| McLeansboro, Illinois | |
| Settlement Type: | City |
| Etymology: | William McLean |
| Image Map1: | Illinois in United States (US48).svg |
| Map Caption1: | Location of Illinois in the United States |
| Coordinates: | 38.0903°N -88.5386°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Hamilton |
| Subdivision Type3: | Township |
| Subdivision Name3: | McLeansboro |
| Established Title: | Founded |
| Leader Title: | Mayor |
| Leader Title1: | Mayor |
| Leader Name1: | Chad May |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 7.45 |
| Area Total Sq Mi: | 2.87 |
| Area Land Km2: | 7.11 |
| Area Land Sq Mi: | 2.74 |
| Area Water Km2: | 0.34 |
| Area Water Sq Mi: | 0.13 |
| Elevation Ft: | 453 |
| Population As Of: | 2020 |
| Population Total: | 2675 |
| Population Density Km2: | 376.37 |
| Population Density Sq Mi: | 974.85 |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
| Postal Code Type: | ZIP Code(s) |
| Postal Code: | 62859 |
| Area Code: | 618 |
| Blank Name: | FIPS code |
| Blank Info: | 17-45824 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2395074 |
| Blank2 Name Sec2: | Wikimedia Commons |
| Blank2 Info Sec2: | McLeansboro, Illinois |
McLeansboro is a city in Hamilton County, Illinois, United States. The population was 2,675 at the 2020 census.[2] It is the county seat of Hamilton County.[3]
McLeansboro is part of the Mount Vernon, Illinois micropolitan area.
According to the 2021 census gazetteer files, McLeansboro has a total area of 2.87sqmi, of which 2.74sqmi (or 95.48%) is land and 0.13sqmi (or 4.52%) is water.[4]
The city was named for Dr. William McLean, an early settler who had resided there in 1821.[5]
As of the 2020 census there were 2,675 people, 1,114 households, and 661 families residing in the city. The population density was 930.76PD/sqmi. There were 1,365 housing units at an average density of 474.95/sqmi. The racial makeup of the city was 94.02% White, 0.97% African American, 0.37% Native American, 0.26% Asian, 0.00% Pacific Islander, 0.60% from other races, and 3.78% from two or more races. Hispanic or Latino of any race were 1.98% of the population.
There were 1,114 households, out of which 29.2% had children under the age of 18 living with them, 43.99% were married couples living together, 11.04% had a female householder with no husband present, and 40.66% were non-families. 32.05% of all households were made up of individuals, and 23.97% had someone living alone who was 65 years of age or older. The average household size was 2.71 and the average family size was 2.19.
The city's age distribution consisted of 19.5% under the age of 18, 7.3% from 18 to 24, 29% from 25 to 44, 22.8% from 45 to 64, and 21.3% who were 65 years of age or older. The median age was 42.1 years. For every 100 females, there were 80.1 males. For every 100 females age 18 and over, there were 85.6 males.
The median income for a household in the city was $55,714, and the median income for a family was $61,652. Males had a median income of $52,548 versus $20,625 for females. The per capita income for the city was $27,621. About 11.0% of families and 15.9% of the population were below the poverty line, including 24.0% of those under age 18 and 11.1% of those age 65 or over.