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zipcodes.pro — CITY/IL/HENNEPIN

Hennepin ZIP code, Illinois

The ZIP code for Hennepin, IL is 61327, and its area code is 815.

USPS city name
1 ZIP code
Population
929
Area code
815

Hennepin in numbers

About 929 people live in Hennepin, in 372 households. The median household income is $83,000 a year, about the same as the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $168,300 (36% below the Illinois median), and median gross rent is $849 a month. The median age is 38.3; 20.9% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 25 minutes.

Population929Hennepin929
Households372Hennepin372
Median age38.3Hennepin38.3Illinois39.0US 38.9
Median household income$83,000Hennepin$83,000Illinois$83,390US $80,734
Median home value$168,300Hennepin$168,300Illinois$263,300US $332,700
Median gross rent$849Hennepin$849Illinois$1,274US $1,413
Bachelor's degree or higher20.9%Hennepin20.9%Illinois37.8%US 35.7%
Mean commute25.0 minHennepin25.0 minIllinois27.8 minUS 26.4 min
Population density175 / sq miHennepin175 / sq mi

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

ZIP codes addressed as Hennepin

ZIP codes with the USPS city name Hennepin
ZIP City Type Population Median income Median home
61327 Hennepin , IL Standard 1,442 $89,306 $211,300

Map of Hennepin ZIP codes

61327

The ZIP codes of Hennepin, 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 Hennepin

The nearest larger towns are Granville (1,472 people, 4.5 mi), De Pue (1,532 people, 5.5 mi) and Spring Valley (5,476 people, 8.4 mi).

Towns near Hennepin
TownPopulationDistance
Spring Valley 5,476 8.4 mi
Peru 9,775 11.7 mi
Princeton 7,975 11.9 mi
LaSalle 9,498 12.7 mi
Oglesby 3,570 13.0 mi
Mendota 6,994 23.9 mi
Chillicothe 5,900 25.1 mi
Ottawa 18,447 26.5 mi
Streator 12,330 26.6 mi

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

Cite this page

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

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