20778 vs 21037 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 20778, Orange = ZIP 21037.
Quick verdict: ZIP 20778 is wealthier, higher home values, lower poverty rate, lower unemployment, higher work-from-home share. ZIP 21037 is more diverse, more educated.
Quick Facts
ZIP 20778
Shady Side CDP, MD
View full profile →- Population2,243
- Median Income$177,083
- Median Home Value$718k
- Median Rent—
- Median Age47.4 yrs
- Poverty Rate0.8%
ZIP 21037
Mayo CDP, MD
View full profile →- Population20,851
- Median Income$135,541
- Median Home Value$531k
- Median Rent$1,954
- Median Age41.4 yrs
- Poverty Rate4.0%
Visual comparison (same scale)
Population
2,24320,851
Median Income
$177,083$135,541
Median Home Value
$718k$531k
Median Rent
—$1,954
Median Age
47.4 yrs41.4 yrs
Poverty Rate
0.8%4.0%
Demographics
ZIP 20778
Shady Side CDP, MD
View full profile →- White %91.2%
- Black %0.4%
- Asian %0.0%
- Hispanic %13.3%
- Age 0–17 %23.8%
- Age 18–64 %59.2%
- Age 65+ %17.0%
- Bachelor's+ %43.8%
- Diversity Index15/100
ZIP 21037
Mayo CDP, MD
View full profile →- White %87.5%
- Black %5.3%
- Asian %1.0%
- Hispanic %5.6%
- Age 0–17 %22.0%
- Age 18–64 %61.3%
- Age 65+ %16.7%
- Bachelor's+ %46.2%
- Diversity Index23/100
Visual comparison (same scale)
White %
91.2%87.5%
Black %
0.4%5.3%
Asian %
0.0%1.0%
Hispanic %
13.3%5.6%
Age 0–17 %
23.8%22.0%
Age 18–64 %
59.2%61.3%
Age 65+ %
17.0%16.7%
Bachelor's+ %
43.8%46.2%
Diversity Index
15/10023/100
Economy
ZIP 20778
Shady Side CDP, MD
View full profile →- Median Income$177,083
- Unemployment %3.2%
- IRS Net Migration+132
- Work From Home %27.9%
ZIP 21037
Mayo CDP, MD
View full profile →- Median Income$135,541
- Unemployment %3.8%
- IRS Net Migration+1,225
- Work From Home %24.6%
Visual comparison (same scale)
Median Income
$177,083$135,541
Unemployment %
3.2%3.8%
IRS Net Migration
+132+1,225
Work From Home %
27.9%24.6%
Housing
ZIP 20778
Shady Side CDP, MD
View full profile →- Median Home Value$718k
- Median Rent—
- Owner Occupied %98.2%
- Broadband %93.8%
- Vacant %0.0%
- Median Year Built1991
ZIP 21037
Mayo CDP, MD
View full profile →- Median Home Value$531k
- Median Rent$1,954
- Owner Occupied %89.3%
- Broadband %95.6%
- Vacant %8.6%
- Median Year Built1984
Visual comparison (same scale)
Median Home Value
$718k$531k
Median Rent
—$1,954
Owner Occupied %
98.2%89.3%
Broadband %
93.8%95.6%
Vacant %
0.0%8.6%
Median Year Built
19911984
Climate & Location
ZIP 20778
Shady Side CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)130 ft
- Nearest Airport15.9 miles (25.6 km)
- Distance to Coast1.7 miles (2.7 km)
ZIP 21037
Mayo CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)25 ft
- Nearest Airport16.3 miles (26.3 km)
- Distance to Coast0.8 miles (1.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
130 ft25 ft
Nearest Airport
15.9 miles (25.6 km)16.3 miles (26.3 km)
Distance to Coast
1.7 miles (2.7 km)0.8 miles (1.2 km)
Infrastructure
ZIP 20778
Shady Side CDP, MD
View full profile →- Work From Home %27.9%
- Walkability (0–100)33
- Broadband %93.8%
Visual comparison (same scale)
Work From Home %
27.9%24.6%
Walkability (0–100)
3346
Broadband %
93.8%95.6%
Frequently Asked Questions
How do ZIP 20778 and 21037 compare?
ZIP 20778 is wealthier, higher home values, lower poverty rate, lower unemployment, higher work-from-home share. ZIP 21037 is more diverse, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (20778), orange the second (21037). 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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