20877 vs 20855 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 20877, Orange = ZIP 20855.
Quick verdict: ZIP 20877 is more affordable rent. ZIP 20855 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 20877
Gaithersburg city, MD
View full profile →- Population39,068
- Median Income$86,103
- Median Home Value$463k
- Median Rent$1,729
- Median Age37.2 yrs
- Poverty Rate11.3%
ZIP 20855
Redland CDP, MD
View full profile →- Population16,557
- Median Income$147,708
- Median Home Value$615k
- Median Rent$2,251
- Median Age41.8 yrs
- Poverty Rate4.5%
Visual comparison (same scale)
Population
39,06816,557
Median Income
$86,103$147,708
Median Home Value
$463k$615k
Median Rent
$1,729$2,251
Median Age
37.2 yrs41.8 yrs
Poverty Rate
11.3%4.5%
Demographics
ZIP 20877
Gaithersburg city, MD
View full profile →- White %24.6%
- Black %16.1%
- Asian %14.4%
- Hispanic %47.4%
- Age 0–17 %24.5%
- Age 18–64 %60.5%
- Age 65+ %15.1%
- Bachelor's+ %35.2%
- Diversity Index67/100
ZIP 20855
Redland CDP, MD
View full profile →- White %49.1%
- Black %15.7%
- Asian %18.6%
- Hispanic %13.1%
- Age 0–17 %21.2%
- Age 18–64 %60.4%
- Age 65+ %18.4%
- Bachelor's+ %67.8%
- Diversity Index68/100
Visual comparison (same scale)
White %
24.6%49.1%
Black %
16.1%15.7%
Asian %
14.4%18.6%
Hispanic %
47.4%13.1%
Age 0–17 %
24.5%21.2%
Age 18–64 %
60.5%60.4%
Age 65+ %
15.1%18.4%
Bachelor's+ %
35.2%67.8%
Diversity Index
67/10068/100
Economy
ZIP 20877
Gaithersburg city, MD
View full profile →- Median Income$86,103
- Unemployment %6.2%
- IRS Net Migration+2,295
- Work From Home %15.9%
ZIP 20855
Redland CDP, MD
View full profile →- Median Income$147,708
- Unemployment %3.1%
- IRS Net Migration+973
- Work From Home %28.0%
Visual comparison (same scale)
Median Income
$86,103$147,708
Unemployment %
6.2%3.1%
IRS Net Migration
+2,295+973
Work From Home %
15.9%28.0%
Housing
ZIP 20877
Gaithersburg city, MD
View full profile →- Median Home Value$463k
- Median Rent$1,729
- Owner Occupied %43.9%
- Broadband %93.2%
- Vacant %5.3%
- Median Year Built1985
ZIP 20855
Redland CDP, MD
View full profile →- Median Home Value$615k
- Median Rent$2,251
- Owner Occupied %77.9%
- Broadband %97.7%
- Vacant %1.6%
- Median Year Built1983
Visual comparison (same scale)
Median Home Value
$463k$615k
Median Rent
$1,729$2,251
Owner Occupied %
43.9%77.9%
Broadband %
93.2%97.7%
Vacant %
5.3%1.6%
Median Year Built
19851983
Climate & Location
ZIP 20877
Gaithersburg city, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)440 ft
- Nearest Airport19.6 miles (31.5 km)
- Distance to Coast16.2 miles (26.0 km)
ZIP 20855
Redland CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)440 ft
- Nearest Airport20.1 miles (32.3 km)
- Distance to Coast15.0 miles (24.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
440 ft440 ft
Nearest Airport
19.6 miles (31.5 km)20.1 miles (32.3 km)
Distance to Coast
16.2 miles (26.0 km)15.0 miles (24.2 km)
Infrastructure
ZIP 20877
Gaithersburg city, MD
View full profile →- Work From Home %15.9%
- Walkability (0–100)65
- Broadband %93.2%
ZIP 20855
Redland CDP, MD
View full profile →- Work From Home %28.0%
- Walkability (0–100)56
- Broadband %97.7%
Visual comparison (same scale)
Work From Home %
15.9%28.0%
Walkability (0–100)
6556
Broadband %
93.2%97.7%
Frequently Asked Questions
How do ZIP 20877 and 20855 compare?
ZIP 20877 is more affordable rent. ZIP 20855 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (20877), orange the second (20855). 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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