ZIP Code 92821 — Brea city, CA Demographics & Data

ZIP code 92821 covers Brea, CA in Orange County with a population of about 42,196.

At a glance, the area shows median age of 39.7 (near the U.S. median).

It sits in telephone area codes 657, 714; U.S. House district CA-45; the LOS ANGELES media market.

Median household income in ZIP 92821 is about $116,660 — about 55% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 6.2%; unemployment rate near 5.6%; 48.7% of adults with a bachelor’s degree or higher (about 15.0 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Manufacturing, and Education; about 12.2% of workers reporting work-from-home (about 3.0 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 $851,800 — about 145% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $2,110 (about 81% above the U.S. median rent ($1,163)), and owner-occupancy near 58.0% (about 7.4 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 92821 in Brea, CA, a household would need roughly $235,000 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 $5,472. That is about 101% above the local median household income ($116,660), 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.

FEMA’s National Risk Index rates natural-hazard risk for Brea city, CA as Very High (composite score 99.8), which is among the highest nationally. The strongest component scores on US5 are flood (99.8) and wildfire (99.8). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Brea city, CA show little to no average snow and around 13.5 inches of annual precipitation.

IRS migration statistics show a net inflow of about 2,077 for ZIP 92821 (Brea city, CA) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.