Lomax is an unincorporated community in Railroad Township, Starke County, Indiana.
In 1882, the Chicago and Atlantic Railway constructed its line from Columbus, Ohio, to Chicago, Illinois. The railroad constructed a depot and named it Lomax Station. Several communities, including Lomax, grew up at its stops.
The Standard Oil Company built a steam-powered pumping station for a pipeline, running alongside the tracks, connecting an oilfield in Ohio to a refinery in Whiting, Indiana. The pumping station "consisted of five brick buildings, a boiler house, pump house, gate/valve house, telegraph office and a dormitory." The pumping station was demolished in 1933.
There was a one-room schoolhouse c. 1912.