21791 vs 21757 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21791, Orange = ZIP 21757.
Quick verdict: ZIP 21791 is lower unemployment. ZIP 21757 is wealthier, higher home values, more affordable rent, lower poverty rate, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 21791
Union Bridge town, MD
View full profile →- Population4,734
- Median Income$90,460
- Median Home Value$370k
- Median Rent$1,005
- Median Age40.9 yrs
- Poverty Rate6.5%
ZIP 21757
MD
View full profile →- Population2,810
- Median Income$98,520
- Median Home Value$414k
- Median Rent$994
- Median Age42.2 yrs
- Poverty Rate1.3%
Visual comparison (same scale)
Population
4,7342,810
Median Income
$90,460$98,520
Median Home Value
$370k$414k
Median Rent
$1,005$994
Median Age
40.9 yrs42.2 yrs
Poverty Rate
6.5%1.3%
Demographics
ZIP 21791
Union Bridge town, MD
View full profile →- White %93.9%
- Black %1.8%
- Asian %2.4%
- Hispanic %1.1%
- Age 0–17 %21.8%
- Age 18–64 %58.8%
- Age 65+ %19.4%
- Bachelor's+ %26.3%
- Diversity Index12/100
ZIP 21757
MD
View full profile →- White %92.2%
- Black %1.1%
- Asian %2.0%
- Hispanic %2.0%
- Age 0–17 %20.5%
- Age 18–64 %59.9%
- Age 65+ %19.5%
- Bachelor's+ %26.9%
- Diversity Index15/100
Visual comparison (same scale)
White %
93.9%92.2%
Black %
1.8%1.1%
Asian %
2.4%2.0%
Hispanic %
1.1%2.0%
Age 0–17 %
21.8%20.5%
Age 18–64 %
58.8%59.9%
Age 65+ %
19.4%19.5%
Bachelor's+ %
26.3%26.9%
Diversity Index
12/10015/100
Economy
ZIP 21791
Union Bridge town, MD
View full profile →- Median Income$90,460
- Unemployment %2.4%
- IRS Net Migration+278
- Work From Home %8.1%
ZIP 21757
MD
View full profile →- Median Income$98,520
- Unemployment %2.9%
- IRS Net Migration+165
- Work From Home %14.1%
Visual comparison (same scale)
Median Income
$90,460$98,520
Unemployment %
2.4%2.9%
IRS Net Migration
+278+165
Work From Home %
8.1%14.1%
Housing
ZIP 21791
Union Bridge town, MD
View full profile →- Median Home Value$370k
- Median Rent$1,005
- Owner Occupied %83.6%
- Broadband %86.4%
- Vacant %5.6%
- Median Year Built1964
ZIP 21757
MD
View full profile →- Median Home Value$414k
- Median Rent$994
- Owner Occupied %82.5%
- Broadband %89.3%
- Vacant %5.4%
- Median Year Built1966
Visual comparison (same scale)
Median Home Value
$370k$414k
Median Rent
$1,005$994
Owner Occupied %
83.6%82.5%
Broadband %
86.4%89.3%
Vacant %
5.6%5.4%
Median Year Built
19641966
Climate & Location
ZIP 21791
Union Bridge town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)403 ft
- Nearest Airport31.2 miles (50.2 km)
- Distance to Coast33.5 miles (54.0 km)
ZIP 21757
MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)403 ft
- Nearest Airport26.2 miles (42.2 km)
- Distance to Coast38.9 miles (62.7 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
403 ft403 ft
Nearest Airport
31.2 miles (50.2 km)26.2 miles (42.2 km)
Distance to Coast
33.5 miles (54.0 km)38.9 miles (62.7 km)
Infrastructure
ZIP 21791
Union Bridge town, MD
View full profile →- Work From Home %8.1%
- Walkability (0–100)24
- Broadband %86.4%
Visual comparison (same scale)
Work From Home %
8.1%14.1%
Walkability (0–100)
2422
Broadband %
86.4%89.3%
Frequently Asked Questions
How do ZIP 21791 and 21757 compare?
ZIP 21791 is lower unemployment. ZIP 21757 is wealthier, higher home values, more affordable rent, 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 (21791), orange the second (21757). 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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