94506 vs 94552 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 94506, Orange = ZIP 94552.
Quick verdict: ZIP 94506 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 94552 is more affordable rent, more diverse.
Quick Facts
ZIP 94506
Blackhawk CDP, CA
View full profile →- Population27,261
- Median Income$250,001
- Median Home Value$1790k
- Median Rent$3,501
- Median Age45.9 yrs
- Poverty Rate4.5%
ZIP 94552
Castro Valley CDP, CA
View full profile →- Population14,359
- Median Income$205,170
- Median Home Value$1286k
- Median Rent$2,886
- Median Age48.6 yrs
- Poverty Rate6.5%
Visual comparison (same scale)
Population
27,26114,359
Median Income
$250,001$205,170
Median Home Value
$1790k$1286k
Median Rent
$3,501$2,886
Median Age
45.9 yrs48.6 yrs
Poverty Rate
4.5%6.5%
Demographics
ZIP 94506
Blackhawk CDP, CA
View full profile →- White %52.1%
- Black %3.4%
- Asian %33.8%
- Hispanic %6.3%
- Age 0–17 %24.9%
- Age 18–64 %55.2%
- Age 65+ %19.9%
- Bachelor's+ %74.9%
- Diversity Index61/100
ZIP 94552
Castro Valley CDP, CA
View full profile →- White %40.9%
- Black %2.1%
- Asian %44.2%
- Hispanic %11.4%
- Age 0–17 %20.7%
- Age 18–64 %59.0%
- Age 65+ %20.4%
- Bachelor's+ %59.4%
- Diversity Index62/100
Visual comparison (same scale)
White %
52.1%40.9%
Black %
3.4%2.1%
Asian %
33.8%44.2%
Hispanic %
6.3%11.4%
Age 0–17 %
24.9%20.7%
Age 18–64 %
55.2%59.0%
Age 65+ %
19.9%20.4%
Bachelor's+ %
74.9%59.4%
Diversity Index
61/10062/100
Economy
ZIP 94506
Blackhawk CDP, CA
View full profile →- Median Income$250,001
- Unemployment %3.8%
- IRS Net Migration+1,342
- Work From Home %35.6%
ZIP 94552
Castro Valley CDP, CA
View full profile →- Median Income$205,170
- Unemployment %3.9%
- IRS Net Migration+707
- Work From Home %20.6%
Visual comparison (same scale)
Median Income
$250,001$205,170
Unemployment %
3.8%3.9%
IRS Net Migration
+1,342+707
Work From Home %
35.6%20.6%
Housing
ZIP 94506
Blackhawk CDP, CA
View full profile →- Median Home Value$1790k
- Median Rent$3,501
- Owner Occupied %88.8%
- Broadband %99.3%
- Vacant %1.3%
- Median Year Built1994
ZIP 94552
Castro Valley CDP, CA
View full profile →- Median Home Value$1286k
- Median Rent$2,886
- Owner Occupied %93.4%
- Broadband %98.1%
- Vacant %1.2%
- Median Year Built1988
Visual comparison (same scale)
Median Home Value
$1790k$1286k
Median Rent
$3,501$2,886
Owner Occupied %
88.8%93.4%
Broadband %
99.3%98.1%
Vacant %
1.3%1.2%
Median Year Built
19941988
Climate & Location
ZIP 94506
Blackhawk CDP, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,170 ft
- Nearest Airport14.7 miles (23.7 km)
- Distance to Coast15.3 miles (24.6 km)
ZIP 94552
Castro Valley CDP, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)43 ft
- Nearest Airport10.9 miles (17.6 km)
- Distance to Coast8.7 miles (14.0 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
2,170 ft43 ft
Nearest Airport
14.7 miles (23.7 km)10.9 miles (17.6 km)
Distance to Coast
15.3 miles (24.6 km)8.7 miles (14.0 km)
Infrastructure
ZIP 94506
Blackhawk CDP, CA
View full profile →- Work From Home %35.6%
- Walkability (0–100)33
- Broadband %99.3%
ZIP 94552
Castro Valley CDP, CA
View full profile →- Work From Home %20.6%
- Walkability (0–100)37
- Broadband %98.1%
Visual comparison (same scale)
Work From Home %
35.6%20.6%
Walkability (0–100)
3337
Broadband %
99.3%98.1%
Frequently Asked Questions
How do ZIP 94506 and 94552 compare?
ZIP 94506 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 94552 is more affordable rent, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (94506), orange the second (94552). 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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