| Ophiem, Illinois | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Ophiem |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Henry County |
| Subdivision Type3: | Township |
| Subdivision Name3: | Lynn Township |
| Elevation M: | 227 |
| Elevation Ft: | 745 |
| Coordinates: | 41.2525°N -90.3875°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 61468 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 415140 |
| Population As Of: | 2020 |
| Population Total: | 123 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 3.06 |
| Area Total Sq Mi: | 1.18 |
| Area Land Km2: | 3.06 |
| Area Water Km2: | 0.00 |
| Area Land Sq Mi: | 1.18 |
| Area Water Sq Mi: | 0.00 |
| Population Density Sq Mi: | 104.06 |
| Population Density Km2: | 40.17 |
Ophiem is an unincorporated community in Lynn Township, Henry County, Illinois, United States.
It was founded in 1850 by Johannes and Carl Johan Samuelson, who named it "Opphem", after their family farm in Sweden.
A post office was established in 1871.[2]