McLeansboro () is a city and the county seat of Hamilton County, Illinois, Illinois, United States. The population was 2,675 at the 2020 census.

McLeansboro is part of the Mount Vernon, Illinois micropolitan area.

History

thumb|left|McLeansboro in 1938

The city was named for Dr. William McLean, an early settler who had resided there in 1821.

On September 26, 1911 one of the first air mail deliveries was made to McLeansboro by pilot Horace Kearney. In 1940 a post office lobby mural was commissioned honoring the event, depicting a plane flying over a grassy field surrounded by circus tents and residents of McLeansboro.

thumb|left|Mural study for McLeansboro, Illinois Post Office by [[Dorothea Mierisch.]]

Geography

According to the 2021 census gazetteer files, McLeansboro has a total area of , of which (or 95.48%) is land and (or 4.52%) is water.

Climate

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Demographics

2020 census

As of the 2020 census, McLeansboro had a population of 2,675. There were 1,198 households and 661 families residing in the city. The population density was . There were 1,365 housing units at an average density of .

Of all households, 26.8% had children under the age of 18 living in them, 34.2% were married-couple households, 21.3% were households with a male householder and no spouse or partner present, and 37.6% were households with a female householder and no spouse or partner present. About 40.3% of all households were made up of individuals and 21.8% had someone living alone who was 65 years of age or older.

  • Henry C. Warmoth, 23rd Governor of Louisiana

See also

  • Hamilton County Courthouse (Illinois)
  • 1968 Illinois earthquake

References

Further reading

  • History of Southern Illinois, George Washington Smith, 1912.
  • Hamilton County Historical Society
  • Hamilton County Chamber of Commerce