ZIP Code 50241 — St. Marys city, IA Demographics & Data

ZIP code 50241 covers St. Marys, IA in Warren County with a population of about 112.

At a glance, the area shows median age of 53.5 versus a U.S. median of about 38.9.

It sits in telephone area code 641; U.S. House district IA-1; the DES MOINES - AMES media market.

Median household income in ZIP 50241 is about $78,750 — about 5% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 6.3%; unemployment rate near 0.0%; 23.2% of adults with a bachelor’s degree or higher (about 10.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Construction, Education, and Finance and insurance; about 4.8% of workers reporting work-from-home (about 10.4 points below the U.S. share (15.2%)); a mean commute of about 59.0 minutes (U.S. average near 26.8).

Median home value is about $168,800 — about 52% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,107 (about 5% below the U.S. median rent ($1,163)), and owner-occupancy near 76.9% (about 11.5 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 50241 in St. Marys, IA, a household would need roughly $46,000 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 $1,084. That sits below the local median household income ($78,750), 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 St. Marys city, IA as Very Low (composite score 36.1), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (59.4) and flood (35.9). 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 St. Marys city, IA show limited published climate normals on US5.

IRS migration statistics show a net inflow of about 6 for ZIP 50241 (St. Marys 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.