20878 vs 20855 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 20878, Orange = ZIP 20855.
Quick verdict: ZIP 20878 is higher home values, more affordable rent, more educated, higher work-from-home share. ZIP 20855 is wealthier, lower poverty rate, lower unemployment, more diverse.
Quick Facts
ZIP 20878
Gaithersburg city, MD
View full profile →- Population65,236
- Median Income$142,062
- Median Home Value$675k
- Median Rent$1,934
- Median Age41.4 yrs
- Poverty Rate5.0%
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
65,23616,557
Median Income
$142,062$147,708
Median Home Value
$675k$615k
Median Rent
$1,934$2,251
Median Age
41.4 yrs41.8 yrs
Poverty Rate
5.0%4.5%
Demographics
ZIP 20878
Gaithersburg city, MD
View full profile →- White %47.6%
- Black %10.5%
- Asian %26.5%
- Hispanic %13.8%
- Age 0–17 %21.8%
- Age 18–64 %63.2%
- Age 65+ %15.0%
- Bachelor's+ %70.1%
- 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 %
47.6%49.1%
Black %
10.5%15.7%
Asian %
26.5%18.6%
Hispanic %
13.8%13.1%
Age 0–17 %
21.8%21.2%
Age 18–64 %
63.2%60.4%
Age 65+ %
15.0%18.4%
Bachelor's+ %
70.1%67.8%
Diversity Index
67/10068/100
Economy
ZIP 20878
Gaithersburg city, MD
View full profile →- Median Income$142,062
- Unemployment %4.2%
- IRS Net Migration+3,833
- Work From Home %30.4%
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
$142,062$147,708
Unemployment %
4.2%3.1%
IRS Net Migration
+3,833+973
Work From Home %
30.4%28.0%
Housing
ZIP 20878
Gaithersburg city, MD
View full profile →- Median Home Value$675k
- Median Rent$1,934
- Owner Occupied %69.3%
- Broadband %98.1%
- Vacant %3.8%
- Median Year Built1987
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
$675k$615k
Median Rent
$1,934$2,251
Owner Occupied %
69.3%77.9%
Broadband %
98.1%97.7%
Vacant %
3.8%1.6%
Median Year Built
19871983
Climate & Location
ZIP 20878
Gaithersburg city, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)440 ft
- Nearest Airport16.0 miles (25.8 km)
- Distance to Coast15.7 miles (25.2 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
16.0 miles (25.8 km)20.1 miles (32.3 km)
Distance to Coast
15.7 miles (25.2 km)15.0 miles (24.2 km)
Infrastructure
ZIP 20878
Gaithersburg city, MD
View full profile →- Work From Home %30.4%
- Walkability (0–100)62
- Broadband %98.1%
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 %
30.4%28.0%
Walkability (0–100)
6256
Broadband %
98.1%97.7%
Frequently Asked Questions
How do ZIP 20878 and 20855 compare?
ZIP 20878 is higher home values, more affordable rent, more educated, higher work-from-home share. ZIP 20855 is wealthier, lower poverty rate, lower unemployment, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (20878), 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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