ZIP Code 99336 — Kennewick city, WA Demographics & Data

ZIP code 99336 covers Kennewick, WA in Benton County with a population of about 51,180.

At a glance, the area shows median age of 34.2 versus a U.S. median of about 38.9.

It sits in telephone area code 509; U.S. House district WA-4; the YAKIMA - PASCO - RCHLND - KNNWCK media market.

Kennewick, WA sits in a university / college context (near pacific northwest christian college (0.7 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Median household income in ZIP 99336 is about $63,308 — about 16% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 17.1%; unemployment rate near 5.5%; 21.3% of adults with a bachelor’s degree or higher (about 12.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Retail trade, and Food services; about 6.4% of workers reporting work-from-home (about 8.8 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 $292,300 — about 16% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,038 (about 11% below the U.S. median rent ($1,163)), and owner-occupancy near 49.4% (about 16.1 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 99336 in Kennewick, WA, a household would need roughly $80,000 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 $1,878. That is about 26% above the local median household income ($63,308), 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 Kennewick city, WA as Relatively Moderate (composite score 87.1), which is elevated versus much of the country. The strongest component scores on US5 are wildfire (96.7) and flood (89.7). 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 Kennewick city, WA show little to no average snow and around 7.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 2,749 for ZIP 99336 (Kennewick city, WA) 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.