Lawrenceville is a city in and the county seat of Lawrence County, Illinois, United States, located along the Embarras River. As of the 2020 census, Lawrenceville had a population of 4,164. Lawrenceville is located in southeast Illinois, northwest of Vincennes, Indiana.

Geography

thumb|left|alt=Lawrenceville High School.|[[Lawrenceville High School.]]

According to the 2021 census gazetteer files, Lawrenceville has a total area of , all land.

Climate

According to the Köppen Climate Classification system, Lawrenceville has a humid subtropical climate, abbreviated "Cfa" on climate maps. The hottest temperature recorded in Lawrenceville was on June 29, 2012, while the coldest temperature recorded was on January 19, 1994.

|source 2 = National Weather Service

Demographics

2020 census

As of the 2020 census, Lawrenceville had a population of 4,164 and 1,796 households. The population density was . There were 2,071 housing units at an average density of .

Of households, 26.9% had children under the age of 18 living in them. 35.1% were married-couple households, 20.3% were households with a male householder and no spouse or partner present, and 35.5% were households with a female householder and no spouse or partner present. About 37.3% of all households were made up of individuals, and 18.4% had someone living alone who was 65 years of age or older.