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Lanark, IL
City in Carroll County, Illinois.
Population
1,541
Land area
1.1sq mi
People per sq mi
1,375
ZIP codes
0
Lanark and its ZIP codes
Lanark at a glance
- Lanark is about 6 times as dense as Illinois as a whole.
- Households here earn a median of $59,375 a year, 29% less than the Illinois figure of $83,390.
- A typical owner-occupied home is valued at $96,600 (63% below Illinois) and median rent is $819 a month.
Local data for Lanark, IL
Counts from official public data
Housing and community stats
Lanark, IL, American Community Survey 2020-2024
Median household income
$59,375
Poverty rate
12.7%
Median home value
$96,600
Median rent
$819/mo
Homeownership
78.6%
Bachelor's or higher
14.5%
Median age
38.4
Average commute
24.9 min
Largest reported origins and ancestries: German Americans (549), Irish Americans (171), Dutch Americans (50).
Economy and federal money
Jobs, pay, income and spending are for Carroll County. PPP loans are for Lanark.
Unemployment rate
3.4%
Aug 2026, -1.3 pts in a year
Average annual pay
$51,869
4,081 jobs, 2025
Income per person
$54,171
BEA, 2024
Federal spending
$121M
FY 2026, $7,688 per person
How people get to work
Lanark, IL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone86.1%
- Carpooled5.9%
- Public transit0.9%
- Walked3.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.5%
- Worked from home3.6%
Average one-way commute: 24.9 minutes for people who do not work from home.
Environment and hazard risk
Lanark, IL, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
545
Countywide, mostly thunderstorm wind
Flood insurance policies
15
0.1% of homes, county
July high / Jan low
85° / 11°F
40.3 inches of rain a year
Health statistics
Share of adults in Lanark, IL, CDC PLACES estimates
Obesity
38.9%
U.S. 33.3% +5.6 pts
Diabetes
12.4%
U.S. 12.1% about the same
Smoking
15.0%
U.S. 12.8% +2.2 pts
Uninsured (18-64)
7.0%
U.S. 11.1% -4.1 pts
Cities near Lanark
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Lake CarrollCensus-designated place | 4.7 mi | 13.5 |
| ShannonVillage | 6 mi | 0.5 |
| ChadwickVillage | 6.5 mi | 0.3 |
| Mount CarrollCity | 7.5 mi | 2 |
| MilledgevilleVillage | 9.8 mi | 0.7 |
| Pearl CityVillage | 11 mi | 0.6 |
| ForrestonVillage | 13 mi | 0.9 |
| ColetaVillage | 14 mi | 0.4 |
| BaileyvilleCensus-designated place | 14 mi | 0.2 |
| PoloCity | 15 mi | 1.5 |
| SavannaCity | 16 mi | 2.6 |
| FreeportCity | 16 mi | 11.9 |
| ThomsonVillage | 17 mi | 2.2 |
| AdelineVillage | 18 mi | 0.3 |
| Sabula, IACity | 18 mi | 0.5 |
| Willow LakeCensus-designated place | 19 mi | 2.7 |
Frequently asked questions
- What county is Lanark, IL in?
- Lanark is in Carroll County, Illinois.
- What is the population of Lanark, IL?
- About 1,541 people live in Lanark, based on American Community Survey 5-year estimates.
- What cities are near Lanark?
- Nearby places include Lake Carroll (4.7 mi), Shannon (6 mi), Chadwick (6.5 mi), Mount Carroll (7.5 mi), Milledgeville (9.8 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023