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zipcodes.pro — CITY/IL/NEPONSET

Neponset ZIP code, Illinois

The ZIP code for Neponset, IL is 61345, and its area code is 309.

USPS city name
1 ZIP code
Population
446
Area code
309

Neponset in numbers

About 446 people live in Neponset, in 162 households. The median household income is $61,250 a year, 27% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $67,800 (74% below the Illinois median), and median gross rent is $850 a month. The median age is 37.0; 20.3% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 26 minutes.

Population446Neponset446
Households162Neponset162
Median age37.0Neponset37.0Illinois39.0US 38.9
Median household income$61,250Neponset$61,250Illinois$83,390US $80,734
Median home value$67,800Neponset$67,800Illinois$263,300US $332,700
Median gross rent$850Neponset$850Illinois$1,274US $1,413
Bachelor's degree or higher20.3%Neponset20.3%Illinois37.8%US 35.7%
Mean commute26.0 minNeponset26.0 minIllinois27.8 minUS 26.4 min
Population density445 / sq miNeponset445 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Neponset village. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Neponset

ZIP codes with the USPS city name Neponset
ZIP City Type Population Median income Median home
61345 Neponset , IL Standard 770 $76,250 $99,900

Map of Neponset ZIP codes

61345

The ZIP codes of Neponset, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Neponset

The nearest larger towns are Sheffield (874 people, 5.0 mi), Buda (517 people, 6.1 mi) and Kewanee (11,913 people, 8.1 mi).

Towns near Neponset
TownPopulationDistance
Kewanee 11,913 8.1 mi
Princeton 7,975 17.8 mi
Geneseo 6,673 21.7 mi

More nearby: every ZIP code in Bureau County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Neponset, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/neponset

Underlying data is public domain or openly licensed — sources, vintages and licences.