What to know about ZIP 21560
ZIP code 21560 covers Spring Gap, MD in Allegany County.
It sits in telephone area codes 227, 240, 301; U.S. House district MD-6; the WASHINGTON, DC (HAGRSTWN) media market.
Spring Gap CDP, MD
ZIP Code 21560 — Spring Gap CDP, MD Demographics & Data
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Map, Quick Facts & Location
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At a glance
Overview of ZIP Code 21560
Climate risk and migration signals
FEMA’s National Risk Index rates natural-hazard risk for Spring Gap CDP, MD as Relatively Low (composite score 58.5), which is near the middle of the national distribution. The strongest component scores on US5 are flood (73.6) and hurricane (67.7). 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 Spring Gap CDP, MD show limited published climate normals on US5.