ZIP Code 94559 — Napa city, CA Demographics & Data

ZIP code 94559 covers Napa, CA in Napa County with a population of about 27,828.

At a glance, the area shows median age of 39.1 (near the U.S. median).

It sits in telephone area codes 369, 707; U.S. House district CA-4; the SAN FRANCISCO - OAK - SAN JOSE media market.

Median household income in ZIP 94559 is about $100,559 — about 34% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 8.9%; unemployment rate near 8.0%; 37.2% of adults with a bachelor’s degree or higher (about 3.5 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Food services, Manufacturing, and Healthcare; about 14.7% of workers reporting work-from-home (roughly in line with 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 $877,100 — about 152% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,919 (about 65% above the U.S. median rent ($1,163)), and owner-occupancy near 49.9% (about 15.5 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 94559 in Napa, CA, a household would need roughly $241,000 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 $5,634. That is about 140% above the local median household income ($100,559), 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 Napa city, CA as Relatively High (composite score 95.3), which is among the highest nationally. The strongest component scores on US5 are wildfire (96.0) and flood (95.8). 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 Napa city, CA show little to no average snow and around 20.2 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,369 for ZIP 94559 (Napa 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.