What to know about ZIP 91778
ZIP code 91778 covers ZIP 91778 with a population of about 3,603.
At a glance, the area shows median age of 33.2 versus a U.S. median of about 38.9.
It sits in the LOS ANGELES media market.
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
ZIP code 91778 covers ZIP 91778 with a population of about 3,603.
At a glance, the area shows median age of 33.2 versus a U.S. median of about 38.9.
It sits in the LOS ANGELES media market.
Median household income in ZIP 91778 is about $81,442 — about 8% above the U.S. median ($75,149).
On socioeconomic markers, US5 shows a poverty rate of 11.5%; unemployment rate near 6.0%; 35.1% of adults with a bachelor’s degree or higher (about 1.4 points above the national share (33.7%)).
Labor and commute patterns include leading industry context around Healthcare, Food services, and Retail trade; about 9.9% of workers reporting work-from-home (about 5.3 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).
Median home value is about $677,700 — about 95% above the U.S. median home value ($348,079).
Housing tenure and rents show median gross rent around $1,823 (about 57% above the U.S. median rent ($1,163)), and owner-occupancy near 7.2% (about 58.2 points below the national owner-occupancy rate (65.4%)).
To comfortably buy a median-priced home in ZIP 91778, a household would need roughly $187,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $4,353. That is about 130% above the local median household income ($81,442), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.