ZIP Code 91104 — Pasadena, California
📍 ZIP code 91104 is in Pasadena, Los Angeles County, California.
ZIP code 91104 is located in Pasadena, Los Angeles County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 35,918. The area code for zip code 91104 is 626.
ZIP Code 91104 Map
Coordinates: 34.1654°N, 118.1238°W
ZIP Code 91104 Demographics
Population
Income & Economy
Housing
Education
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
Affordability & Profile: ZIP 91104 in Context
The median home in 91104 is valued at $955,400 against a median household income of $93,856, a price-to-income ratio of 10.2. That is far above the 6.7 median across the 1,558 California ZIP codes with published housing data, and well past the 3.0 ratio that marks an attainable market nationally, which means a household earning the local median income cannot finance the local median home on conventional terms. Within Los Angeles County, 91104 ranks 177 of 275 ZIPs on affordability (1 = lowest ratio); the county median ratio is 9.2. Renting takes 24.2% of median household income (median rent $1,892 a month), under the 30% cost-burden threshold.
91104 ranks 664 of 1,558 statewide on median household income and 350 of 1,558 on median home value; its income is above the $87,339 Los Angeles County median. 54% of households own their home, below the 64% statewide ZIP median, making this a majority-owner ZIP. 49% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 12.1%, above the 10.8% statewide ZIP median. Unemployment stands at 4.8%.
With 9,452 residents per square mile across 3.8 square miles of land, 91104 is far denser than the statewide ZIP median of 1,120 (rank 176 of 1,558). This is a mixed urban fabric of apartments, small-lot houses and commercial corridors.
Ratios and ranks are computed from the ACS figures above across the 1,558 California ZIP codes with published housing data. See the 2026 California affordability report for the statewide analysis and the methodology for definitions.
Nearby Zip Codes
Cities & Places Served
ZIP code 91104 primarily serves Pasadena in Los Angeles County, California.