21102 vs 21784 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21102, Orange = ZIP 21784.
Quick verdict: ZIP 21102 is more affordable rent, lower unemployment. ZIP 21784 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share.
Quick Facts
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%
ZIP 21784
Eldersburg CDP, MD
View full profile →- Population37,813
- Median Income$141,228
- Median Home Value$478k
- Median Rent$1,588
- Median Age39.5 yrs
- Poverty Rate4.1%
Visual comparison (same scale)
Population
12,17637,813
Median Income
$119,535$141,228
Median Home Value
$375k$478k
Median Rent
$1,248$1,588
Median Age
45.0 yrs39.5 yrs
Poverty Rate
4.1%4.1%
Demographics
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
ZIP 21784
Eldersburg CDP, MD
View full profile →- White %81.7%
- Black %6.0%
- Asian %4.2%
- Hispanic %5.8%
- Age 0–17 %24.2%
- Age 18–64 %60.5%
- Age 65+ %15.3%
- Bachelor's+ %53.2%
- Diversity Index32/100
Visual comparison (same scale)
White %
91.5%81.7%
Black %
2.2%6.0%
Asian %
2.1%4.2%
Hispanic %
2.4%5.8%
Age 0–17 %
20.1%24.2%
Age 18–64 %
60.8%60.5%
Age 65+ %
19.1%15.3%
Bachelor's+ %
32.1%53.2%
Diversity Index
16/10032/100
Economy
ZIP 21102
Manchester town, MD
View full profile →- Median Income$119,535
- Unemployment %1.9%
- IRS Net Migration+715
- Work From Home %12.3%
ZIP 21784
Eldersburg CDP, MD
View full profile →- Median Income$141,228
- Unemployment %3.5%
- IRS Net Migration+2,222
- Work From Home %20.2%
Visual comparison (same scale)
Median Income
$119,535$141,228
Unemployment %
1.9%3.5%
IRS Net Migration
+715+2,222
Work From Home %
12.3%20.2%
Housing
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
ZIP 21784
Eldersburg CDP, MD
View full profile →- Median Home Value$478k
- Median Rent$1,588
- Owner Occupied %87.0%
- Broadband %95.7%
- Vacant %3.3%
- Median Year Built1986
Visual comparison (same scale)
Median Home Value
$375k$478k
Median Rent
$1,248$1,588
Owner Occupied %
88.9%87.0%
Broadband %
92.1%95.7%
Vacant %
1.4%3.3%
Median Year Built
19831986
Climate & Location
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)
ZIP 21784
Eldersburg CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)700 ft
- Nearest Airport22.6 miles (36.3 km)
- Distance to Coast19.1 miles (30.7 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
860 ft700 ft
Nearest Airport
33.9 miles (54.6 km)22.6 miles (36.3 km)
Distance to Coast
29.9 miles (48.2 km)19.1 miles (30.7 km)
Infrastructure
ZIP 21102
Manchester town, MD
View full profile →- Work From Home %12.3%
- Walkability (0–100)27
- Broadband %92.1%
ZIP 21784
Eldersburg CDP, MD
View full profile →- Work From Home %20.2%
- Walkability (0–100)34
- Broadband %95.7%
Visual comparison (same scale)
Work From Home %
12.3%20.2%
Walkability (0–100)
2734
Broadband %
92.1%95.7%
Frequently Asked Questions
How do ZIP 21102 and 21784 compare?
ZIP 21102 is more affordable rent, lower unemployment. ZIP 21784 is wealthier, higher home values, 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 (21102), orange the second (21784). 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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