ZIP Code 51011 — Chatsworth city, IA Demographics & Data

ZIP code 51011 covers Chatsworth, IA in Sioux County with a population of about 80.

At a glance, the area shows median age of 31.8 versus a U.S. median of about 38.9.

It sits in telephone area code 712; U.S. House district IA-4; the SIOUX CITY media market.

Chatsworth, IA is tagged as a Tribal Nation community context (place names indicate a tribal nation community). Local search often includes tribal government offices, public safety, and Indian Health Service (IHS) / wellness topics alongside standard ZIP demographics.

Median household income in ZIP 51011 is about $45,556 — about 39% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 15.0%; unemployment rate near 0.0%; 4.2% of adults with a bachelor’s degree or higher (about 29.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Construction, and Other services; about 7.9% of workers reporting work-from-home (about 7.3 points below the U.S. share (15.2%)); a mean commute of about 35.0 minutes (U.S. average near 26.8).

Housing tenure and rents show median gross rent around $540 (about 54% below the U.S. median rent ($1,163)), and owner-occupancy near 81.0% (about 15.5 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Chatsworth city, IA as Relatively Low (composite score 52.4), which is near the middle of the national distribution. The strongest component scores on US5 are flood (49.5) and wildfire (39.7). 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 Chatsworth city, IA show little to no average snow and around 29.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 5 for ZIP 51011 (Chatsworth 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.