ZIP Code 57639 — Little Eagle CDP, SD Demographics & Data

ZIP code 57639 covers Little Eagle, SD in Corson County with a population of about 373.

At a glance, the area shows median age of 19.5 versus a U.S. median of about 38.9.

It sits in telephone area code 605; U.S. House district SD-00; the MINOT - BISMARCK - DICKINSON media market.

Median household income in ZIP 57639 is about $22,125 — about 71% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 86.9%; unemployment rate near 74.7%.

Labor and commute patterns include leading industry context around Retail trade, Administrative support, and Education; about 14.3% of workers reporting work-from-home (roughly in line with the U.S. share (15.2%)); a mean commute of about 18.0 minutes (U.S. average near 26.8).

Housing tenure and rents show median gross rent around $99 (about 91% below the U.S. median rent ($1,163)), and owner-occupancy near 14.1% (about 51.3 points below the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Little Eagle CDP, SD as Very Low (composite score 38.1), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (77.3) and flood (16.1). 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 Little Eagle CDP, SD show little to no average snow and around 20.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 23 for ZIP 57639 (Little Eagle CDP, 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.