ZIP Code 57256 — Ortley town, SD Demographics & Data

ZIP code 57256 covers Ortley, SD in Grant County with a population of about 226.

At a glance, the area shows median age of 44.5 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.

Ortley, 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 57256 is about $66,250 — about 12% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.5%; unemployment rate near 24.4%; 10.1% of adults with a bachelor’s degree or higher (about 23.6 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Agriculture, Retail trade, and Manufacturing; about 9.9% of workers reporting work-from-home (about 5.3 points below the U.S. share (15.2%)); a mean commute of about 82.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 90.1% (about 24.7 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Ortley town, SD as Very Low (composite score 18.9), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (54.6) and flood (17.3). 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 Ortley town, SD show little to no average snow and around 25.7 inches of annual precipitation.

IRS migration statistics show a net inflow of about 14 for ZIP 57256 (Ortley town, 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.