91001 vs 91104 ZIP Codes
Altadena, CA · Pasadena, CA
| Metric | 91001 | 91104 |
|---|---|---|
| City | Altadena | Pasadena |
| County | Los Angeles | Los Angeles |
| State | California | California |
| Time zone | Pacific Time | Pacific Time |
| Population | 36,126 | 36,751 |
Demographic figures come from U.S. Census Bureau / ACS data included in the source ZIP dataset; many ZIP codes have no demographic figures in that dataset.