Latham is a village in Logan County, Illinois, United States. As of the 2020 census, Latham had a population of 333. History Latham was platted in 1871 and named in honor of Robert B. Latham, a railroad official. A post office called Latham has been in operation since 1872.

Geography Latham is located in southeastern Logan County. Illinois Route 121 passes around the north and east sides of the village, leading northwest to Mount Pulaski and to Lincoln, the county seat, while to the southeast it leads to Warrensburg and to Decatur.

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

Demographics As of the 2020 census there were 333 people, 149 households, and 84 families residing in the village. The population density was . There were 191 housing units at an average density of . The racial makeup of the village was 94.29% White, 0.00% African American, 0.00% Native American, 0.30% Asian, 0.00% Pacific Islander, 0.30% from other races, and 5.11% from two or more races. Hispanic or Latino of any race were 0.60% of the population.

There were 149 households, out of which 20.8% had children under the age of 18 living with them, 46.31% were married couples living together, 6.04% had a female householder with no husband present, and 43.62% were non-families. 12.75% of all households were made up of individuals, and 2.68% had someone living alone who was 65 years of age or older. The average household size was 2.95 and the average family size was 2.38.

The village's age distribution consisted of 19.4% under the age of 18, 19.7% from 18 to 24, 14.7% from 25 to 44, 28.4% from 45 to 64, and 17.7% who were 65 years of age or older. The median age was 39.1 years. For every 100 females, there were 129.0 males. For every 100 females age 18 and over, there were 116.7 males.

The median income for a household in the village was $54,309, and the median income for a family was $66,250. Males had a median income of $41,411 versus $24,000 for females. The per capita income for the village was $26,002. About 7.1% of families and 11.3% of the population were below the poverty line, including 20.3% of those under age 18 and 0.0% of those age 65 or over.

Education It is in the Warrensburg-Latham Community Unit School District 11. - Text list

Notable people Chad Gray, (b. 1971) singer in heavy metal band Mudvayne and the Super Group HELLYEAH Eugene Earl "Junior" Thompson, (1917 - 2006) pitcher for the Cincinnati Reds and New York Giants

References