %
84.1%84.1%
Frequently Asked Questions
How do ZIP 15821 and 15857 compare?
ZIP 15821 is higher home values, lower poverty rate, higher work-from-home share. ZIP 15857 is wealthier, lower unemployment, more diverse, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (15821), 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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