21111 vs 21030 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21111, Orange = ZIP 21030.
Quick verdict: ZIP 21111 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share. ZIP 21030 is lower unemployment, more diverse.
Quick Facts
ZIP 21111
MD
View full profile →- Population4,690
- Median Income$135,781
- Median Home Value$585k
- Median Rent—
- Median Age48.6 yrs
- Poverty Rate6.7%
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
4,69025,312
Median Income
$135,781$97,875
Median Home Value
$585k$436k
Median Rent
—$1,396
Median Age
48.6 yrs36.8 yrs
Poverty Rate
6.7%11.7%
Demographics
ZIP 21111
MD
View full profile →- White %95.0%
- Black %0.9%
- Asian %0.5%
- Hispanic %1.2%
- Age 0–17 %23.4%
- Age 18–64 %53.2%
- Age 65+ %23.3%
- Bachelor's+ %64.0%
- 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 %
0.9%15.9%
Asian %
0.5%7.8%
Hispanic %
1.2%14.9%
Age 0–17 %
23.4%19.8%
Age 18–64 %
53.2%64.1%
Age 65+ %
23.3%16.0%
Bachelor's+ %
64.0%53.5%
Diversity Index
10/10061/100
Economy
ZIP 21111
MD
View full profile →- Median Income$135,781
- Unemployment %8.1%
- IRS Net Migration+276
- Work From Home %21.6%
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
$135,781$97,875
Unemployment %
8.1%5.0%
IRS Net Migration
+276+1,487
Work From Home %
21.6%14.2%
Housing
ZIP 21111
MD
View full profile →- Median Home Value$585k
- Median Rent—
- Owner Occupied %95.8%
- Broadband %99.1%
- Vacant %2.4%
- Median Year Built1982
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
$585k$436k
Median Rent
—$1,396
Owner Occupied %
95.8%43.8%
Broadband %
99.1%95.1%
Vacant %
2.4%4.9%
Median Year Built
19821978
Climate & Location
ZIP 21111
MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)860 ft
- Nearest Airport19.6 miles (31.6 km)
- Distance to Coast17.0 miles (27.4 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
19.6 miles (31.6 km)18.1 miles (29.1 km)
Distance to Coast
17.0 miles (27.4 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 %
21.6%14.2%
Walkability (0–100)
3056
Broadband %
99.1%95.1%
Frequently Asked Questions
How do ZIP 21111 and 21030 compare?
ZIP 21111 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share. ZIP 21030 is lower unemployment, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (21111), 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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