ZIP Code 57651 — undefined, SD Demographics & Data

ZIP code 57651 covers SD in Harding County with a population of about 121.

At a glance, the area shows median age of 34.1 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.

Median household income in ZIP 57651 is about $91,250 — about 21% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%; 24.2% of adults with a bachelor’s degree or higher (about 9.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Agriculture, Manufacturing, and Retail trade; about 7.9% of workers reporting work-from-home (about 7.3 points below the U.S. share (15.2%)); a mean commute of about 58.0 minutes (U.S. average near 26.8).

Median home value is about $310,000 — about 11% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 63.2% (about 2.2 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 57651 in SD, a household would need roughly $85,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,991. That is roughly in line with the local median household income ($91,250). Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

FEMA’s National Risk Index rates natural-hazard risk for SD as Very Low (composite score 1.5), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (82.6) and flood (3.5). 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 SD show little to no average snow and around 16.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 7 for ZIP 57651 (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.