94578 vs 94546 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 94578, Orange = ZIP 94546.
Quick verdict: ZIP 94578 is more affordable rent, more diverse. ZIP 94546 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 94578
San Leandro city, CA
View full profile →- Population41,567
- Median Income$89,149
- Median Home Value$794k
- Median Rent$1,958
- Median Age37.7 yrs
- Poverty Rate12.8%
ZIP 94546
Castro Valley CDP, CA
View full profile →- Population45,848
- Median Income$125,780
- Median Home Value$976k
- Median Rent$2,317
- Median Age42.1 yrs
- Poverty Rate7.4%
Visual comparison (same scale)
Population
41,56745,848
Median Income
$89,149$125,780
Median Home Value
$794k$976k
Median Rent
$1,958$2,317
Median Age
37.7 yrs42.1 yrs
Poverty Rate
12.8%7.4%
Demographics
ZIP 94578
San Leandro city, CA
View full profile →- White %19.4%
- Black %18.4%
- Asian %26.4%
- Hispanic %35.0%
- Age 0–17 %20.7%
- Age 18–64 %65.6%
- Age 65+ %13.6%
- Bachelor's+ %25.4%
- Diversity Index74/100
ZIP 94546
Castro Valley CDP, CA
View full profile →- White %40.1%
- Black %8.2%
- Asian %31.6%
- Hispanic %20.3%
- Age 0–17 %21.1%
- Age 18–64 %60.7%
- Age 65+ %18.2%
- Bachelor's+ %41.4%
- Diversity Index69/100
Visual comparison (same scale)
White %
19.4%40.1%
Black %
18.4%8.2%
Asian %
26.4%31.6%
Hispanic %
35.0%20.3%
Age 0–17 %
20.7%21.1%
Age 18–64 %
65.6%60.7%
Age 65+ %
13.6%18.2%
Bachelor's+ %
25.4%41.4%
Diversity Index
74/10069/100
Economy
ZIP 94578
San Leandro city, CA
View full profile →- Median Income$89,149
- Unemployment %6.5%
- IRS Net Migration+2,046
- Work From Home %8.0%
ZIP 94546
Castro Valley CDP, CA
View full profile →- Median Income$125,780
- Unemployment %3.7%
- IRS Net Migration+2,256
- Work From Home %18.9%
Visual comparison (same scale)
Median Income
$89,149$125,780
Unemployment %
6.5%3.7%
IRS Net Migration
+2,046+2,256
Work From Home %
8.0%18.9%
Housing
ZIP 94578
San Leandro city, CA
View full profile →- Median Home Value$794k
- Median Rent$1,958
- Owner Occupied %41.2%
- Broadband %93.5%
- Vacant %5.1%
- Median Year Built1965
ZIP 94546
Castro Valley CDP, CA
View full profile →- Median Home Value$976k
- Median Rent$2,317
- Owner Occupied %65.8%
- Broadband %95.5%
- Vacant %2.9%
- Median Year Built1960
Visual comparison (same scale)
Median Home Value
$794k$976k
Median Rent
$1,958$2,317
Owner Occupied %
41.2%65.8%
Broadband %
93.5%95.5%
Vacant %
5.1%2.9%
Median Year Built
19651960
Climate & Location
ZIP 94578
San Leandro city, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)43 ft
- Nearest Airport5.3 miles (8.6 km)
- Distance to Coast3.3 miles (5.3 km)
ZIP 94546
Castro Valley CDP, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)43 ft
- Nearest Airport7.6 miles (12.2 km)
- Distance to Coast5.8 miles (9.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
43 ft43 ft
Nearest Airport
5.3 miles (8.6 km)7.6 miles (12.2 km)
Distance to Coast
3.3 miles (5.3 km)5.8 miles (9.3 km)
Infrastructure
ZIP 94578
San Leandro city, CA
View full profile →- Work From Home %8.0%
- Walkability (0–100)69
- Broadband %93.5%
ZIP 94546
Castro Valley CDP, CA
View full profile →- Work From Home %18.9%
- Walkability (0–100)68
- Broadband %95.5%
Visual comparison (same scale)
Work From Home %
8.0%18.9%
Walkability (0–100)
6968
Broadband %
93.5%95.5%
Frequently Asked Questions
How do ZIP 94578 and 94546 compare?
ZIP 94578 is more affordable rent, more diverse. ZIP 94546 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (94578), orange the second (94546). 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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