21550 vs 21531 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21550, Orange = ZIP 21531.
Quick verdict: ZIP 21550 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 21531 is more affordable rent, more diverse.
Quick Facts
ZIP 21550
Oakland town, MD
View full profile →- Population13,469
- Median Income$65,302
- Median Home Value$210k
- Median Rent$601
- Median Age48.5 yrs
- Poverty Rate11.3%
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
13,4692,346
Median Income
$65,302$53,750
Median Home Value
$210k$170k
Median Rent
$601$438
Median Age
48.5 yrs48.8 yrs
Poverty Rate
11.3%16.0%
Demographics
ZIP 21550
Oakland town, MD
View full profile →- White %95.7%
- Black %0.4%
- Asian %0.4%
- Hispanic %1.3%
- Age 0–17 %17.9%
- Age 18–64 %57.0%
- Age 65+ %25.1%
- Bachelor's+ %25.6%
- Diversity Index8/100
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 %
95.7%95.3%
Black %
0.4%0.4%
Asian %
0.4%0.0%
Hispanic %
1.3%0.8%
Age 0–17 %
17.9%16.7%
Age 18–64 %
57.0%61.8%
Age 65+ %
25.1%21.5%
Bachelor's+ %
25.6%14.8%
Diversity Index
8/1009/100
Economy
ZIP 21550
Oakland town, MD
View full profile →- Median Income$65,302
- Unemployment %5.0%
- IRS Net Migration+791
- Work From Home %12.4%
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
$65,302$53,750
Unemployment %
5.0%6.0%
IRS Net Migration
+791+138
Work From Home %
12.4%8.1%
Housing
ZIP 21550
Oakland town, MD
View full profile →- Median Home Value$210k
- Median Rent$601
- Owner Occupied %77.8%
- Broadband %83.4%
- Vacant %29.4%
- Median Year Built1979
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
$210k$170k
Median Rent
$601$438
Owner Occupied %
77.8%84.9%
Broadband %
83.4%83.9%
Vacant %
29.4%20.7%
Median Year Built
19791981
Climate & Location
ZIP 21550
Oakland town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,420 ft
- Nearest Airport33.1 miles (53.3 km)
- Distance to Coast124.3 miles (200.0 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)
2,420 ft2,040 ft
Nearest Airport
33.1 miles (53.3 km)26.0 miles (41.9 km)
Distance to Coast
124.3 miles (200.0 km)133.7 miles (215.2 km)
Infrastructure
ZIP 21550
Oakland town, MD
View full profile →- Work From Home %12.4%
- Walkability (0–100)29
- Broadband %83.4%
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 %
12.4%8.1%
Walkability (0–100)
2931
Broadband %
83.4%83.9%
Frequently Asked Questions
How do ZIP 21550 and 21531 compare?
ZIP 21550 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 21531 is more affordable rent, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (21550), 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).
Continue exploring