What to know about ZIP 45501
ZIP code 45501 covers Springfield, OH in Clark County.
It sits in telephone area codes 326, 937; U.S. House district OH-10; the DAYTON media market.
Springfield city, OH
ZIP Code 45501 — Springfield city, OH 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 45501
Climate risk and migration signals
FEMA’s National Risk Index rates natural-hazard risk for Springfield city, OH as Relatively Low (composite score 77.1), which is elevated versus much of the country. The strongest component scores on US5 are flood (84.2) and hurricane (40.0). 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 Springfield city, OH show limited published climate normals on US5.