91001 vs 91101 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 91001, Orange = ZIP 91101.
Quick verdict: ZIP 91001 is wealthier, higher home values, more affordable rent, lower poverty rate, more diverse, higher work-from-home share. ZIP 91101 is lower unemployment, more educated.
Quick Facts
ZIP 91001
Altadena CDP, CA
View full profile →- Population36,402
- Median Income$133,840
- Median Home Value$1085k
- Median Rent$1,980
- Median Age46.1 yrs
- Poverty Rate7.2%
ZIP 91101
Pasadena city, CA
View full profile →- Population20,814
- Median Income$94,180
- Median Home Value$687k
- Median Rent$2,170
- Median Age36.7 yrs
- Poverty Rate18.3%
Visual comparison (same scale)
Population
36,40220,814
Median Income
$133,840$94,180
Median Home Value
$1085k$687k
Median Rent
$1,980$2,170
Median Age
46.1 yrs36.7 yrs
Poverty Rate
7.2%18.3%
Demographics
ZIP 91001
Altadena CDP, CA
View full profile →- White %41.9%
- Black %20.7%
- Asian %6.0%
- Hispanic %29.4%
- Age 0–17 %19.3%
- Age 18–64 %59.7%
- Age 65+ %21.0%
- Bachelor's+ %52.1%
- Diversity Index69/100
ZIP 91101
Pasadena city, CA
View full profile →- White %44.2%
- Black %7.1%
- Asian %22.5%
- Hispanic %27.4%
- Age 0–17 %10.2%
- Age 18–64 %74.3%
- Age 65+ %15.5%
- Bachelor's+ %62.7%
- Diversity Index67/100
Visual comparison (same scale)
White %
41.9%44.2%
Black %
20.7%7.1%
Asian %
6.0%22.5%
Hispanic %
29.4%27.4%
Age 0–17 %
19.3%10.2%
Age 18–64 %
59.7%74.3%
Age 65+ %
21.0%15.5%
Bachelor's+ %
52.1%62.7%
Diversity Index
69/10067/100
Economy
ZIP 91001
Altadena CDP, CA
View full profile →- Median Income$133,840
- Unemployment %8.1%
- IRS Net Migration+1,791
- Work From Home %23.4%
ZIP 91101
Pasadena city, CA
View full profile →- Median Income$94,180
- Unemployment %4.5%
- IRS Net Migration+1,024
- Work From Home %22.9%
Visual comparison (same scale)
Median Income
$133,840$94,180
Unemployment %
8.1%4.5%
IRS Net Migration
+1,791+1,024
Work From Home %
23.4%22.9%
Housing
ZIP 91001
Altadena CDP, CA
View full profile →- Median Home Value$1085k
- Median Rent$1,980
- Owner Occupied %80.5%
- Broadband %93.6%
- Vacant %4.6%
- Median Year Built1945
ZIP 91101
Pasadena city, CA
View full profile →- Median Home Value$687k
- Median Rent$2,170
- Owner Occupied %15.4%
- Broadband %90.0%
- Vacant %8.6%
- Median Year Built1978
Visual comparison (same scale)
Median Home Value
$1085k$687k
Median Rent
$1,980$2,170
Owner Occupied %
80.5%15.4%
Broadband %
93.6%90.0%
Vacant %
4.6%8.6%
Median Year Built
19451978
Climate & Location
ZIP 91001
Altadena CDP, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)864 ft
- Nearest Airport12.6 miles (20.2 km)
- Distance to Coast19.7 miles (31.7 km)
ZIP 91101
Pasadena city, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)864 ft
- Nearest Airport13.1 miles (21.1 km)
- Distance to Coast17.6 miles (28.4 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
864 ft864 ft
Nearest Airport
12.6 miles (20.2 km)13.1 miles (21.1 km)
Distance to Coast
19.7 miles (31.7 km)17.6 miles (28.4 km)
Infrastructure
ZIP 91001
Altadena CDP, CA
View full profile →- Work From Home %23.4%
- Walkability (0–100)63
- Broadband %93.6%
ZIP 91101
Pasadena city, CA
View full profile →- Work From Home %22.9%
- Walkability (0–100)84
- Broadband %90.0%
Visual comparison (same scale)
Work From Home %
23.4%22.9%
Walkability (0–100)
6384
Broadband %
93.6%90.0%
Frequently Asked Questions
How do ZIP 91001 and 91101 compare?
ZIP 91001 is wealthier, higher home values, more affordable rent, lower poverty rate, more diverse, higher work-from-home share. ZIP 91101 is lower unemployment, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (91001), orange the second (91101). 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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