21045 vs 95310 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21045, Orange = ZIP 95310.
Quick verdict: ZIP 21045 is wealthier, lower poverty rate, more diverse, more educated. ZIP 95310 is higher home values, more affordable rent, lower unemployment, higher work-from-home share.
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 95310
Columbia CDP, CA
View full profile →- Population1,783
- Median Income$57,639
- Median Home Value$449k
- Median Rent$863
- Median Age45.1 yrs
- Poverty Rate17.4%
Visual comparison (same scale)
Population
40,8661,783
Median Income
$117,323$57,639
Median Home Value
$439k$449k
Median Rent
$1,592$863
Median Age
38.4 yrs45.1 yrs
Poverty Rate
8.4%17.4%
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 95310
Columbia CDP, CA
View full profile →- White %87.9%
- Black %0.5%
- Asian %0.2%
- Hispanic %9.1%
- Age 0–17 %21.6%
- Age 18–64 %42.2%
- Age 65+ %36.1%
- Bachelor's+ %24.9%
- Diversity Index22/100
Visual comparison (same scale)
White %
45.0%87.9%
Black %
32.5%0.5%
Asian %
8.7%0.2%
Hispanic %
11.1%9.1%
Age 0–17 %
22.5%21.6%
Age 18–64 %
59.7%42.2%
Age 65+ %
17.8%36.1%
Bachelor's+ %
57.4%24.9%
Diversity Index
67/10022/100
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 95310
Columbia CDP, CA
View full profile →- Median Income$57,639
- Unemployment %5.2%
- IRS Net Migration+88
- Work From Home %28.5%
Visual comparison (same scale)
Median Income
$117,323$57,639
Unemployment %
5.7%5.2%
IRS Net Migration
+2,401+88
Work From Home %
23.1%28.5%
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 95310
Columbia CDP, CA
View full profile →- Median Home Value$449k
- Median Rent$863
- Owner Occupied %71.3%
- Broadband %86.2%
- Vacant %16.1%
- Median Year Built1984
Visual comparison (same scale)
Median Home Value
$439k$449k
Median Rent
$1,592$863
Owner Occupied %
69.0%71.3%
Broadband %
95.2%86.2%
Vacant %
2.9%16.1%
Median Year Built
19791984
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 95310
Columbia CDP, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)960 ft
- Nearest Airport44.7 miles (71.9 km)
- Distance to Coast49.9 miles (80.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
156 ft960 ft
Nearest Airport
8.8 miles (14.2 km)44.7 miles (71.9 km)
Distance to Coast
9.4 miles (15.1 km)49.9 miles (80.3 km)
Infrastructure
ZIP 21045
Columbia CDP, MD
View full profile →- Work From Home %23.1%
- Walkability (0–100)73
- Broadband %95.2%
ZIP 95310
Columbia CDP, CA
View full profile →- Work From Home %28.5%
- Walkability (0–100)—
- Broadband %86.2%
Visual comparison (same scale)
Work From Home %
23.1%28.5%
Walkability (0–100)
73—
Broadband %
95.2%86.2%
Frequently Asked Questions
How do ZIP 21045 and 95310 compare?
ZIP 21045 is wealthier, lower poverty rate, more diverse, more educated. ZIP 95310 is higher home values, more affordable rent, lower unemployment, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21045), orange the second (95310). 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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