Fairfield [Fairfield County] was settled in 1639 and named, possibly, from Fairfield in Kent. Its Native American name is "Uncoway".Area, 31.3 sq. miles. Population, 2000 Census, 57,340. Voting districts, 10. Principal industries, the manufacture of bearings, gears, wire screens, and coated fabrics, refining precious metals, and headquarters of major corporations.Fairfield includes the area known as Southport.