ZIP Code 57346 — Stephan CDP, SD Demographics & Data

ZIP code 57346 covers Stephan, SD in Hyde County with a population of about 7.

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

Stephan, 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.

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%.

Labor and commute patterns include leading industry context around Retail trade; a mean commute of about 7.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 0.0% (about 65.4 points below the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Stephan CDP, SD as Very Low (composite score 6.5), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (83.7) and flood (11.5). 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 Stephan CDP, SD show little to no average snow and around 21.2 inches of annual precipitation.

IRS migration statistics for ZIP 57346 (Stephan CDP, SD) are roughly balanced (near-zero net) on US5’s published series.