# Lacon, Illinois

Lacon is a city in, and the county seat of, Marshall County, Illinois, United States. It is part of the Peoria Metropolitan Statistical Area. The population was 1,878 at the 2020 census, down from 1,937 in 2010.

## 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 town grew in population after the Black Hawk War.
A Temperance Society was formed July 28, 1836. A Presbyterian Church organized in 1837. A post-office was established in 1837. A newspaper called The Lacon Herald published in December 1837. The name changed from Columbia to Lacon on January 19, 1837. The town expanded with a purchase of an addition on July 3, 1837.
The Marshall County Courthouse was built in 1840 and a county jail in 1844. On June 27, 1842, President Martin Van Buren paid a brief visit to the town.
Lacon was the site of the lynching of F. W. Stewart in 1898.

## Geography

* Lacon in September 2018
* The Lacon Bridge across the Illinois River, technically a continuous truss bridge
Lacon is located in central Marshall County at 41°01′26″N 89°24′28″W﻿ / ﻿41.023904°N 89.407669°W﻿ / 41.023904; -89.407669. It is situated 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 20 miles (32 km) to Wenona and west 21 miles (34 km) to Wyoming. Illinois Route 26 also runs through the center of Lacon, following Prairie Street. It leads northeast up the Illinois River valley 19 miles (31 km) to Hennepin and south along the river 28 miles (45 km) to East Peoria.
According to the U.S. Census Bureau, Lacon has a total area of 1.641 square miles (4.25 km$^2$), of which 1.6 square miles (4.14 km$^2$) are land and 0.041 square miles (0.11 km$^2$), or 2.5%, are water.

### Climate

Climate data for Lacon, Illinois (1991–2020) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °F (°C) | 33.8 (1.0) | 38.3 (3.5) | 51.4 (10.8) | 64.5 (18.1) | 75.0 (23.9) | 84.4 (29.1) | 87.0 (30.6) | 85.6 (29.8) | 79.6 (26.4) | 66.6 (19.2) | 51.2 (10.7) | 38.3 (3.5) | 63.0 (17.2) |
| Daily mean °F (°C) | 25.9 (−3.4) | 29.9 (−1.2) | 41.4 (5.2) | 52.9 (11.6) | 63.3 (17.4) | 72.8 (22.7) | 76.0 (24.4) | 74.3 (23.5) | 67.4 (19.7) | 55.0 (12.8) | 41.9 (5.5) | 30.8 (−0.7) | 52.6 (11.5) |
| Mean daily minimum °F (°C) | 18.0 (−7.8) | 21.5 (−5.8) | 31.3 (−0.4) | 41.4 (5.2) | 51.7 (10.9) | 61.2 (16.2) | 65.1 (18.4) | 63.0 (17.2) | 55.1 (12.8) | 43.5 (6.4) | 32.6 (0.3) | 23.2 (−4.9) | 42.3 (5.7) |
| Average precipitation inches (mm) | 2.07 (53) | 2.06 (52) | 2.65 (67) | 4.00 (102) | 4.76 (121) | 4.29 (109) | 3.97 (101) | 3.33 (85) | 3.30 (84) | 3.16 (80) | 2.63 (67) | 2.17 (55) | 38.39 (976) |
| Average snowfall inches (cm) | 8.1 (21) | 6.2 (16) | 3.2 (8.1) | 0.7 (1.8) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.1 (0.25) | 1.1 (2.8) | 5.2 (13) | 24.6 (62.95) |
| Source: NOAA ||||||||||||||

## Demographics

As of the census of 2000, there were 1,979 people, 797 households, and 540 families residing in the city. The population density was 1,233.9 inhabitants per square mile (476.4/km$^2$). There were 852 housing units at an average density of 531.2 per square mile (205.1/km$^2$). The racial makeup of the city was 80.09% White, 7.10% African American, 0.10% Native American, 0.20% Asian, 0.10% from other races, and 0.40% from two or more races. Hispanic or Latino of any race were 12.91% of the population.
There were 797 households, out of which 28.1% had children under the age of 18 living with them, 55.6% were married couples living together, 7.9% had a female householder with no husband present, and 32.2% were non-families. 28.6% of all households were made up of individuals, and 15.4% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.87.
In the city, the population was spread out, with 21.7% under the age of 18, 7.0% from 18 to 24, 25.4% from 25 to 44, 21.9% from 45 to 64, and 24.1% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 88.8 males. For every 100 females age 18 and over, there were 83.6 males.
The median income for a household in the city was $40,203, and the median income for a family was $47,670. Males had a median income of $36,250 versus $20,694 for females. The per capita income for the city was $18,309. About 3.6% of families and 5.0% of the population were below the poverty line, including 6.2% of those under age 18 and 5.2% of those age 65 or over.

## Notable people

* Charles N. Barnes, Illinois politician and lawyer
* Robert Boal, Illinois politician
* Lucy Page Gaston, anti-tobacco crusader
* Valerie Allen Marland, First Lady of West Virginia (1953-1957)
* Michael P. McCuskey (born 1948), United States district judge of the United States District Court for the Central District of Illinois. He is a past resident of Lacon.
* Robert V. McGarvey, U.S. National Champion racehorse trainer
* Nellie Bangs Skelton, composer and pianist
* Robert Sproull, educator and physicist