21155 vs 21030 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21155, Orange = ZIP 21030.
Quick verdict: ZIP 21155 is wealthier, higher home values, more affordable rent, lower poverty rate, lower unemployment, higher work-from-home share. ZIP 21030 is more diverse, more educated.
Quick Facts
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%
ZIP 21030
Cockeysville CDP, MD
View full profile →- Population25,312
- Median Income$97,875
- Median Home Value$436k
- Median Rent$1,396
- Median Age36.8 yrs
- Poverty Rate11.7%
Visual comparison (same scale)
Population
3,12425,312
Median Income
$124,219$97,875
Median Home Value
$538k$436k
Median Rent
$1,186$1,396
Median Age
37.1 yrs36.8 yrs
Poverty Rate
5.6%11.7%
Demographics
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
ZIP 21030
Cockeysville CDP, MD
View full profile →- White %57.7%
- Black %15.9%
- Asian %7.8%
- Hispanic %14.9%
- Age 0–17 %19.8%
- Age 18–64 %64.1%
- Age 65+ %16.0%
- Bachelor's+ %53.5%
- Diversity Index61/100
Visual comparison (same scale)
White %
95.0%57.7%
Black %
1.5%15.9%
Asian %
1.1%7.8%
Hispanic %
1.8%14.9%
Age 0–17 %
25.4%19.8%
Age 18–64 %
54.5%64.1%
Age 65+ %
20.1%16.0%
Bachelor's+ %
48.8%53.5%
Diversity Index
10/10061/100
Economy
ZIP 21155
MD
View full profile →- Median Income$124,219
- Unemployment %1.9%
- IRS Net Migration+184
- Work From Home %15.5%
ZIP 21030
Cockeysville CDP, MD
View full profile →- Median Income$97,875
- Unemployment %5.0%
- IRS Net Migration+1,487
- Work From Home %14.2%
Visual comparison (same scale)
Median Income
$124,219$97,875
Unemployment %
1.9%5.0%
IRS Net Migration
+184+1,487
Work From Home %
15.5%14.2%
Housing
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
ZIP 21030
Cockeysville CDP, MD
View full profile →- Median Home Value$436k
- Median Rent$1,396
- Owner Occupied %43.8%
- Broadband %95.1%
- Vacant %4.9%
- Median Year Built1978
Visual comparison (same scale)
Median Home Value
$538k$436k
Median Rent
$1,186$1,396
Owner Occupied %
82.8%43.8%
Broadband %
86.1%95.1%
Vacant %
4.6%4.9%
Median Year Built
19721978
Climate & Location
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)
ZIP 21030
Cockeysville CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)235 ft
- Nearest Airport18.1 miles (29.1 km)
- Distance to Coast15.0 miles (24.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
860 ft235 ft
Nearest Airport
27.1 miles (43.5 km)18.1 miles (29.1 km)
Distance to Coast
22.1 miles (35.5 km)15.0 miles (24.1 km)
Infrastructure
ZIP 21030
Cockeysville CDP, MD
View full profile →- Work From Home %14.2%
- Walkability (0–100)56
- Broadband %95.1%
Visual comparison (same scale)
Work From Home %
15.5%14.2%
Walkability (0–100)
2856
Broadband %
86.1%95.1%
Frequently Asked Questions
How do ZIP 21155 and 21030 compare?
ZIP 21155 is wealthier, higher home values, more affordable rent, lower poverty rate, lower unemployment, higher work-from-home share. ZIP 21030 is more diverse, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (21155), orange the second (21030). 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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