ZIP Code 57117 — Sioux Falls city, SD Demographics & Data

ZIP code 57117 covers Sioux Falls, SD in Minnehaha County with a population of about 22.

At a glance, the area shows median age of 42.8 versus a U.S. median of about 38.9.

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

Sioux Falls, 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.

FEMA’s National Risk Index rates natural-hazard risk for Sioux Falls city, SD as Relatively Moderate (composite score 89.5), which is elevated versus much of the country. The strongest component scores on US5 are flood (85.5) and wildfire (71.3). 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 Sioux Falls city, SD show little to no average snow and around 28.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1 for ZIP 57117 (Sioux Falls 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.