What to know about ZIP 57776
ZIP code 57776 covers SD in Harding County.
It sits in telephone area code 605; U.S. House district SD-00; the RAPID CITY media market.
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ZIP Code 57776 — undefined, SD Demographics & Data
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Low Snow Area
Map, Quick Facts & Location
Quick Facts
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At a glance
Overview of ZIP Code 57776
Climate risk and migration signals
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 16.0 inches of annual precipitation.
Nearby (from this ZIP)
Airport RCA (79.2 miles (127.4 km)) · Black Hills State University (55.9 miles (90.0 km)) · Devils Tower National Monument (75.7 miles (121.8 km)) · VA: VA Black Hills Health Care System - Fort Meade Campus (58.4 miles (94.0 km))
Full lists and map pins are in the Infrastructure section below.