21639 vs 21657 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21639, Orange = ZIP 21657.
Quick verdict: ZIP 21639 is more affordable rent, more diverse. ZIP 21657 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 21639
Greensboro town, MD
View full profile →- Population4,621
- Median Income$59,274
- Median Home Value$270k
- Median Rent$866
- Median Age37.3 yrs
- Poverty Rate14.3%
ZIP 21657
Queen Anne town, MD
View full profile →- Population1,533
- Median Income$106,588
- Median Home Value$354k
- Median Rent$1,375
- Median Age49.2 yrs
- Poverty Rate7.3%
Visual comparison (same scale)
Population
4,6211,533
Median Income
$59,274$106,588
Median Home Value
$270k$354k
Median Rent
$866$1,375
Median Age
37.3 yrs49.2 yrs
Poverty Rate
14.3%7.3%
Demographics
ZIP 21639
Greensboro town, MD
View full profile →- White %72.0%
- Black %8.8%
- Asian %0.0%
- Hispanic %18.7%
- Age 0–17 %28.1%
- Age 18–64 %56.7%
- Age 65+ %15.1%
- Bachelor's+ %12.2%
- Diversity Index44/100
ZIP 21657
Queen Anne town, MD
View full profile →- White %75.9%
- Black %9.0%
- Asian %0.7%
- Hispanic %12.6%
- Age 0–17 %21.8%
- Age 18–64 %47.3%
- Age 65+ %30.9%
- Bachelor's+ %21.7%
- Diversity Index40/100
Visual comparison (same scale)
White %
72.0%75.9%
Black %
8.8%9.0%
Asian %
0.0%0.7%
Hispanic %
18.7%12.6%
Age 0–17 %
28.1%21.8%
Age 18–64 %
56.7%47.3%
Age 65+ %
15.1%30.9%
Bachelor's+ %
12.2%21.7%
Diversity Index
44/10040/100
Economy
ZIP 21639
Greensboro town, MD
View full profile →- Median Income$59,274
- Unemployment %3.0%
- IRS Net Migration+271
- Work From Home %3.7%
ZIP 21657
Queen Anne town, MD
View full profile →- Median Income$106,588
- Unemployment %1.7%
- IRS Net Migration+90
- Work From Home %6.8%
Visual comparison (same scale)
Median Income
$59,274$106,588
Unemployment %
3.0%1.7%
IRS Net Migration
+271+90
Work From Home %
3.7%6.8%
Housing
ZIP 21639
Greensboro town, MD
View full profile →- Median Home Value$270k
- Median Rent$866
- Owner Occupied %71.4%
- Broadband %88.4%
- Vacant %11.0%
- Median Year Built1982
ZIP 21657
Queen Anne town, MD
View full profile →- Median Home Value$354k
- Median Rent$1,375
- Owner Occupied %85.0%
- Broadband %84.1%
- Vacant %3.0%
- Median Year Built1975
Visual comparison (same scale)
Median Home Value
$270k$354k
Median Rent
$866$1,375
Owner Occupied %
71.4%85.0%
Broadband %
88.4%84.1%
Vacant %
11.0%3.0%
Median Year Built
19821975
Climate & Location
ZIP 21639
Greensboro town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)45 ft
- Nearest Airport20.7 miles (33.3 km)
- Distance to Coast1.2 miles (1.9 km)
ZIP 21657
Queen Anne town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)40 ft
- Nearest Airport30.0 miles (48.3 km)
- Distance to Coast3.9 miles (6.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
45 ft40 ft
Nearest Airport
20.7 miles (33.3 km)30.0 miles (48.3 km)
Distance to Coast
1.2 miles (1.9 km)3.9 miles (6.2 km)
Infrastructure
ZIP 21639
Greensboro town, MD
View full profile →- Work From Home %3.7%
- Walkability (0–100)26
- Broadband %88.4%
ZIP 21657
Queen Anne town, MD
View full profile →- Work From Home %6.8%
- Walkability (0–100)26
- Broadband %84.1%
Visual comparison (same scale)
Work From Home %
3.7%6.8%
Walkability (0–100)
2626
Broadband %
88.4%84.1%
Frequently Asked Questions
How do ZIP 21639 and 21657 compare?
ZIP 21639 is more affordable rent, more diverse. ZIP 21657 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21639), orange the second (21657). 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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