20854 vs 20818 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 20854, Orange = ZIP 20818.
Quick verdict: ZIP 20854 is wealthier. ZIP 20818 is higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 20854
Potomac CDP, MD
View full profile →- Population49,694
- Median Income$250,001
- Median Home Value$1105k
- Median Rent$2,789
- Median Age47.6 yrs
- Poverty Rate2.5%
ZIP 20818
Cabin John CDP, MD
View full profile →- Population1,602
- Median Income$221,392
- Median Home Value$1273k
- Median Rent—
- Median Age49.0 yrs
- Poverty Rate0.1%
Visual comparison (same scale)
Population
49,6941,602
Median Income
$250,001$221,392
Median Home Value
$1105k$1273k
Median Rent
$2,789—
Median Age
47.6 yrs49.0 yrs
Poverty Rate
2.5%0.1%
Demographics
ZIP 20854
Potomac CDP, MD
View full profile →- White %62.2%
- Black %4.8%
- Asian %22.1%
- Hispanic %8.7%
- Age 0–17 %24.6%
- Age 18–64 %52.9%
- Age 65+ %22.5%
- Bachelor's+ %85.7%
- Diversity Index55/100
ZIP 20818
Cabin John CDP, MD
View full profile →- White %58.5%
- Black %2.2%
- Asian %11.4%
- Hispanic %9.6%
- Age 0–17 %24.8%
- Age 18–64 %54.4%
- Age 65+ %20.7%
- Bachelor's+ %88.6%
- Diversity Index60/100
Visual comparison (same scale)
White %
62.2%58.5%
Black %
4.8%2.2%
Asian %
22.1%11.4%
Hispanic %
8.7%9.6%
Age 0–17 %
24.6%24.8%
Age 18–64 %
52.9%54.4%
Age 65+ %
22.5%20.7%
Bachelor's+ %
85.7%88.6%
Diversity Index
55/10060/100
Economy
ZIP 20854
Potomac CDP, MD
View full profile →- Median Income$250,001
- Unemployment %3.0%
- IRS Net Migration+2,920
- Work From Home %32.5%
ZIP 20818
Cabin John CDP, MD
View full profile →- Median Income$221,392
- Unemployment %0.0%
- IRS Net Migration+94
- Work From Home %38.7%
Visual comparison (same scale)
Median Income
$250,001$221,392
Unemployment %
3.0%0.0%
IRS Net Migration
+2,920+94
Work From Home %
32.5%38.7%
Housing
ZIP 20854
Potomac CDP, MD
View full profile →- Median Home Value$1105k
- Median Rent$2,789
- Owner Occupied %89.9%
- Broadband %98.4%
- Vacant %3.4%
- Median Year Built1979
ZIP 20818
Cabin John CDP, MD
View full profile →- Median Home Value$1273k
- Median Rent—
- Owner Occupied %94.1%
- Broadband %97.7%
- Vacant %9.6%
- Median Year Built1982
Visual comparison (same scale)
Median Home Value
$1105k$1273k
Median Rent
$2,789—
Owner Occupied %
89.9%94.1%
Broadband %
98.4%97.7%
Vacant %
3.4%9.6%
Median Year Built
19791982
Climate & Location
ZIP 20854
Potomac CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)440 ft
- Nearest Airport14.0 miles (22.6 km)
- Distance to Coast10.2 miles (16.4 km)
ZIP 20818
Cabin John CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)150 ft
- Nearest Airport10.7 miles (17.3 km)
- Distance to Coast5.0 miles (8.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
440 ft150 ft
Nearest Airport
14.0 miles (22.6 km)10.7 miles (17.3 km)
Distance to Coast
10.2 miles (16.4 km)5.0 miles (8.1 km)
Infrastructure
ZIP 20854
Potomac CDP, MD
View full profile →- Work From Home %32.5%
- Walkability (0–100)52
- Broadband %98.4%
ZIP 20818
Cabin John CDP, MD
View full profile →- Work From Home %38.7%
- Walkability (0–100)63
- Broadband %97.7%
Visual comparison (same scale)
Work From Home %
32.5%38.7%
Walkability (0–100)
5263
Broadband %
98.4%97.7%
Frequently Asked Questions
How do ZIP 20854 and 20818 compare?
ZIP 20854 is wealthier. ZIP 20818 is 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 (20854), orange the second (20818). 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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