Manor is a city in Travis County, Texas, United States. It is part of the Austin-Round Rock metropolitan area. The population was 1,204 at the 2000 census; it was 1,877 in the 2005 census estimate. The appoximate population for the City of Manor is 5,500, which is calculated from the number of utility service connections. Manor was so named in 1872 after the town's original Postmaster James Manor.