ZIP Code 57049 — North Sioux City city, SD Demographics & Data

ZIP code 57049 covers North Sioux City, SD in Union County with a population of about 7,814.

At a glance, the area shows median age of 39.3 (near the U.S. median).

It sits in telephone area code 605; U.S. House district SD-00; the SIOUX CITY media market.

North Sioux City, SD 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 57049 is about $93,239 — about 24% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 8.5%; unemployment rate near 4.3%; 45.5% of adults with a bachelor’s degree or higher (about 11.8 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Manufacturing, and Professional services; about 5.4% of workers reporting work-from-home (about 9.8 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 $406,300 — about 17% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,082 (about 7% below the U.S. median rent ($1,163)), and owner-occupancy near 60.7% (about 4.7 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 57049 in North Sioux City, SD, a household would need roughly $112,000 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 $2,610. That is about 20% above the local median household income ($93,239), so the median earner would likely stretch or need a larger down payment. 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 North Sioux City city, SD as Very Low (composite score 37.1), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (77.6) and flood (47.5). 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 North Sioux City city, SD show little to no average snow and around 30.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 480 for ZIP 57049 (North Sioux City city, SD) 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.