21045 vs 21029 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21045, Orange = ZIP 21029.
Quick verdict: ZIP 21045 is more affordable rent, more diverse, higher work-from-home share. ZIP 21029 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated.
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 21029
Columbia CDP, MD
View full profile →- Population13,783
- Median Income$250,001
- Median Home Value$905k
- Median Rent$3,501
- Median Age43.2 yrs
- Poverty Rate1.2%
Visual comparison (same scale)
Population
40,86613,783
Median Income
$117,323$250,001
Median Home Value
$439k$905k
Median Rent
$1,592$3,501
Median Age
38.4 yrs43.2 yrs
Poverty Rate
8.4%1.2%
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 21029
Columbia CDP, MD
View full profile →- White %43.4%
- Black %8.0%
- Asian %40.9%
- Hispanic %4.9%
- Age 0–17 %27.9%
- Age 18–64 %59.9%
- Age 65+ %12.2%
- Bachelor's+ %81.8%
- Diversity Index63/100
Visual comparison (same scale)
White %
45.0%43.4%
Black %
32.5%8.0%
Asian %
8.7%40.9%
Hispanic %
11.1%4.9%
Age 0–17 %
22.5%27.9%
Age 18–64 %
59.7%59.9%
Age 65+ %
17.8%12.2%
Bachelor's+ %
57.4%81.8%
Diversity Index
67/10063/100
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 21029
Columbia CDP, MD
View full profile →- Median Income$250,001
- Unemployment %2.5%
- IRS Net Migration+810
- Work From Home %21.4%
Visual comparison (same scale)
Median Income
$117,323$250,001
Unemployment %
5.7%2.5%
IRS Net Migration
+2,401+810
Work From Home %
23.1%21.4%
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 21029
Columbia CDP, MD
View full profile →- Median Home Value$905k
- Median Rent$3,501
- Owner Occupied %91.7%
- Broadband %98.9%
- Vacant %2.0%
- Median Year Built1998
Visual comparison (same scale)
Median Home Value
$439k$905k
Median Rent
$1,592$3,501
Owner Occupied %
69.0%91.7%
Broadband %
95.2%98.9%
Vacant %
2.9%2.0%
Median Year Built
19791998
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 21029
Columbia CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)400 ft
- Nearest Airport13.9 miles (22.4 km)
- Distance to Coast16.3 miles (26.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
156 ft400 ft
Nearest Airport
8.8 miles (14.2 km)13.9 miles (22.4 km)
Distance to Coast
9.4 miles (15.1 km)16.3 miles (26.2 km)
Infrastructure
ZIP 21045
Columbia CDP, MD
View full profile →- Work From Home %23.1%
- Walkability (0–100)73
- Broadband %95.2%
ZIP 21029
Columbia CDP, MD
View full profile →- Work From Home %21.4%
- Walkability (0–100)39
- Broadband %98.9%
Visual comparison (same scale)
Work From Home %
23.1%21.4%
Walkability (0–100)
7339
Broadband %
95.2%98.9%
Frequently Asked Questions
How do ZIP 21045 and 21029 compare?
ZIP 21045 is more affordable rent, more diverse, higher work-from-home share. ZIP 21029 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (21045), orange the second (21029). 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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