21788 vs 21771 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21788, Orange = ZIP 21771.
Quick verdict: ZIP 21788 is more affordable rent, lower unemployment. ZIP 21771 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 21788
Thurmont town, MD
View full profile →- Population11,919
- Median Income$93,717
- Median Home Value$343k
- Median Rent$906
- Median Age46.5 yrs
- Poverty Rate9.4%
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%
Visual comparison (same scale)
Population
11,91932,827
Median Income
$93,717$154,844
Median Home Value
$343k$532k
Median Rent
$906$1,873
Median Age
46.5 yrs41.4 yrs
Poverty Rate
9.4%3.5%
Demographics
ZIP 21788
Thurmont town, MD
View full profile →- White %90.2%
- Black %1.4%
- Asian %0.9%
- Hispanic %6.0%
- Age 0–17 %18.9%
- Age 18–64 %60.8%
- Age 65+ %20.3%
- Bachelor's+ %29.5%
- Diversity Index18/100
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
Visual comparison (same scale)
White %
90.2%83.8%
Black %
1.4%4.5%
Asian %
0.9%2.0%
Hispanic %
6.0%8.8%
Age 0–17 %
18.9%23.3%
Age 18–64 %
60.8%61.3%
Age 65+ %
20.3%15.4%
Bachelor's+ %
29.5%46.1%
Diversity Index
18/10029/100
Economy
ZIP 21788
Thurmont town, MD
View full profile →- Median Income$93,717
- Unemployment %3.0%
- IRS Net Migration+700
- Work From Home %14.4%
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%
Visual comparison (same scale)
Median Income
$93,717$154,844
Unemployment %
3.0%3.8%
IRS Net Migration
+700+1,929
Work From Home %
14.4%18.7%
Housing
ZIP 21788
Thurmont town, MD
View full profile →- Median Home Value$343k
- Median Rent$906
- Owner Occupied %81.6%
- Broadband %87.8%
- Vacant %5.5%
- Median Year Built1978
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
Visual comparison (same scale)
Median Home Value
$343k$532k
Median Rent
$906$1,873
Owner Occupied %
81.6%92.9%
Broadband %
87.8%94.0%
Vacant %
5.5%4.6%
Median Year Built
19781987
Climate & Location
ZIP 21788
Thurmont town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,610 ft
- Nearest Airport18.6 miles (30.0 km)
- Distance to Coast45.9 miles (73.9 km)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,610 ft700 ft
Nearest Airport
18.6 miles (30.0 km)30.4 miles (49.0 km)
Distance to Coast
45.9 miles (73.9 km)28.4 miles (45.7 km)
Infrastructure
ZIP 21788
Thurmont town, MD
View full profile →- Work From Home %14.4%
- Walkability (0–100)36
- Broadband %87.8%
ZIP 21771
Green Valley CDP, MD
View full profile →- Work From Home %18.7%
- Walkability (0–100)32
- Broadband %94.0%
Visual comparison (same scale)
Work From Home %
14.4%18.7%
Walkability (0–100)
3632
Broadband %
87.8%94.0%
Frequently Asked Questions
How do ZIP 21788 and 21771 compare?
ZIP 21788 is more affordable rent, lower unemployment. ZIP 21771 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21788), orange the second (21771). 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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