21030 vs 21220 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21030, Orange = ZIP 21220.
Quick verdict: ZIP 21030 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share. ZIP 21220 is more affordable rent, lower unemployment.
Quick Facts
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%
ZIP 21220
Middle River CDP, MD
View full profile →- Population42,936
- Median Income$79,676
- Median Home Value$280k
- Median Rent$1,373
- Median Age38.0 yrs
- Poverty Rate14.3%
Visual comparison (same scale)
Population
25,31242,936
Median Income
$97,875$79,676
Median Home Value
$436k$280k
Median Rent
$1,396$1,373
Median Age
36.8 yrs38.0 yrs
Poverty Rate
11.7%14.3%
Demographics
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
ZIP 21220
Middle River CDP, MD
View full profile →- White %58.0%
- Black %27.1%
- Asian %5.1%
- Hispanic %5.7%
- Age 0–17 %23.4%
- Age 18–64 %63.7%
- Age 65+ %13.0%
- Bachelor's+ %26.4%
- Diversity Index58/100
Visual comparison (same scale)
White %
57.7%58.0%
Black %
15.9%27.1%
Asian %
7.8%5.1%
Hispanic %
14.9%5.7%
Age 0–17 %
19.8%23.4%
Age 18–64 %
64.1%63.7%
Age 65+ %
16.0%13.0%
Bachelor's+ %
53.5%26.4%
Diversity Index
61/10058/100
Economy
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%
ZIP 21220
Middle River CDP, MD
View full profile →- Median Income$79,676
- Unemployment %4.1%
- IRS Net Migration+2,523
- Work From Home %8.7%
Visual comparison (same scale)
Median Income
$97,875$79,676
Unemployment %
5.0%4.1%
IRS Net Migration
+1,487+2,523
Work From Home %
14.2%8.7%
Housing
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
ZIP 21220
Middle River CDP, MD
View full profile →- Median Home Value$280k
- Median Rent$1,373
- Owner Occupied %68.5%
- Broadband %92.8%
- Vacant %9.7%
- Median Year Built1982
Visual comparison (same scale)
Median Home Value
$436k$280k
Median Rent
$1,396$1,373
Owner Occupied %
43.8%68.5%
Broadband %
95.1%92.8%
Vacant %
4.9%9.7%
Median Year Built
19781982
Climate & Location
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)
ZIP 21220
Middle River CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)20 ft
- Nearest Airport2.0 miles (3.2 km)
- Distance to Coast1.3 miles (2.0 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
235 ft20 ft
Nearest Airport
18.1 miles (29.1 km)2.0 miles (3.2 km)
Distance to Coast
15.0 miles (24.1 km)1.3 miles (2.0 km)
Infrastructure
ZIP 21030
Cockeysville CDP, MD
View full profile →- Work From Home %14.2%
- Walkability (0–100)56
- Broadband %95.1%
ZIP 21220
Middle River CDP, MD
View full profile →- Work From Home %8.7%
- Walkability (0–100)48
- Broadband %92.8%
Visual comparison (same scale)
Work From Home %
14.2%8.7%
Walkability (0–100)
5648
Broadband %
95.1%92.8%
Frequently Asked Questions
How do ZIP 21030 and 21220 compare?
ZIP 21030 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share. ZIP 21220 is more affordable rent, lower unemployment.
What do the blue and orange colors mean?
Blue represents the first ZIP (21030), orange the second (21220). 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).
Continue exploring