ZIP Code 50518 — Barnum city, IA Demographics & Data

ZIP code 50518 covers Barnum, IA in Webster County with a population of about 366.

At a glance, the area shows median age of 27.8 versus a U.S. median of about 38.9.

It sits in telephone area code 515; U.S. House district IA-4; the DES MOINES - AMES media market.

Median household income in ZIP 50518 is about $84,830 — about 13% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 8.7%; unemployment rate near 2.6%; 3.3% of adults with a bachelor’s degree or higher (about 30.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Other services, and Agriculture; about 1.6% of workers reporting work-from-home (about 13.6 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 $144,200 — about 59% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $495 (about 57% below the U.S. median rent ($1,163)), and owner-occupancy near 93.3% (about 27.9 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 50518 in Barnum, IA, a household would need roughly $40,000 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 $926. That sits below the local median household income ($84,830), suggesting the typical household income is closer to a workable buy-in level under these assumptions. 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 Barnum city, IA as Relatively Low (composite score 60.0), which is near the middle of the national distribution. The strongest component scores on US5 are flood (47.1) and wildfire (19.1). 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 Barnum city, IA show little to no average snow and around 35.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 21 for ZIP 50518 (Barnum city, IA) 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.