ZIP Code 57750 — Interior town, SD Demographics & Data

ZIP code 57750 covers Interior, SD in Jackson County with a population of about 286.

At a glance, the area shows median age of 25.9 versus a U.S. median of about 38.9.

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

On socioeconomic markers, US5 shows a poverty rate of 71.0%; unemployment rate near 0.0%; 14.0% of adults with a bachelor’s degree or higher (about 19.7 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Food services, Education, and Retail trade; about 33.3% of workers reporting work-from-home (about 18.1 points above the U.S. share (15.2%)); a mean commute of about 38.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 39.8% (about 25.6 points below the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Interior town, SD as Very Low (composite score 10.2), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (85.5) and flood (13.6). 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 Interior town, SD show little to no average snow and around 19.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 18 for ZIP 57750 (Interior 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.