21157 vs 21102 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21157, Orange = ZIP 21102.
Quick verdict: ZIP 21157 is higher home values, more affordable rent, more diverse, more educated, higher work-from-home share. ZIP 21102 is wealthier, lower poverty rate, lower unemployment.
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 21102
Manchester town, MD
View full profile →- Population12,176
- Median Income$119,535
- Median Home Value$375k
- Median Rent$1,248
- Median Age45.0 yrs
- Poverty Rate4.1%
Visual comparison (same scale)
Population
40,19112,176
Median Income
$102,835$119,535
Median Home Value
$394k$375k
Median Rent
$1,111$1,248
Median Age
41.8 yrs45.0 yrs
Poverty Rate
7.5%4.1%
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 21102
Manchester town, MD
View full profile →- White %91.5%
- Black %2.2%
- Asian %2.1%
- Hispanic %2.4%
- Age 0–17 %20.1%
- Age 18–64 %60.8%
- Age 65+ %19.1%
- Bachelor's+ %32.1%
- Diversity Index16/100
Visual comparison (same scale)
White %
87.4%91.5%
Black %
3.8%2.2%
Asian %
0.9%2.1%
Hispanic %
6.2%2.4%
Age 0–17 %
20.3%20.1%
Age 18–64 %
61.1%60.8%
Age 65+ %
18.6%19.1%
Bachelor's+ %
37.2%32.1%
Diversity Index
23/10016/100
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 21102
Manchester town, MD
View full profile →- Median Income$119,535
- Unemployment %1.9%
- IRS Net Migration+715
- Work From Home %12.3%
Visual comparison (same scale)
Median Income
$102,835$119,535
Unemployment %
3.1%1.9%
IRS Net Migration
+2,361+715
Work From Home %
15.2%12.3%
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 21102
Manchester town, MD
View full profile →- Median Home Value$375k
- Median Rent$1,248
- Owner Occupied %88.9%
- Broadband %92.1%
- Vacant %1.4%
- Median Year Built1983
Visual comparison (same scale)
Median Home Value
$394k$375k
Median Rent
$1,111$1,248
Owner Occupied %
75.9%88.9%
Broadband %
87.9%92.1%
Vacant %
5.3%1.4%
Median Year Built
19781983
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 21102
Manchester town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)860 ft
- Nearest Airport33.9 miles (54.6 km)
- Distance to Coast29.9 miles (48.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
860 ft860 ft
Nearest Airport
30.8 miles (49.6 km)33.9 miles (54.6 km)
Distance to Coast
25.7 miles (41.4 km)29.9 miles (48.2 km)
Infrastructure
ZIP 21157
Westminster city, MD
View full profile →- Work From Home %15.2%
- Walkability (0–100)36
- Broadband %87.9%
ZIP 21102
Manchester town, MD
View full profile →- Work From Home %12.3%
- Walkability (0–100)27
- Broadband %92.1%
Visual comparison (same scale)
Work From Home %
15.2%12.3%
Walkability (0–100)
3627
Broadband %
87.9%92.1%
Frequently Asked Questions
How do ZIP 21157 and 21102 compare?
ZIP 21157 is higher home values, more affordable rent, more diverse, more educated, higher work-from-home share. ZIP 21102 is wealthier, lower poverty rate, lower unemployment.
What do the blue and orange colors mean?
Blue represents the first ZIP (21157), orange the second (21102). 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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