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Lanark

A city of 1,541 people in Illinois
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Around town

The places and views that make it Lanark

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Ladies public rest1909
From Lanark’s story

Ladies public rest, 1909

Photo · Library of Congress

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

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About Lanark

Place in Illinois, United States
1861Established
1,504Population
1.1 sq miArea
879 ftElevation

Lanark is a city in Carroll County, Illinois, United States. The population was 1,504 at the 2020 census. The city was named after Lanark, in Scotland.

Official town website ↗

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

Town numbers

ZIP code61046
Area code815
Living in Lanark

Housing in Lanark

$334K▲ 9.5% in a year Typical home value · Zillow

The typical Lanark home is worth about $334,000, up 9.5% in a year, 12% above the Illinois typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Lanark

A+

Safety Grade A+

Lanark reports less crime per resident than 96% of the U.S. towns and cities we grade.

Violent crime per 1,000
Lanark 0
Illinois 2.6
U.S. 3.3
Property crime per 1,000
Lanark 1.4
Illinois 15.6
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Lanark

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Most working residents leave Lanark for work: only 8% work in town. The top destinations are Freeport (17%), Shannon (8%) and Mount Carroll (4%). Half commute less than 17 miles.

Freeport
17%
Shannon
8%
Mount Carroll
4%
Savanna
4%
Census LEHD 2023 · ACSWork & commute in Lanark →

Health in Lanark

B−

Health Grade B−

Healthier than 49% of U.S. towns on seven CDC estimates, and 75% of towns with similar incomes.

Compared with Illinois

5better than IL·4worse

of 32 measures CDC estimates. The other 23 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Fhn Memorial HospitalFreeport · 16.7 mi · ER
Whiteside Chd - Rock FallsRock Falls · 23.2 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 Lanark · CMS · HRSAHealth in Lanark →

Natural hazards in Lanark

28
Low

Expected storm and flood damage is higher than in 28% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Lanark →

Climate in Lanark

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Lanark has cold, snowy winters and pleasant summers. A typical July afternoon reaches 84°, a January night drops to 12°, and about 33 inches of snow falls in a normal winter.

32° / 16°Winter
59° / 38°Spring
82° / 60°Summer
61° / 40°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Lanark →

Famous people from Lanark

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How things work in Lanark

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01