ZIP Code 50653 — Marble Rock city, IA Demographics & Data

ZIP code 50653 covers Marble Rock, IA in Floyd County with a population of about 448.

At a glance, the area shows median age of 58.2 versus a U.S. median of about 38.9.

It sits in telephone area code 641; U.S. House district IA-2; the ROCHESTR - MASON CITY - AUSTIN media market.

Marble Rock, IA fits a retirement-oriented profile (high share of residents 65+ (40.9%)). 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 50653 is about $65,313 — about 13% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 3.1%; unemployment rate near 2.8%; 20.7% of adults with a bachelor’s degree or higher (about 13.0 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Agriculture, Healthcare, and Manufacturing; about 19.1% of workers reporting work-from-home (about 3.9 points above the U.S. share (15.2%)); a mean commute of about 169.0 minutes (U.S. average near 26.8).

Median home value is about $150,900 — about 57% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $450 (about 61% below the U.S. median rent ($1,163)), and owner-occupancy near 83.7% (about 18.3 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 50653 in Marble Rock, IA, a household would need roughly $42,000 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 $969. That sits below the local median household income ($65,313), 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 Marble Rock city, IA as Relatively Low (composite score 47.7), which is near the middle of the national distribution. The strongest component scores on US5 are flood (56.3) and wildfire (28.8). 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 Marble Rock city, IA show little to no average snow and around 37.7 inches of annual precipitation.

IRS migration statistics show a net inflow of about 26 for ZIP 50653 (Marble Rock 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.