Adams is an unincorporated town in Burton Township, Adams County, Illinois, United States, approximately southeast of Quincy. It is tracked by the census bureau as a census-designated place.
Adams was laid out in 1838 and as of the 2020 census, had a population of 75.
According to the 2021 census gazetteer files, the area encompassed by the CDP has a total area of , all land.
As of the 2020 census there were 75 people, 28 households, and 16 families residing in the CDP. The population density was . There were 35 housing units at an average density of . The racial makeup of the CDP was 93.33% White, 1.33% African American, 0.00% Native American, 0.00% Asian, 0.00% Pacific Islander, 0.00% from other races, and 5.33% from two or more races. Hispanic or Latino of any race were 1.33% of the population.
The school district for most areas is Payson Community Unit School District 1. A portion is in the Liberty Community Unit School District 2. The comprehensive high school of the Payson district is Payson-Seymour High School, and the comprehensive high school of the Liberty district is Liberty High School.