20621 vs 20659 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 20621, Orange = ZIP 20659.
Quick verdict: ZIP 20621 is higher home values. ZIP 20659 is wealthier, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 20621
MD
View full profile →- Population902
- Median Income$0
- Median Home Value$563k
- Median Rent—
- Median Age60.2 yrs
- Poverty Rate12.2%
ZIP 20659
Mechanicsville CDP, MD
View full profile →- Population23,918
- Median Income$117,571
- Median Home Value$388k
- Median Rent$1,475
- Median Age37.5 yrs
- Poverty Rate7.2%
Visual comparison (same scale)
Population
90223,918
Median Income
$0$117,571
Median Home Value
$563k$388k
Median Rent
—$1,475
Median Age
60.2 yrs37.5 yrs
Poverty Rate
12.2%7.2%
Demographics
ZIP 20621
MD
View full profile →- White %92.5%
- Black %7.5%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %7.4%
- Age 18–64 %68.4%
- Age 65+ %24.2%
- Bachelor's+ %8.5%
- Diversity Index14/100
ZIP 20659
Mechanicsville CDP, MD
View full profile →- White %86.7%
- Black %6.7%
- Asian %0.6%
- Hispanic %3.1%
- Age 0–17 %28.2%
- Age 18–64 %56.7%
- Age 65+ %15.0%
- Bachelor's+ %25.8%
- Diversity Index24/100
Visual comparison (same scale)
White %
92.5%86.7%
Black %
7.5%6.7%
Asian %
0.0%0.6%
Hispanic %
0.0%3.1%
Age 0–17 %
7.4%28.2%
Age 18–64 %
68.4%56.7%
Age 65+ %
24.2%15.0%
Bachelor's+ %
8.5%25.8%
Diversity Index
14/10024/100
Economy
ZIP 20621
MD
View full profile →- Median Income$0
- Unemployment %4.3%
- IRS Net Migration+53
- Work From Home %8.1%
ZIP 20659
Mechanicsville CDP, MD
View full profile →- Median Income$117,571
- Unemployment %3.2%
- IRS Net Migration+1,405
- Work From Home %14.5%
Visual comparison (same scale)
Median Income
$0$117,571
Unemployment %
4.3%3.2%
IRS Net Migration
+53+1,405
Work From Home %
8.1%14.5%
Housing
ZIP 20621
MD
View full profile →- Median Home Value$563k
- Median Rent—
- Owner Occupied %97.5%
- Broadband %56.3%
- Vacant %31.3%
- Median Year Built1978
ZIP 20659
Mechanicsville CDP, MD
View full profile →- Median Home Value$388k
- Median Rent$1,475
- Owner Occupied %90.5%
- Broadband %91.2%
- Vacant %5.2%
- Median Year Built1988
Visual comparison (same scale)
Median Home Value
$563k$388k
Median Rent
—$1,475
Owner Occupied %
97.5%90.5%
Broadband %
56.3%91.2%
Vacant %
31.3%5.2%
Median Year Built
19781988
Climate & Location
ZIP 20621
MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)100 ft
- Nearest Airport21.3 miles (34.3 km)
- Distance to Coast1.5 miles (2.4 km)
ZIP 20659
Mechanicsville CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)100 ft
- Nearest Airport19.6 miles (31.6 km)
- Distance to Coast4.7 miles (7.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
100 ft100 ft
Nearest Airport
21.3 miles (34.3 km)19.6 miles (31.6 km)
Distance to Coast
1.5 miles (2.4 km)4.7 miles (7.5 km)
Infrastructure
ZIP 20659
Mechanicsville CDP, MD
View full profile →- Work From Home %14.5%
- Walkability (0–100)26
- Broadband %91.2%
Visual comparison (same scale)
Work From Home %
8.1%14.5%
Walkability (0–100)
2026
Broadband %
56.3%91.2%
Frequently Asked Questions
How do ZIP 20621 and 20659 compare?
ZIP 20621 is higher home values. ZIP 20659 is wealthier, 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 (20621), orange the second (20659). 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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