21157 vs 21155 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21157, Orange = ZIP 21155.
Quick verdict: ZIP 21157 is more affordable rent, more diverse. ZIP 21155 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 21157
Westminster city, MD
View full profile →- Population40,191
- Median Income$102,835
- Median Home Value$394k
- Median Rent$1,111
- Median Age41.8 yrs
- Poverty Rate7.5%
ZIP 21155
MD
View full profile →- Population3,124
- Median Income$124,219
- Median Home Value$538k
- Median Rent$1,186
- Median Age37.1 yrs
- Poverty Rate5.6%
Visual comparison (same scale)
Population
40,1913,124
Median Income
$102,835$124,219
Median Home Value
$394k$538k
Median Rent
$1,111$1,186
Median Age
41.8 yrs37.1 yrs
Poverty Rate
7.5%5.6%
Demographics
ZIP 21157
Westminster city, MD
View full profile →- White %87.4%
- Black %3.8%
- Asian %0.9%
- Hispanic %6.2%
- Age 0–17 %20.3%
- Age 18–64 %61.1%
- Age 65+ %18.6%
- Bachelor's+ %37.2%
- Diversity Index23/100
ZIP 21155
MD
View full profile →- White %95.0%
- Black %1.5%
- Asian %1.1%
- Hispanic %1.8%
- Age 0–17 %25.4%
- Age 18–64 %54.5%
- Age 65+ %20.1%
- Bachelor's+ %48.8%
- Diversity Index10/100
Visual comparison (same scale)
White %
87.4%95.0%
Black %
3.8%1.5%
Asian %
0.9%1.1%
Hispanic %
6.2%1.8%
Age 0–17 %
20.3%25.4%
Age 18–64 %
61.1%54.5%
Age 65+ %
18.6%20.1%
Bachelor's+ %
37.2%48.8%
Diversity Index
23/10010/100
Economy
ZIP 21157
Westminster city, MD
View full profile →- Median Income$102,835
- Unemployment %3.1%
- IRS Net Migration+2,361
- Work From Home %15.2%
ZIP 21155
MD
View full profile →- Median Income$124,219
- Unemployment %1.9%
- IRS Net Migration+184
- Work From Home %15.5%
Visual comparison (same scale)
Median Income
$102,835$124,219
Unemployment %
3.1%1.9%
IRS Net Migration
+2,361+184
Work From Home %
15.2%15.5%
Housing
ZIP 21157
Westminster city, MD
View full profile →- Median Home Value$394k
- Median Rent$1,111
- Owner Occupied %75.9%
- Broadband %87.9%
- Vacant %5.3%
- Median Year Built1978
ZIP 21155
MD
View full profile →- Median Home Value$538k
- Median Rent$1,186
- Owner Occupied %82.8%
- Broadband %86.1%
- Vacant %4.6%
- Median Year Built1972
Visual comparison (same scale)
Median Home Value
$394k$538k
Median Rent
$1,111$1,186
Owner Occupied %
75.9%82.8%
Broadband %
87.9%86.1%
Vacant %
5.3%4.6%
Median Year Built
19781972
Climate & Location
ZIP 21157
Westminster city, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)860 ft
- Nearest Airport30.8 miles (49.6 km)
- Distance to Coast25.7 miles (41.4 km)
ZIP 21155
MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)860 ft
- Nearest Airport27.1 miles (43.5 km)
- Distance to Coast22.1 miles (35.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
860 ft860 ft
Nearest Airport
30.8 miles (49.6 km)27.1 miles (43.5 km)
Distance to Coast
25.7 miles (41.4 km)22.1 miles (35.5 km)
Infrastructure
ZIP 21157
Westminster city, MD
View full profile →- Work From Home %15.2%
- Walkability (0–100)36
- Broadband %87.9%
Visual comparison (same scale)
Work From Home %
15.2%15.5%
Walkability (0–100)
3628
Broadband %
87.9%86.1%
Frequently Asked Questions
How do ZIP 21157 and 21155 compare?
ZIP 21157 is more affordable rent, more diverse. ZIP 21155 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 (21157), orange the second (21155). 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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