ZIP Code 46971 — Grissom AFB CDP, IN Demographics & Data

ZIP code 46971 covers Grissom AFB, IN in Miami County.

It sits in telephone area code 765; U.S. House district IN-2; the INDIANAPOLIS media market.

Grissom AFB, IN reads as a military / base-oriented community on US5’s intent model (base-related place names in city/county context). Service members and families often look up Basic Allowance for Housing (BAH) rates, on-base mail (PSC / P.O. Box) addresses, and nearby ZIP demographics when relocating.

US5 shows 2026 DoD BAH locality rates for this ZIP’s Military Housing Area on this page (pay grade × with/without dependents). Treat the table as a planning reference and confirm entitlement with your finance office or the official DTMO BAH lookup.

FEMA’s National Risk Index rates natural-hazard risk for Grissom AFB CDP, IN as Relatively Low (composite score 52.8), which is near the middle of the national distribution. The strongest component scores on US5 are flood (65.1) and hurricane (33.3). 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 Grissom AFB CDP, IN show limited published climate normals on US5.