ZIP Code 58531 — Riverdale city, ND Demographics & Data

ZIP code 58531 covers Riverdale, ND in McLean County with a population of about 328.

At a glance, the area shows median age of 65.9 versus a U.S. median of about 38.9.

It sits in telephone area code 701; U.S. House district ND-00; the MINOT - BISMARCK - DICKINSON media market.

Riverdale, ND fits a retirement-oriented profile (high share of residents 65+ (54.0%)). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.

Median household income in ZIP 58531 is about $67,067 — about 11% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 6.1%; unemployment rate near 5.0%; 24.2% of adults with a bachelor’s degree or higher (about 9.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Wholesale trade, and Education; about 25.0% of workers reporting work-from-home (about 9.8 points above the U.S. share (15.2%)); a mean commute of about 57.0 minutes (U.S. average near 26.8).

Median home value is about $262,500 — about 25% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 100.0% (about 34.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 58531 in Riverdale, ND, a household would need roughly $72,000 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 $1,686. That is roughly in line with the local median household income ($67,067). 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, ND as Relatively Low (composite score 43.1), which is near the middle of the national distribution. The strongest component scores on US5 are wildfire (77.0) and flood (33.1). 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, ND show little to no average snow and around 18.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 17 for ZIP 58531 (Riverdale city, ND) 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.