The Aaron G. Cloud House, now the McCoy Memorial Library, is a historic house in McLeansboro, Illinois, which is now used as the city's public library. The house was built in 1884 for Aaron G.

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4 on the National Register · #73 in ILHistoric places →

Know McLeansboro

The town at a glance, and the guide to how things work

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About McLeansboro

City in Illinois, United States

2,675Population

2.7 sq miArea

449 ftElevation

McLeansboro () is a city and the county seat of Hamilton County, Illinois, Illinois, United States. The population was 2,675 at the 2020 census. McLeansboro is part of the Mount Vernon, Illinois micropolitan area.

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

How McLeansboro ranks

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#7Lowest property tax in IL #7Cheapest rent in IL #22Most affordable in IL All IL rankings →

Town numbers

ZIP code62859

Area code618

Living in McLeansboro

Safety in McLeansboro

Safety Grade A

McLeansboro reports less crime per resident than 89% of the U.S. towns and cities we grade.

Violent crime per 1,000

McLeansboro 1.6

Illinois 2.6

U.S. 3.3

Property crime per 1,000

McLeansboro 1.6

Illinois 15.6

U.S. 15.5

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

Work & commute in McLeansboro

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About one in 4 of McLeansboro’s working residents works in town. The top destinations are Mount Vernon (14%), Eldorado (3%) and Carmi (3%). Half commute less than 25 miles.

Mount Vernon

14%

Eldorado

Carmi

Marion

25%Work in townlive and work in McLeansboro 25 miWhere do people commute?the commute map 1,012Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in McLeansboro →

Health in McLeansboro

Health Grade D

Healthier than 9% of U.S. towns on seven CDC estimates, and 32% of towns with similar incomes.

Compared with Illinois

1better than IL·19worse

of 32 measures CDC estimates. The other 12 are too close to call.

Conditions 10▼ 2 close Habits 2▼ 2 close Care 1▲ 2▼ 4 close Mind 3▼ 2 close Everyday needs 2▼ 2 close

BetterToo close to callWorse

What stands out

79.5%More adults treating high blood pressureIL 75.7% · better 12.2%More adults with COPDIL 6.3% · worse

Care nearby

Hamilton Memorial HospitalMcleansboro · 0.2 mi · ER · rural critical access

Crhpc-Carmi Health CenterCarmi · 19.2 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

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

Natural hazards in McLeansboro

High

Expected storm and flood damage is higher than in 67% of U.S. communities.

🏚️ Earthquakes🌊 Inland flooding🌪️ Tornadoes

0Does McLeansboro flood?no paid flood claims on record 1Disasters that paid out herefederal disaster sent FEMA money to McLeansboro

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

Climate in McLeansboro

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McLeansboro has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 24°, and about 13 inches of snow falls in a normal winter.

44° / 26°Winter

67° / 45°Spring

87° / 65°Summer

69° / 46°Fall