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Boise City city, ID

ZIP Code 83720 — Boise City city, ID Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Map, Quick Facts & Location

Quick Facts

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Population
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City
Boise City city
County
Ada County
ID
Timezone
MST(America/Boise)
Area Code
208, 986
Congress
ID-2
DMA
BOISE (757)
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Location
Coordinates
44.2405, -114.4788
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At a glance

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MST

Overview of ZIP Code 83720

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What to know about ZIP 83720

ZIP code 83720 covers Boise City, ID in Ada County.

It sits in telephone area codes 208, 986; U.S. House district ID-2; the BOISE media market.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Boise City city, ID as Relatively Moderate (composite score 87.8), which is elevated versus much of the country. The strongest component scores on US5 are wildfire (98.3) and flood (89.8). 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 Boise City city, ID show limited published climate normals on US5.