ZIP Code 90740 — Seal Beach city, CA Demographics & Data

ZIP code 90740 covers Seal Beach, CA in Orange County with a population of about 24,382.

At a glance, the area shows median age of 61.4 versus a U.S. median of about 38.9.

It sits in telephone area code 562; U.S. House district CA-47; the LOS ANGELES media market.

Seal Beach, CA matches a tourism / travel destination profile (tourism/destination place names). Search demand here often clusters around weather, landmarks, short stays, and local services — the live 7-day forecast on this page is especially useful for trip planning.

Median household income in ZIP 90740 is about $82,427 — about 10% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.5%; unemployment rate near 5.1%; 51.0% of adults with a bachelor’s degree or higher (about 17.3 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Education, and Professional services; about 23.5% of workers reporting work-from-home (about 8.3 points above 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 $488,400 — about 40% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $2,367 (about 104% above the U.S. median rent ($1,163)), and owner-occupancy near 76.3% (about 10.9 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 90740 in Seal Beach, CA, a household would need roughly $134,000 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 $3,137. That is about 63% above the local median household income ($82,427), 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 Seal Beach 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 Seal Beach city, CA show little to no average snow and around 12.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,200 for ZIP 90740 (Seal Beach 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.