Lacon is a city in and the county seat of Marshall County, Illinois, United States. It is part of the Peoria metropolitan area. The population was 1,878 at the 2020 census, down from 1,937 in 2010.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code61540

Area code309

Living in Lacon

Housing in Lacon

$210K Median sale price · Redfin, May 2026

The median sale price was $210,000 in May 2026.

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Lacon

—

Not graded

A grade needs all of the FBI's latest years (2023–2025). Lacon's police department reported only 2023 and 2025, so we don't grade it yet. The figures below are still real.

Violent crime per 1,000

Lacon 1.1

Illinois 2.6

U.S. 3.3

Property crime per 1,000

Lacon 4.9

Illinois 15.6

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Lacon

Full picture →

Most working residents leave Lacon for work: only 12% work in town. The top destinations are Peoria (16%), Toluca (2%) and Chillicothe (2%). Half commute less than 24 miles.

Peoria

16%

Toluca

Chillicothe

Mossville

12%Work in townlive and work in Lacon 24 miWhere do people commute?the commute map 437Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Lacon →

Health in Lacon

B⁻

Health Grade B−

Healthier than 48% of U.S. towns on seven CDC estimates, and 69% of towns with similar incomes.

Compared with Illinois

6better than IL·7worse

of 32 measures CDC estimates. The other 19 are too close to call.

Conditions 6▼ 6 close Habits all close Care 3▲ 4 close Mind 1▼ 4 close Everyday needs 3▲ 1 close

BetterToo close to callWorse

What stands out

7.4%Fewer uninsured adultsIL 9.9% · better 9.9%Fewer adults facing housing insecurityIL 13.2% · better 8.9%More adults with COPDIL 6.3% · worse

Care nearby

Carle Health Proctor HospitalPeoria · 21 mi · ER

Community Health Partnership of IllinoisPrinceville · 19.4 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Lacon · CMS · HRSAHealth in Lacon →

Natural hazards in Lacon

Moderate

Expected storm and flood damage is higher than in 52% of U.S. communities.

🌊 Inland flooding🥶 Cold waves💨 Strong wind

0Does Lacon flood?no paid flood claims on record 5Disasters that paid out herefederal disasters sent FEMA money to Lacon

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Lacon →

Climate in Lacon

Full climate →

Lacon has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 16°, and about 25 inches of snow falls in a normal winter.

36° / 19°Winter

62° / 40°Spring

84° / 62°Summer

65° / 43°Fall