Lacon
City in Marshall County, Illinois

Lacon is a city in Marshall County, Illinois, with 1,878 residents (2020 Census). It sits at 486 ft (148 m) above sea level. The nearest town is Sparland, 1.9 miles W.
- 1,878residents (2020 Census)
- 486 ftelevation · 148 m
- 1.6 sq miland area · 4.2 km²
- 1,148 / sq mipopulation density
- 61540ZIP code
About Lacon
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.
Text: Wikipedia · CC BY-SA 4.0
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Living in Lacon
- Median household income
- $63,162
- Median home value
- $121,900
- Median rent
- $817/mo
- Median age
- 38.8
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Map of Lacon
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Open in Google Maps ›Lacon, IL population
Lacon had 1,878 residents in the 2020 Census.
| 2020 Census | 1,878 |
|---|---|
| Density | 1,148 per sq mi (443 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Lacon at a glance
| State | Illinois (IL) |
|---|---|
| County | Marshall County |
| Type | City |
| Population | 1,878 (2020) |
| Land area | 1.64 sq mi (4.2 km²) |
| Water area | 0.04 sq mi (0.11 km²) |
| Elevation | 486 ft (148 m) |
| Coordinates | 41.0229° N, 89.4063° W |
| ZIP code | 61540 |
| Official website | laconcity.com |
| Census code (GEOID) | 1740559 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Lacon
- Sparland1.9 mi W
- Hopewell3.8 mi SW
- Henry7.0 mi N
- Chillicothe8.9 mi SW
- Washburn9.3 mi SE
- La Rose9.4 mi E
- Varna9.5 mi E
- Lowpoint11.4 mi SE
- Rome11.5 mi SW
- Magnolia12.7 mi NE
- Toluca14.3 mi E
- McNabb14.8 mi NE
Straight-line distance between town centers.
Frequently asked questions about Lacon
What county is Lacon in?
Lacon is in Marshall County, Illinois.
What is the population of Lacon, IL?
1,878 people lived in Lacon at the 2020 Census.
What is the ZIP code of Lacon, IL?
The ZIP code of Lacon is 61540.
What is the elevation of Lacon?
486 feet (148 m) above sea level.
What towns are near Lacon?
Sparland (1.9 mi), Hopewell (3.8 mi), Henry (7.0 mi), Chillicothe (8.9 mi), Washburn (9.3 mi).
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