Browse / United States / Illinois / Lacon
Lacon
Illinoiscity
Lacon
Total population
1,916
Median home value
$121,900
Bachelor's+
Median income
$63,162
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
- Flood Watch · SevereFlood Watch issued September 16 at 8:28PM CDT until September 17 at 10:00AM CDT by NWS Lincoln IL
Source: NOAA National Weather Service.
City facts
Facts from Wikidata (CC0).
Overview
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.
Read more on WikipediaHistory & geography
History
Lacon was named after Laconia, a region of Greece. Lacon was established in 1831 and is the oldest town in Marshall, Putnam, Bureau, and Stark Counties. On August 6, 1831, it was laid out as the town of Columbia. The community of Lacon, Alabama, now a ghost town, was named after Lacon. All that remains of Lacon, Alabama is a flea market.
Geography
Lacon is located in central Marshall County on the east shoreline of the Illinois River. Illinois Route 17 passes through the city center as Ferry Street, leading west across the Illinois River on the Lacon Bridge into Sparland. Route 17 leads east to Wenona and west to Wyoming. Illinois Route 26 also runs through the center of Lacon, following Prairie Street. It leads northeast up the Illinois River valley to Hennepin and south along the river to East Peoria. According to the U.S. Census Bureau, Lacon has a total area of , of which are land and , or 2.5%, are water. }}
Excerpted from the corresponding Wikipedia article (CC BY-SA).
Demographics & economy
Race & ethnicity
Source: US Census Bureau — American Community Survey, 5-year estimates.
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for Lacon, IL from NOAA NWS API.
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Walkability
Amenities nearby
Wildlife & biodiversity
Most-observed species
- American RobinTurdus migratorius Linnaeus, 1766 · Aves2,196
- Northern CardinalCardinalis cardinalis (Linnaeus, 1758) · Aves2,032
- Blue JayCyanocitta cristata (Linnaeus, 1758) · Aves2,008
- Red-bellied WoodpeckerMelanerpes carolinus (Linnaeus, 1758) · Aves1,913
- American CrowCorvus brachyrhynchos C.L.Brehm, 1822 · Aves1,752
- White-breasted NuthatchSitta carolinensis Latham, 1790 · Aves1,715
- European StarlingSturnus vulgaris Linnaeus, 1758 · Aves1,706
- Canada Goose (canadensis Group)Branta canadensis (Linnaeus, 1758) · Aves1,673
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Earthquake history
Most recent
- M 2.6 — 2025-03-156 km W of Dwight, Illinois
- M 3.1 — 2024-07-152 km WNW of Somonauk, Illinois
- M 3.6 — 2023-11-151 km SSW of Standard, Illinois
- M 4.2 — 2004-06-2812 km NW of Dayton, Illinois
Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).
Photos
Sights & places nearby
Notable people from here
Nearby places in Illinois
Geography & sun
Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.
Nearby airports
Public attention
Pageview totals from the Wikimedia Pageviews API.
Books about Lacon


Search results from Open Library.
Recent natural events nearby
Ground air-quality sensors
Recently spotted species









Research-grade observations from iNaturalist (within ~15 mi).
Nearest stream gauge
Events
Gallery
Sources
- • Wikipedia
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • Wikidata
- • USGS Earthquake Catalog (global feed)
- • GBIF (Global Biodiversity Information Facility)
- • iNaturalist
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library