City ZIP codes · California
Pasadena, CA ZIP Codes
25 ZIP codes use the postal name Pasadena, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 7 residential and 18 for PO boxes or a single organization. Median household income runs from $87,813 in 91101 to $156,791 in 91105, 1.8 times as much (Census Bureau, ACS 2020-2024). Pasadena's most populous ZIP code is 91104, with 35,937 people (ACS 2020-2024); 82% of its land is in the city of Pasadena.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Pasadena's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Pasadena's ZIP codes?
The highest median household income is in 91105 ($156,791), the lowest in 91101 ($87,813). Home values run from $682,300 in 91101 to $1,671,000 in 91105.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 7 residential ZIP codes of Pasadena
| County | |||||
|---|---|---|---|---|---|
| 91104 | Los Angeles County | 35,937 | 9,530 | $106k | $1.08M |
| 91107 | Los Angeles County | 32,316 | 3,821 | $126k | $1.16M |
| 91103 | Los Angeles County | 25,142 | 5,479 | $94k | $983k |
| 91106 | Los Angeles County | 23,910 | 8,800 | $90k | $1.04M |
| 91101 | Los Angeles County | 21,165 | 16,665 | $88k | $682k |
| 91105 | Los Angeles County | 12,531 | 2,986 | $157k | $1.67M |
| 91125 | Los Angeles County | 1,000 | 5,650 | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
PO Box and single-organization ZIP codes in Pasadena
18 ZIP codes named Pasadena have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.
| ZIP | County |
|---|---|
| 91102 | Los Angeles County |
| 91109 | Los Angeles County |
| 91110 | Los Angeles County |
| 91114 | Los Angeles County |
| 91115 | Los Angeles County |
| 91116 | Los Angeles County |
| 91117 | Los Angeles County |
| 91121 | Los Angeles County |
| 91123 | Los Angeles County |
| 91124 | Los Angeles County |
| 91126 | Los Angeles County |
| 91129 | Los Angeles County |
| 91182 | Los Angeles County |
| 91184 | Los Angeles County |
| 91185 | Los Angeles County |
| 91188 | Los Angeles County |
| 91189 | Los Angeles County |
| 91199 | Los Angeles County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Pasadena's ZIP codes reach?
Pasadena's residential ZIP codes lie in Los Angeles County.
Which places do Pasadena's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Pasadena's residential ZIP codes cover Pasadena itself and 3 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Pasadena's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Pasadena starts with 911.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 911 | Santa Clarita, CA (SCF 913) | 25 | 27 |
25 of the 27 ZIP codes that start with 911 are Pasadena's, all sorted at Santa Clarita, CA (SCF 913). The other 2 are 91108 (San Marino), 91118 (San Marino, PO Box or unique).
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.