21520 vs 21531 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21520, Orange = ZIP 21531.
Quick verdict: ZIP 21520 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share. ZIP 21531 is more affordable rent.
Quick Facts
ZIP 21520
Accident town, MD
View full profile →- Population2,327
- Median Income$63,631
- Median Home Value$276k
- Median Rent$568
- Median Age39.4 yrs
- Poverty Rate7.9%
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
2,3272,346
Median Income
$63,631$53,750
Median Home Value
$276k$170k
Median Rent
$568$438
Median Age
39.4 yrs48.8 yrs
Poverty Rate
7.9%16.0%
Demographics
ZIP 21520
Accident town, MD
View full profile →- White %91.8%
- Black %3.5%
- Asian %1.9%
- Hispanic %1.4%
- Age 0–17 %23.6%
- Age 18–64 %59.9%
- Age 65+ %16.5%
- Bachelor's+ %28.5%
- Diversity Index16/100
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 %
91.8%95.3%
Black %
3.5%0.4%
Asian %
1.9%0.0%
Hispanic %
1.4%0.8%
Age 0–17 %
23.6%16.7%
Age 18–64 %
59.9%61.8%
Age 65+ %
16.5%21.5%
Bachelor's+ %
28.5%14.8%
Diversity Index
16/1009/100
Economy
ZIP 21520
Accident town, MD
View full profile →- Median Income$63,631
- Unemployment %1.3%
- IRS Net Migration+137
- Work From Home %12.0%
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
$63,631$53,750
Unemployment %
1.3%6.0%
IRS Net Migration
+137+138
Work From Home %
12.0%8.1%
Housing
ZIP 21520
Accident town, MD
View full profile →- Median Home Value$276k
- Median Rent$568
- Owner Occupied %79.1%
- Broadband %77.1%
- Vacant %17.6%
- Median Year Built1980
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
$276k$170k
Median Rent
$568$438
Owner Occupied %
79.1%84.9%
Broadband %
77.1%83.9%
Vacant %
17.6%20.7%
Median Year Built
19801981
Climate & Location
ZIP 21520
Accident town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,040 ft
- Nearest Airport32.8 miles (52.8 km)
- Distance to Coast127.2 miles (204.7 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)
2,040 ft2,040 ft
Nearest Airport
32.8 miles (52.8 km)26.0 miles (41.9 km)
Distance to Coast
127.2 miles (204.7 km)133.7 miles (215.2 km)
Infrastructure
ZIP 21520
Accident town, MD
View full profile →- Work From Home %12.0%
- Walkability (0–100)30
- Broadband %77.1%
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 %
12.0%8.1%
Walkability (0–100)
3031
Broadband %
77.1%83.9%
Frequently Asked Questions
How do ZIP 21520 and 21531 compare?
ZIP 21520 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share. ZIP 21531 is more affordable rent.
What do the blue and orange colors mean?
Blue represents the first ZIP (21520), 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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