20871 vs 20877 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 20871, Orange = ZIP 20877.
Quick verdict: ZIP 20871 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share. ZIP 20877 is more affordable rent.
Quick Facts
ZIP 20871
Clarksburg CDP, MD
View full profile →- Population28,329
- Median Income$177,120
- Median Home Value$629k
- Median Rent$2,134
- Median Age37.9 yrs
- Poverty Rate4.5%
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%
Visual comparison (same scale)
Population
28,32939,068
Median Income
$177,120$86,103
Median Home Value
$629k$463k
Median Rent
$2,134$1,729
Median Age
37.9 yrs37.2 yrs
Poverty Rate
4.5%11.3%
Demographics
ZIP 20871
Clarksburg CDP, MD
View full profile →- White %32.4%
- Black %15.0%
- Asian %38.2%
- Hispanic %12.5%
- Age 0–17 %30.0%
- Age 18–64 %61.3%
- Age 65+ %8.8%
- Bachelor's+ %67.6%
- Diversity Index71/100
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
Visual comparison (same scale)
White %
32.4%24.6%
Black %
15.0%16.1%
Asian %
38.2%14.4%
Hispanic %
12.5%47.4%
Age 0–17 %
30.0%24.5%
Age 18–64 %
61.3%60.5%
Age 65+ %
8.8%15.1%
Bachelor's+ %
67.6%35.2%
Diversity Index
71/10067/100
Economy
ZIP 20871
Clarksburg CDP, MD
View full profile →- Median Income$177,120
- Unemployment %4.3%
- IRS Net Migration+1,664
- Work From Home %26.6%
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%
Visual comparison (same scale)
Median Income
$177,120$86,103
Unemployment %
4.3%6.2%
IRS Net Migration
+1,664+2,295
Work From Home %
26.6%15.9%
Housing
ZIP 20871
Clarksburg CDP, MD
View full profile →- Median Home Value$629k
- Median Rent$2,134
- Owner Occupied %87.1%
- Broadband %98.5%
- Vacant %1.7%
- Median Year Built2009
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
Visual comparison (same scale)
Median Home Value
$629k$463k
Median Rent
$2,134$1,729
Owner Occupied %
87.1%43.9%
Broadband %
98.5%93.2%
Vacant %
1.7%5.3%
Median Year Built
20091985
Climate & Location
ZIP 20871
Clarksburg CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)700 ft
- Nearest Airport23.8 miles (38.3 km)
- Distance to Coast25.7 miles (41.3 km)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
700 ft440 ft
Nearest Airport
23.8 miles (38.3 km)19.6 miles (31.5 km)
Distance to Coast
25.7 miles (41.3 km)16.2 miles (26.0 km)
Infrastructure
ZIP 20871
Clarksburg CDP, MD
View full profile →- Work From Home %26.6%
- Walkability (0–100)29
- Broadband %98.5%
ZIP 20877
Gaithersburg city, MD
View full profile →- Work From Home %15.9%
- Walkability (0–100)65
- Broadband %93.2%
Visual comparison (same scale)
Work From Home %
26.6%15.9%
Walkability (0–100)
2965
Broadband %
98.5%93.2%
Frequently Asked Questions
How do ZIP 20871 and 20877 compare?
ZIP 20871 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share. ZIP 20877 is more affordable rent.
What do the blue and orange colors mean?
Blue represents the first ZIP (20871), orange the second (20877). 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