Bloomfield, Adams County, Illinois

Bloomfield is an unincorporated community and census-designated place in Ellington and Mendon Townships, Adams County, Illinois, United States. Bloomfield is located on Illinois Route 336 about 9 mi north of Quincy.

Bloomfield was platted ca. 1837.

Geography
Bloomfield is located at 40.0172°N, -91.30495°W. According to the 2021 census gazetteer files, Bloomfield has a total area of 0.53 sqmi, of which 0.52 sqmi (or 99.05%) is land and 0.01 sqmi (or 0.95%) is water.

Demographics
As of the 2020 census there were 32 people, 18 households, and 18 families residing in the CDP. The population density was 60.95 PD/sqmi. There were 14 housing units at an average density of 26.67 /sqmi. The racial makeup of the CDP was 96.88% White, and 3.13% from other races.