Town guide

Lebanon, Illinois

Lebanon is a city in St. Clair County, Illinois, home to about 4,474 people across 2.7 square miles. Its ZIP code is 62254.

Homes sold for a median of $127 per square foot in the three months ending August 2026, a seller’s market.

Population4,4741,663 per sq mi
Median home value$170,700Census, as estimated by owners
Price per sq ft$127Sold homes, 3 months to August 2026
Sold over asking30%Latest 3 months

ZIP codes in Lebanon

1 ZIP code

Each card is that ZIP code’s whole market, including any part outside Lebanon. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology

The Lebanon guide is on the way

We’re writing up Lebanon’s story and what everyday life there is like, for people thinking about moving in.

  • History
  • What it’s like to live there
  • Getting around
  • Things to do

Are you a local agent who knows Lebanon well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked

Around Lebanon

Distances

Nearest major airportSt. Louis Lambert International Airport (STL)32 miles away
Closer regional airportScott AFB/Midamerica Airport (BLV)5 miles away
Nearest city of 250,000+St. Louis, MO24 miles away
Nearest city of 1 million+Chicago, IL249 miles away

Straight-line distances from the center of Lebanon; driving is longer.

Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.

Who represents Lebanon

Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.

Population over time

Lebanon had 4,691 residents in the 2020 census, up 33% since 2000.

It’s the 354th largest of 1,450 towns in Illinois by population.

St. Clair County grew from 86,685 residents in 1900 to 257,400 in 2020.

Lebanon population by census2000: 3,523, 2010: 4,418, 2020: 4,6913,52320004,41820104,6912020

St. Clair County, 1900–2020

St. Clair County population, 1900 to 20201900: 86,685, 1910: 119,870, 1920: 136,520, 1930: 157,775, 1940: 166,899, 1950: 205,995, 1960: 262,509, 1970: 285,176, 1980: 267,531, 1990: 262,852, 2000: 256,082, 2010: 270,056, 2020: 257,40087K’00’10137K’20’30167K’40’50263K’60’70268K’80’90256K’00’10257K’20

Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).

Weather by month

Average highs peak around 90°F in summer, and winter lows average 24°F. About 43.4 inches of rain and melted snow fall in a typical year, with about 11 inches of snow.

Average high and low temperature and precipitation by month near LebanonJan: high 43°F, low 24°F, 2.6 in; Feb: high 49°F, low 28°F, 2.2 in; Mar: high 59°F, low 36°F, 3.4 in; Apr: high 71°F, low 46°F, 4.9 in; May: high 79°F, low 56°F, 5.1 in; Jun: high 87°F, low 65°F, 4.6 in; Jul: high 90°F, low 68°F, 4 in; Aug: high 89°F, low 65°F, 3.9 in; Sep: high 83°F, low 57°F, 3.4 in; Oct: high 73°F, low 47°F, 3.1 in; Nov: high 58°F, low 37°F, 3.6 in; Dec: high 46°F, low 28°F, 2.6 in43°24°Jan2.649°28°Feb2.259°36°Mar3.471°46°Apr4.979°56°May5.187°65°Jun4.690°68°Jul4.089°65°Aug3.983°57°Sep3.473°47°Oct3.158°37°Nov3.646°28°Dec2.6Rain and melted snow, inches

Source: NOAA 1991–2020 climate normals, Belleville Siu Rsch, IL weather station (6 miles away).

Jobs in St. Clair County

72,871 jobs at 4,973 businesses in St. Clair County. The biggest industries by employees:

Largest industries in St. Clair CountyHealth care and social assistance: 13,767 jobs; Retail trade: 11,974 jobs; Hotels and restaurants: 10,220 jobs; Manufacturing: 5,461 jobs; Transportation and warehousing: 5,197 jobs; Professional services: 4,257 jobs; Construction: 4,185 jobs; Administrative and support: 4,080 jobsHealth care and social assistance 19% Retail trade 16% Hotels and restaurants 14% Manufacturing 8% Transportation and warehousing 7% Professional services 6% Construction 6% Administrative and support 6%

Source: U.S. Census Bureau County Business Patterns 2022 (private employers; jobs counted where people work).

Health care

19 doctors and other health care providers list an office in Lebanon.

Nearest hospitals

  • Hshs St. Elizabeth's HospitalGeneral hospital · emergency room · CMS rating 4 of 5 · O Fallon7.4 miles
  • Anderson HospitalGeneral hospital · emergency room · CMS rating 3 of 5 · Maryville12.1 miles
  • Memorial HospitalGeneral hospital · emergency room · CMS rating 5 of 5 · Belleville12.6 miles

Providers with an office here

Specialist doctors1
Dentists3
Nurse practitioners and physician assistants2
Mental health providers2
Physical and occupational therapists5
Optometrists4
Chiropractors2
Pharmacies1

Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.

Places in and around Lebanon

Parks (2 nearby)

  • McAllister Park · 2 acres0.7 mi

Libraries (1 nearby)

  • Holman Library1.0 mi

Theaters and performance venues (1 nearby)

  • The Russel E. and Fern M. Hettenhausen Center for the Arts0.8 mi

Counts are within about 1.5 miles of the center of town.

Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.

Colleges, teams and notable people

Colleges and universities

  • McKendree University

Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.

Schools in Lebanon

Public schools here are run by Lebanon CUSD 9. Check each district’s attendance zones for a specific address.

Public schools (2)
SchoolGradesStudentsTypeDistance
Lebanon Elem SchoolLebanonPre-K–5312Public0.8 mi
Lebanon High SchoolLebanon6–12218Public0.7 mi

Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.

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Where Lebanon is

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Towns near Lebanon

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Shares ZIP codes with O'Fallon.

Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.