Neponset, IL ZIP code

The ZIP code for Neponset, Illinois is 61345. It is in Bureau County.

61345

Population in these ZIPs: 770
Avg. median income: $76,300population-weighted
Typical home value: $99,900population-weighted
Metro area: Ottawa, IL

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Neponset, IL ZIP code list

Neponset, IL ZIP codes
ZIP code	Population	Median income	Typical home value
61345	770	$76,250	$99,900

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Neponset

Buda 6 mi
Kewanee 8 mi
Bradford 9 mi
Sheffield 9 mi
Mineral 10 mi
Castleton 12 mi
Wyanet 12 mi
Annawan 12 mi
Tiskilwa 14 mi
Toulon 14 mi
Manlius 15 mi
Galva 15 mi

Frequently asked questions

What is the ZIP code for Neponset, IL?

The ZIP code for Neponset, IL is 61345.

What county is Neponset, Illinois in?

Neponset ZIP codes are in Bureau County.