21521 vs 21531 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21521, Orange = ZIP 21531.
Quick verdict: ZIP 21521 is wealthier, lower poverty rate. ZIP 21531 is higher home values, more affordable rent, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 21521
Moscow CDP, MD
View full profile →- Population1,521
- Median Income$69,758
- Median Home Value$131k
- Median Rent$600
- Median Age54.2 yrs
- Poverty Rate11.4%
ZIP 21531
Friendsville town, MD
View full profile →- Population2,346
- Median Income$53,750
- Median Home Value$170k
- Median Rent$438
- Median Age48.8 yrs
- Poverty Rate16.0%
Visual comparison (same scale)
Population
1,5212,346
Median Income
$69,758$53,750
Median Home Value
$131k$170k
Median Rent
$600$438
Median Age
54.2 yrs48.8 yrs
Poverty Rate
11.4%16.0%
Demographics
ZIP 21521
Moscow CDP, MD
View full profile →- White %99.3%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.3%
- Age 0–17 %15.3%
- Age 18–64 %58.6%
- Age 65+ %26.2%
- Bachelor's+ %10.1%
- Diversity Index1/100
ZIP 21531
Friendsville town, MD
View full profile →- White %95.3%
- Black %0.4%
- Asian %0.0%
- Hispanic %0.8%
- Age 0–17 %16.7%
- Age 18–64 %61.8%
- Age 65+ %21.5%
- Bachelor's+ %14.8%
- Diversity Index9/100
Visual comparison (same scale)
White %
99.3%95.3%
Black %
0.0%0.4%
Asian %
0.0%0.0%
Hispanic %
0.3%0.8%
Age 0–17 %
15.3%16.7%
Age 18–64 %
58.6%61.8%
Age 65+ %
26.2%21.5%
Bachelor's+ %
10.1%14.8%
Diversity Index
1/1009/100
Economy
ZIP 21521
Moscow CDP, MD
View full profile →- Median Income$69,758
- Unemployment %12.6%
- IRS Net Migration+89
- Work From Home %3.8%
ZIP 21531
Friendsville town, MD
View full profile →- Median Income$53,750
- Unemployment %6.0%
- IRS Net Migration+138
- Work From Home %8.1%
Visual comparison (same scale)
Median Income
$69,758$53,750
Unemployment %
12.6%6.0%
IRS Net Migration
+89+138
Work From Home %
3.8%8.1%
Housing
ZIP 21521
Moscow CDP, MD
View full profile →- Median Home Value$131k
- Median Rent$600
- Owner Occupied %93.6%
- Broadband %74.8%
- Vacant %15.9%
- Median Year Built1965
ZIP 21531
Friendsville town, MD
View full profile →- Median Home Value$170k
- Median Rent$438
- Owner Occupied %84.9%
- Broadband %83.9%
- Vacant %20.7%
- Median Year Built1981
Visual comparison (same scale)
Median Home Value
$131k$170k
Median Rent
$600$438
Owner Occupied %
93.6%84.9%
Broadband %
74.8%83.9%
Vacant %
15.9%20.7%
Median Year Built
19651981
Climate & Location
ZIP 21521
Moscow CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,495 ft
- Nearest Airport47.1 miles (75.8 km)
- Distance to Coast112.6 miles (181.2 km)
ZIP 21531
Friendsville town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,040 ft
- Nearest Airport26.0 miles (41.9 km)
- Distance to Coast133.7 miles (215.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,495 ft2,040 ft
Nearest Airport
47.1 miles (75.8 km)26.0 miles (41.9 km)
Distance to Coast
112.6 miles (181.2 km)133.7 miles (215.2 km)
Infrastructure
ZIP 21531
Friendsville town, MD
View full profile →- Work From Home %8.1%
- Walkability (0–100)31
- Broadband %83.9%
Visual comparison (same scale)
Work From Home %
3.8%8.1%
Walkability (0–100)
3531
Broadband %
74.8%83.9%
Frequently Asked Questions
How do ZIP 21521 and 21531 compare?
ZIP 21521 is wealthier, lower poverty rate. ZIP 21531 is higher home values, more affordable rent, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21521), orange the second (21531). 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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