ZIP Code 50112 — Grinnell city, IA Demographics & Data

ZIP code 50112 covers Grinnell, IA in Poweshiek County with a population of about 11,776.

At a glance, the area shows median age of 39.5 (near the U.S. median).

It sits in telephone area code 641; U.S. House district IA-2; the DES MOINES - AMES media market.

Grinnell, IA sits in a university / college context (near grinnell college (1.3 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 50112 is about $64,707 — about 14% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 9.5%; unemployment rate near 4.4%; 37.6% of adults with a bachelor’s degree or higher (about 3.9 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Manufacturing, and Healthcare; about 12.2% of workers reporting work-from-home (about 3.0 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 $198,100 — about 43% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $676 (about 42% below the U.S. median rent ($1,163)), and owner-occupancy near 68.8% (about 3.4 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 50112 in Grinnell, IA, a household would need roughly $55,000 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 $1,273. That sits below the local median household income ($64,707), 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 Grinnell city, IA as Very Low (composite score 31.3), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (46.1) and flood (20.3). 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 Grinnell city, IA show little to no average snow and around 38.2 inches of annual precipitation.

IRS migration statistics show a net inflow of about 675 for ZIP 50112 (Grinnell 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.