21046 vs 21045 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21046, Orange = ZIP 21045.
Quick verdict: ZIP 21046 is wealthier, higher home values, lower unemployment, more educated. ZIP 21045 is more affordable rent, lower poverty rate, more diverse, higher work-from-home share.
Quick Facts
ZIP 21046
Columbia CDP, MD
View full profile →- Population15,433
- Median Income$126,549
- Median Home Value$469k
- Median Rent$1,928
- Median Age37.5 yrs
- Poverty Rate8.4%
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%
Visual comparison (same scale)
Population
15,43340,866
Median Income
$126,549$117,323
Median Home Value
$469k$439k
Median Rent
$1,928$1,592
Median Age
37.5 yrs38.4 yrs
Poverty Rate
8.4%8.4%
Demographics
ZIP 21046
Columbia CDP, MD
View full profile →- White %51.3%
- Black %31.3%
- Asian %6.9%
- Hispanic %6.1%
- Age 0–17 %20.7%
- Age 18–64 %67.1%
- Age 65+ %12.2%
- Bachelor's+ %62.0%
- Diversity Index63/100
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
Visual comparison (same scale)
White %
51.3%45.0%
Black %
31.3%32.5%
Asian %
6.9%8.7%
Hispanic %
6.1%11.1%
Age 0–17 %
20.7%22.5%
Age 18–64 %
67.1%59.7%
Age 65+ %
12.2%17.8%
Bachelor's+ %
62.0%57.4%
Diversity Index
63/10067/100
Economy
ZIP 21046
Columbia CDP, MD
View full profile →- Median Income$126,549
- Unemployment %3.2%
- IRS Net Migration+907
- Work From Home %17.0%
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%
Visual comparison (same scale)
Median Income
$126,549$117,323
Unemployment %
3.2%5.7%
IRS Net Migration
+907+2,401
Work From Home %
17.0%23.1%
Housing
ZIP 21046
Columbia CDP, MD
View full profile →- Median Home Value$469k
- Median Rent$1,928
- Owner Occupied %62.7%
- Broadband %98.7%
- Vacant %4.1%
- Median Year Built1984
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
Visual comparison (same scale)
Median Home Value
$469k$439k
Median Rent
$1,928$1,592
Owner Occupied %
62.7%69.0%
Broadband %
98.7%95.2%
Vacant %
4.1%2.9%
Median Year Built
19841979
Climate & Location
ZIP 21046
Columbia CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)400 ft
- Nearest Airport7.5 miles (12.1 km)
- Distance to Coast10.8 miles (17.3 km)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
400 ft156 ft
Nearest Airport
7.5 miles (12.1 km)8.8 miles (14.2 km)
Distance to Coast
10.8 miles (17.3 km)9.4 miles (15.1 km)
Infrastructure
ZIP 21046
Columbia CDP, MD
View full profile →- Work From Home %17.0%
- Walkability (0–100)62
- Broadband %98.7%
ZIP 21045
Columbia CDP, MD
View full profile →- Work From Home %23.1%
- Walkability (0–100)73
- Broadband %95.2%
Visual comparison (same scale)
Work From Home %
17.0%23.1%
Walkability (0–100)
6273
Broadband %
98.7%95.2%
Frequently Asked Questions
How do ZIP 21046 and 21045 compare?
ZIP 21046 is wealthier, higher home values, lower unemployment, more educated. ZIP 21045 is more affordable rent, lower poverty rate, more diverse, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21046), orange the second (21045). 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