21771 vs 21793 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21771, Orange = ZIP 21793.
Quick verdict: ZIP 21771 is wealthier, higher home values, more educated, higher work-from-home share. ZIP 21793 is more affordable rent, lower poverty rate, lower unemployment, more diverse.
Quick Facts
ZIP 21771
Green Valley CDP, MD
View full profile →- Population32,827
- Median Income$154,844
- Median Home Value$532k
- Median Rent$1,873
- Median Age41.4 yrs
- Poverty Rate3.5%
ZIP 21793
Walkersville town, MD
View full profile →- Population10,914
- Median Income$128,504
- Median Home Value$416k
- Median Rent$1,352
- Median Age42.6 yrs
- Poverty Rate2.8%
Visual comparison (same scale)
Population
32,82710,914
Median Income
$154,844$128,504
Median Home Value
$532k$416k
Median Rent
$1,873$1,352
Median Age
41.4 yrs42.6 yrs
Poverty Rate
3.5%2.8%
Demographics
ZIP 21771
Green Valley CDP, MD
View full profile →- White %83.8%
- Black %4.5%
- Asian %2.0%
- Hispanic %8.8%
- Age 0–17 %23.3%
- Age 18–64 %61.3%
- Age 65+ %15.4%
- Bachelor's+ %46.1%
- Diversity Index29/100
ZIP 21793
Walkersville town, MD
View full profile →- White %73.6%
- Black %7.3%
- Asian %3.6%
- Hispanic %15.3%
- Age 0–17 %22.4%
- Age 18–64 %61.0%
- Age 65+ %16.6%
- Bachelor's+ %39.4%
- Diversity Index43/100
Visual comparison (same scale)
White %
83.8%73.6%
Black %
4.5%7.3%
Asian %
2.0%3.6%
Hispanic %
8.8%15.3%
Age 0–17 %
23.3%22.4%
Age 18–64 %
61.3%61.0%
Age 65+ %
15.4%16.6%
Bachelor's+ %
46.1%39.4%
Diversity Index
29/10043/100
Economy
ZIP 21771
Green Valley CDP, MD
View full profile →- Median Income$154,844
- Unemployment %3.8%
- IRS Net Migration+1,929
- Work From Home %18.7%
ZIP 21793
Walkersville town, MD
View full profile →- Median Income$128,504
- Unemployment %3.1%
- IRS Net Migration+641
- Work From Home %14.7%
Visual comparison (same scale)
Median Income
$154,844$128,504
Unemployment %
3.8%3.1%
IRS Net Migration
+1,929+641
Work From Home %
18.7%14.7%
Housing
ZIP 21771
Green Valley CDP, MD
View full profile →- Median Home Value$532k
- Median Rent$1,873
- Owner Occupied %92.9%
- Broadband %94.0%
- Vacant %4.6%
- Median Year Built1987
ZIP 21793
Walkersville town, MD
View full profile →- Median Home Value$416k
- Median Rent$1,352
- Owner Occupied %86.2%
- Broadband %91.3%
- Vacant %3.1%
- Median Year Built1981
Visual comparison (same scale)
Median Home Value
$532k$416k
Median Rent
$1,873$1,352
Owner Occupied %
92.9%86.2%
Broadband %
94.0%91.3%
Vacant %
4.6%3.1%
Median Year Built
19871981
Climate & Location
ZIP 21771
Green Valley CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)700 ft
- Nearest Airport30.4 miles (49.0 km)
- Distance to Coast28.4 miles (45.7 km)
ZIP 21793
Walkersville town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)380 ft
- Nearest Airport25.3 miles (40.7 km)
- Distance to Coast39.7 miles (63.9 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
700 ft380 ft
Nearest Airport
30.4 miles (49.0 km)25.3 miles (40.7 km)
Distance to Coast
28.4 miles (45.7 km)39.7 miles (63.9 km)
Infrastructure
ZIP 21771
Green Valley CDP, MD
View full profile →- Work From Home %18.7%
- Walkability (0–100)32
- Broadband %94.0%
ZIP 21793
Walkersville town, MD
View full profile →- Work From Home %14.7%
- Walkability (0–100)42
- Broadband %91.3%
Visual comparison (same scale)
Work From Home %
18.7%14.7%
Walkability (0–100)
3242
Broadband %
94.0%91.3%
Frequently Asked Questions
How do ZIP 21771 and 21793 compare?
ZIP 21771 is wealthier, higher home values, more educated, higher work-from-home share. ZIP 21793 is more affordable rent, lower poverty rate, lower unemployment, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (21771), orange the second (21793). 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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