What to know about ZIP 80544
ZIP code 80544 covers Niwot, CO in Boulder County.
It sits in telephone area codes 303, 720, 983; U.S. House district CO-2; the DENVER media market.
Niwot CDP, CO
ZIP Code 80544 — Niwot CDP, CO 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 80544
Climate risk and migration signals
FEMA’s National Risk Index rates natural-hazard risk for Niwot CDP, CO as Relatively Moderate (composite score 90.7), which is among the highest nationally. The strongest component scores on US5 are wildfire (97.9) and flood (92.2). 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 Niwot CDP, CO show little to no average snow and around 15.2 inches of annual precipitation.
Nearby (from this ZIP)
Airport BJC (13.8 miles (22.1 km)) · Naropa University (8.0 miles (12.8 km)) · Rocky Mountain National Park (32.8 miles (52.8 km)) · VA: Boulder Vet Center (6.6 miles (10.7 km))
Full lists and map pins are in the Infrastructure section below.