ZIP Code 52321 — Onslow city, IA Demographics & Data

ZIP code 52321 covers Onslow, IA in Jones County with a population of about 456.

At a glance, the area shows median age of 40.8 versus a U.S. median of about 38.9.

It sits in telephone area code 563; U.S. House district IA-1; the CEDAR RAPIDS - WTRLO - IWC&DUB media market.

Median household income in ZIP 52321 is about $71,250 — about 5% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 23.3%; unemployment rate near 0.4%; 12.2% of adults with a bachelor’s degree or higher (about 21.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Agriculture, Manufacturing, and Finance and insurance; about 33.3% of workers reporting work-from-home (about 18.1 points above the U.S. share (15.2%)); a mean commute of about 148.0 minutes (U.S. average near 26.8).

Median home value is about $121,400 — about 65% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $568 (about 51% below the U.S. median rent ($1,163)), and owner-occupancy near 85.0% (about 19.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 52321 in Onslow, IA, a household would need roughly $33,000 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 $780. That sits below the local median household income ($71,250), 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 Onslow city, IA as Very Low (composite score 32.7), which is relatively lower than many U.S. communities. The strongest component scores on US5 are flood (46.4) and wildfire (27.4). 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 Onslow city, IA show little to no average snow and around 39.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 26 for ZIP 52321 (Onslow 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.