| Official Name: | Bloomfield, Illinois |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Illinois#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Adams |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.36 |
| Area Land Km2: | 1.35 |
| Area Water Km2: | 0.01 |
| Area Total Sq Mi: | 0.53 |
| Area Land Sq Mi: | 0.52 |
| Area Water Sq Mi: | 0.01 |
| Population As Of: | 2020 |
| Population Total: | 32 |
| Population Density Km2: | 23.76 |
| Population Density Sq Mi: | 61.54 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 732 |
| Coordinates: | 40.0208°N -91.3072°W |
| Area Code: | 217 |
| Blank Name: | FIPS code |
| Blank Info: | 17-06565 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 422477 |
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 9miles north of Quincy.
Bloomfield was platted ca. 1837.[2]
Bloomfield is located at . According to the 2021 census gazetteer files, Bloomfield has a total area of 0.53sqmi, of which 0.52sqmi (or 99.05%) is land and 0.01sqmi (or 0.95%) is water.[3]
As of the 2020 census[4] there were 32 people, 18 households, and 18 families residing in the CDP. The population density was 60.95PD/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.