ZIP Code 84405 — Riverdale city, UT Demographics & Data

ZIP code 84405 covers Riverdale, UT in Weber County with a population of about 34,931.

At a glance, the area shows median age of 32.3 versus a U.S. median of about 38.9.

It sits in telephone area codes 385, 801; U.S. House district UT-1; the SALT LAKE CITY media market.

Median household income in ZIP 84405 is about $84,488 — about 12% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 6.8%; unemployment rate near 3.1%; 30.6% of adults with a bachelor’s degree or higher (about 3.1 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Retail trade, Healthcare, and Public administration; about 14.9% 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 $386,500 — about 11% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,153 (about even with the U.S. median rent ($1,163)), and owner-occupancy near 76.0% (about 10.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 84405 in Riverdale, UT, a household would need roughly $106,000 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 $2,483. That is about 25% above the local median household income ($84,488), 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 Riverdale city, UT as Relatively Moderate (composite score 87.0), which is elevated versus much of the country. The strongest component scores on US5 are wildfire (94.1) and flood (67.6). 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 Riverdale city, UT show little to no average snow and around 16.4 inches of annual precipitation.

IRS migration statistics show a net inflow of about 2,647 for ZIP 84405 (Riverdale city, UT) 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.