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zipcodes.pro — CITY/IL/LACON

Lacon ZIP code, Illinois

The ZIP code for Lacon, IL is 61540, and its area code is 309.

USPS city name
1 ZIP code
Population
1,916
Area code
309

Lacon in numbers

About 1,916 people live in Lacon, in 799 households. The median household income is $63,162 a year, 24% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $121,900 (54% below the Illinois median), and median gross rent is $817 a month. The median age is 38.8; 9.7% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 33 minutes.

Population1,916Lacon1,916
Households799Lacon799
Median age38.8Lacon38.8Illinois39.0US 38.9
Median household income$63,162Lacon$63,162Illinois$83,390US $80,734
Median home value$121,900Lacon$121,900Illinois$263,300US $332,700
Median gross rent$817Lacon$817Illinois$1,274US $1,413
Bachelor's degree or higher9.7%Lacon9.7%Illinois37.8%US 35.7%
Mean commute33.0 minLacon33.0 minIllinois27.8 minUS 26.4 min
Population density1,171 / sq miLacon1,171 / sq mi

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

ZIP codes addressed as Lacon

ZIP codes with the USPS city name Lacon
ZIP City Type Population Median income Median home
61540 Lacon , IL Standard 2,753 $78,824 $154,400

Map of Lacon ZIP codes

61540

The ZIP codes of Lacon, 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 Lacon

The nearest larger towns are Henry (2,441 people, 7.0 mi), Chillicothe (5,900 people, 8.9 mi) and Rome (1,947 people, 11 mi).

Towns near Lacon
TownPopulationDistance
Chillicothe 5,900 8.9 mi
Metamora 4,159 15.9 mi
Germantown Hills 3,436 17.8 mi
Peoria Heights 5,825 20.9 mi
Peoria 112,169 21.7 mi
Washington 15,919 21.9 mi
Eureka 5,007 22.4 mi
Spring Valley 5,476 23.8 mi
Princeton 7,975 24.9 mi
East Peoria 22,324 25.2 mi
Oglesby 3,570 25.6 mi
West Peoria 4,238 25.6 mi
LaSalle 9,498 26.9 mi
Peru 9,775 27.0 mi

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

Cite this page

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

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