21045 vs 21228 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21045, Orange = ZIP 21228.
Quick verdict: ZIP 21045 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share. ZIP 21228 is more affordable rent, lower unemployment.
Quick Facts
ZIP 21045
Columbia CDP, MD
View full profile →- Population40,866
- Median Income$117,323
- Median Home Value$439k
- Median Rent$1,592
- Median Age38.4 yrs
- Poverty Rate8.4%
ZIP 21228
Catonsville CDP, MD
View full profile →- Population49,417
- Median Income$107,714
- Median Home Value$389k
- Median Rent$1,454
- Median Age43.1 yrs
- Poverty Rate9.0%
Visual comparison (same scale)
Population
40,86649,417
Median Income
$117,323$107,714
Median Home Value
$439k$389k
Median Rent
$1,592$1,454
Median Age
38.4 yrs43.1 yrs
Poverty Rate
8.4%9.0%
Demographics
ZIP 21045
Columbia CDP, MD
View full profile →- White %45.0%
- Black %32.5%
- Asian %8.7%
- Hispanic %11.1%
- Age 0–17 %22.5%
- Age 18–64 %59.7%
- Age 65+ %17.8%
- Bachelor's+ %57.4%
- Diversity Index67/100
ZIP 21228
Catonsville CDP, MD
View full profile →- White %56.9%
- Black %18.6%
- Asian %13.7%
- Hispanic %7.4%
- Age 0–17 %20.9%
- Age 18–64 %55.9%
- Age 65+ %23.2%
- Bachelor's+ %49.9%
- Diversity Index62/100
Visual comparison (same scale)
White %
45.0%56.9%
Black %
32.5%18.6%
Asian %
8.7%13.7%
Hispanic %
11.1%7.4%
Age 0–17 %
22.5%20.9%
Age 18–64 %
59.7%55.9%
Age 65+ %
17.8%23.2%
Bachelor's+ %
57.4%49.9%
Diversity Index
67/10062/100
Economy
ZIP 21045
Columbia CDP, MD
View full profile →- Median Income$117,323
- Unemployment %5.7%
- IRS Net Migration+2,401
- Work From Home %23.1%
ZIP 21228
Catonsville CDP, MD
View full profile →- Median Income$107,714
- Unemployment %4.5%
- IRS Net Migration+2,903
- Work From Home %18.9%
Visual comparison (same scale)
Median Income
$117,323$107,714
Unemployment %
5.7%4.5%
IRS Net Migration
+2,401+2,903
Work From Home %
23.1%18.9%
Housing
ZIP 21045
Columbia CDP, MD
View full profile →- Median Home Value$439k
- Median Rent$1,592
- Owner Occupied %69.0%
- Broadband %95.2%
- Vacant %2.9%
- Median Year Built1979
ZIP 21228
Catonsville CDP, MD
View full profile →- Median Home Value$389k
- Median Rent$1,454
- Owner Occupied %71.6%
- Broadband %87.5%
- Vacant %3.6%
- Median Year Built1969
Visual comparison (same scale)
Median Home Value
$439k$389k
Median Rent
$1,592$1,454
Owner Occupied %
69.0%71.6%
Broadband %
95.2%87.5%
Vacant %
2.9%3.6%
Median Year Built
19791969
Climate & Location
ZIP 21045
Columbia CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)156 ft
- Nearest Airport8.8 miles (14.2 km)
- Distance to Coast9.4 miles (15.1 km)
ZIP 21228
Catonsville CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)20 ft
- Nearest Airport8.0 miles (12.8 km)
- Distance to Coast4.9 miles (7.9 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
156 ft20 ft
Nearest Airport
8.8 miles (14.2 km)8.0 miles (12.8 km)
Distance to Coast
9.4 miles (15.1 km)4.9 miles (7.9 km)
Infrastructure
ZIP 21045
Columbia CDP, MD
View full profile →- Work From Home %23.1%
- Walkability (0–100)73
- Broadband %95.2%
ZIP 21228
Catonsville CDP, MD
View full profile →- Work From Home %18.9%
- Walkability (0–100)59
- Broadband %87.5%
Visual comparison (same scale)
Work From Home %
23.1%18.9%
Walkability (0–100)
7359
Broadband %
95.2%87.5%
Frequently Asked Questions
How do ZIP 21045 and 21228 compare?
ZIP 21045 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share. ZIP 21228 is more affordable rent, lower unemployment.
What do the blue and orange colors mean?
Blue represents the first ZIP (21045), orange the second (21228). 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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