94583 vs 94546 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 94583, Orange = ZIP 94546.
Quick verdict: ZIP 94583 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share. ZIP 94546 is more affordable rent, lower unemployment, more diverse.
Quick Facts
ZIP 94583
San Ramon city, CA
View full profile →- Population39,418
- Median Income$184,033
- Median Home Value$1234k
- Median Rent$2,738
- Median Age40.6 yrs
- Poverty Rate3.1%
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
39,41845,848
Median Income
$184,033$125,780
Median Home Value
$1234k$976k
Median Rent
$2,738$2,317
Median Age
40.6 yrs42.1 yrs
Poverty Rate
3.1%7.4%
Demographics
ZIP 94583
San Ramon city, CA
View full profile →- White %48.1%
- Black %1.8%
- Asian %37.0%
- Hispanic %10.8%
- Age 0–17 %25.7%
- Age 18–64 %60.3%
- Age 65+ %14.0%
- Bachelor's+ %64.1%
- Diversity Index62/100
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 %
48.1%40.1%
Black %
1.8%8.2%
Asian %
37.0%31.6%
Hispanic %
10.8%20.3%
Age 0–17 %
25.7%21.1%
Age 18–64 %
60.3%60.7%
Age 65+ %
14.0%18.2%
Bachelor's+ %
64.1%41.4%
Diversity Index
62/10069/100
Economy
ZIP 94583
San Ramon city, CA
View full profile →- Median Income$184,033
- Unemployment %5.1%
- IRS Net Migration+1,940
- Work From Home %28.4%
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
$184,033$125,780
Unemployment %
5.1%3.7%
IRS Net Migration
+1,940+2,256
Work From Home %
28.4%18.9%
Housing
ZIP 94583
San Ramon city, CA
View full profile →- Median Home Value$1234k
- Median Rent$2,738
- Owner Occupied %71.7%
- Broadband %96.0%
- Vacant %3.0%
- Median Year Built1981
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
$1234k$976k
Median Rent
$2,738$2,317
Owner Occupied %
71.7%65.8%
Broadband %
96.0%95.5%
Vacant %
3.0%2.9%
Median Year Built
19811960
Climate & Location
ZIP 94583
San Ramon city, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,170 ft
- Nearest Airport13.8 miles (22.2 km)
- Distance to Coast12.2 miles (19.6 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)
2,170 ft43 ft
Nearest Airport
13.8 miles (22.2 km)7.6 miles (12.2 km)
Distance to Coast
12.2 miles (19.6 km)5.8 miles (9.3 km)
Infrastructure
ZIP 94583
San Ramon city, CA
View full profile →- Work From Home %28.4%
- Walkability (0–100)51
- Broadband %96.0%
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 %
28.4%18.9%
Walkability (0–100)
5168
Broadband %
96.0%95.5%
Frequently Asked Questions
How do ZIP 94583 and 94546 compare?
ZIP 94583 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share. ZIP 94546 is more affordable rent, lower unemployment, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (94583), 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).
Continue exploring