91803 vs 91770 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 91803, Orange = ZIP 91770.
Quick verdict: ZIP 91803 is wealthier, higher home values, lower unemployment, more diverse, more educated, higher work-from-home share. ZIP 91770 is more affordable rent, lower poverty rate.
Quick Facts
ZIP 91803
Alhambra city, CA
View full profile →- Population27,803
- Median Income$84,537
- Median Home Value$832k
- Median Rent$1,696
- Median Age42.2 yrs
- Poverty Rate13.7%
ZIP 91770
Rosemead city, CA
View full profile →- Population58,893
- Median Income$73,757
- Median Home Value$713k
- Median Rent$1,633
- Median Age44.6 yrs
- Poverty Rate12.8%
Visual comparison (same scale)
Population
27,80358,893
Median Income
$84,537$73,757
Median Home Value
$832k$713k
Median Rent
$1,696$1,633
Median Age
42.2 yrs44.6 yrs
Poverty Rate
13.7%12.8%
Demographics
ZIP 91803
Alhambra city, CA
View full profile →- White %14.2%
- Black %1.8%
- Asian %50.6%
- Hispanic %39.3%
- Age 0–17 %18.1%
- Age 18–64 %62.7%
- Age 65+ %19.2%
- Bachelor's+ %36.6%
- Diversity Index57/100
ZIP 91770
Rosemead city, CA
View full profile →- White %8.0%
- Black %0.7%
- Asian %65.5%
- Hispanic %28.5%
- Age 0–17 %17.7%
- Age 18–64 %62.2%
- Age 65+ %20.2%
- Bachelor's+ %23.1%
- Diversity Index48/100
Visual comparison (same scale)
White %
14.2%8.0%
Black %
1.8%0.7%
Asian %
50.6%65.5%
Hispanic %
39.3%28.5%
Age 0–17 %
18.1%17.7%
Age 18–64 %
62.7%62.2%
Age 65+ %
19.2%20.2%
Bachelor's+ %
36.6%23.1%
Diversity Index
57/10048/100
Economy
ZIP 91803
Alhambra city, CA
View full profile →- Median Income$84,537
- Unemployment %4.8%
- IRS Net Migration+1,368
- Work From Home %12.0%
ZIP 91770
Rosemead city, CA
View full profile →- Median Income$73,757
- Unemployment %4.9%
- IRS Net Migration+2,898
- Work From Home %8.5%
Visual comparison (same scale)
Median Income
$84,537$73,757
Unemployment %
4.8%4.9%
IRS Net Migration
+1,368+2,898
Work From Home %
12.0%8.5%
Housing
ZIP 91803
Alhambra city, CA
View full profile →- Median Home Value$832k
- Median Rent$1,696
- Owner Occupied %50.9%
- Broadband %92.2%
- Vacant %5.3%
- Median Year Built1953
ZIP 91770
Rosemead city, CA
View full profile →- Median Home Value$713k
- Median Rent$1,633
- Owner Occupied %51.1%
- Broadband %89.8%
- Vacant %5.5%
- Median Year Built1959
Visual comparison (same scale)
Median Home Value
$832k$713k
Median Rent
$1,696$1,633
Owner Occupied %
50.9%51.1%
Broadband %
92.2%89.8%
Vacant %
5.3%5.5%
Median Year Built
19531959
Climate & Location
ZIP 91803
Alhambra city, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)363 ft
- Nearest Airport15.0 miles (24.2 km)
- Distance to Coast15.1 miles (24.3 km)
ZIP 91770
Rosemead city, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)363 ft
- Nearest Airport17.4 miles (28.0 km)
- Distance to Coast18.4 miles (29.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
363 ft363 ft
Nearest Airport
15.0 miles (24.2 km)17.4 miles (28.0 km)
Distance to Coast
15.1 miles (24.3 km)18.4 miles (29.5 km)
Infrastructure
ZIP 91803
Alhambra city, CA
View full profile →- Work From Home %12.0%
- Walkability (0–100)74
- Broadband %92.2%
ZIP 91770
Rosemead city, CA
View full profile →- Work From Home %8.5%
- Walkability (0–100)68
- Broadband %89.8%
Visual comparison (same scale)
Work From Home %
12.0%8.5%
Walkability (0–100)
7468
Broadband %
92.2%89.8%
Frequently Asked Questions
How do ZIP 91803 and 91770 compare?
ZIP 91803 is wealthier, higher home values, lower unemployment, more diverse, more educated, higher work-from-home share. ZIP 91770 is more affordable rent, lower poverty rate.
What do the blue and orange colors mean?
Blue represents the first ZIP (91803), orange the second (91770). 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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