| Fairfield, founded in 1910, is a city in Jefferson County, Alabama, United States and a suburb of Birmingham. The population was 12,381 at the 2000 census. As of 2006, the Census estimates the population to be 11,547. Originally named Corey, it was planned as a model city by the Tennessee Coal, Iron and Railroad Company to house workers in their Fairfield Works plant, now owned by U.S. Steel. |