21523 vs 21531 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21523, Orange = ZIP 21531.
Quick verdict: ZIP 21523 is wealthier, lower poverty rate, more diverse, more educated. ZIP 21531 is higher home values, lower unemployment, higher work-from-home share.
Quick Facts
ZIP 21523
Bloomington CDP, MD
View full profile →- Population165
- Median Income$70,347
- Median Home Value$105k
- Median Rent—
- Median Age38.1 yrs
- Poverty Rate9.1%
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
1652,346
Median Income
$70,347$53,750
Median Home Value
$105k$170k
Median Rent
—$438
Median Age
38.1 yrs48.8 yrs
Poverty Rate
9.1%16.0%
Demographics
ZIP 21523
Bloomington CDP, MD
View full profile →- White %81.2%
- Black %0.0%
- Asian %10.9%
- Hispanic %0.0%
- Age 0–17 %21.8%
- Age 18–64 %60.0%
- Age 65+ %18.2%
- Bachelor's+ %32.7%
- Diversity Index32/100
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 %
81.2%95.3%
Black %
0.0%0.4%
Asian %
10.9%0.0%
Hispanic %
0.0%0.8%
Age 0–17 %
21.8%16.7%
Age 18–64 %
60.0%61.8%
Age 65+ %
18.2%21.5%
Bachelor's+ %
32.7%14.8%
Diversity Index
32/1009/100
Economy
ZIP 21523
Bloomington CDP, MD
View full profile →- Median Income$70,347
- Unemployment %11.2%
- IRS Net Migration+10
- Work From Home %0.0%
- Mean Commute (min)79 min
ZIP 21531
Friendsville town, MD
View full profile →- Median Income$53,750
- Unemployment %6.0%
- IRS Net Migration+138
- Work From Home %8.1%
- Mean Commute (min)—
Visual comparison (same scale)
Median Income
$70,347$53,750
Unemployment %
11.2%6.0%
IRS Net Migration
+10+138
Work From Home %
0.0%8.1%
Mean Commute (min)
79 min—
Housing
ZIP 21523
Bloomington CDP, MD
View full profile →- Median Home Value$105k
- Median Rent—
- Owner Occupied %87.7%
- Broadband %100.0%
- Vacant %0.0%
- Median Year Built1962
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
$105k$170k
Median Rent
—$438
Owner Occupied %
87.7%84.9%
Broadband %
100.0%83.9%
Vacant %
0.0%20.7%
Median Year Built
19621981
Climate & Location
ZIP 21523
Bloomington CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,495 ft
- Nearest Airport46.1 miles (74.2 km)
- Distance to Coast112.0 miles (180.2 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
46.1 miles (74.2 km)26.0 miles (41.9 km)
Distance to Coast
112.0 miles (180.2 km)133.7 miles (215.2 km)
Infrastructure
ZIP 21523
Bloomington CDP, MD
View full profile →- Mean Commute (min)79 min
- Work From Home %0.0%
- Walkability (0–100)16
- Broadband %100.0%
ZIP 21531
Friendsville town, MD
View full profile →- Mean Commute (min)—
- Work From Home %8.1%
- Walkability (0–100)31
- Broadband %83.9%
Visual comparison (same scale)
Mean Commute (min)
79 min—
Work From Home %
0.0%8.1%
Walkability (0–100)
1631
Broadband %
100.0%83.9%
Frequently Asked Questions
How do ZIP 21523 and 21531 compare?
ZIP 21523 is wealthier, lower poverty rate, more diverse, more educated. ZIP 21531 is higher home values, lower unemployment, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21523), 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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