What to know about ZIP 61091
ZIP code 61091 covers IL in Ogle County.
It sits in telephone area codes 779, 815; U.S. House district IL-16; the ROCKFORD media market.
, IL
ZIP Code 61091 — undefined, IL 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
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At a glance
Overview of ZIP Code 61091
Climate risk and migration signals
FEMA’s National Risk Index rates natural-hazard risk for IL as Relatively Low (composite score 71.1), which is elevated versus much of the country. The strongest component scores on US5 are flood (77.0) and hurricane (13.6). 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 IL show little to no average snow and around 40.5 inches of annual precipitation.
Nearby (from this ZIP)
Airport RFD (29.8 miles (47.9 km)) · Sauk Valley Community College (7.1 miles (11.4 km)) · Herbert Hoover National Historic Site (95.4 miles (153.6 km)) · VA: Sterling VA Outpatient Clinic (12.0 miles (19.3 km))
Full lists and map pins are in the Infrastructure section below.