Byram is a neighborhood/section and census-designated place (CDP) in the town of Greenwich in Fairfield County, Connecticut, United States. It had a population of 4,146 at the 2010 census, and a census-estimated population of 4,216 in 2018. An endcap of Connecticut's Gold Coast, Byram is the southernmost point in the town of Greenwich and the U.S. state of Connecticut. It is separated from Port Chester, Westchester County, New York, by the Byram River. Byram was once known as East Port Chester. History The town of Greenwich is one political and taxing body, but consists of several distinct sections or neighborhoods, such as Banksville, Byram, Cos Cob, Glenville, Mianus, Old Greenwich, Riverside and Greenwich (sometimes referred to as central, or downtown, Greenwich). Of these neighborhoods, three (Cos Cob, Old Greenwich, and Riverside) have separate postal names and ZIP codes. Byram Quarry, now closed, supplied stone for the Brooklyn Bridge, the base of the Statue of Liberty and St. Roch Church. Geography According to the United States Census Bureau, Byram has a total area of , of which is land and , or 7.32%, is water. Culture A scene from the movie The Good Shepherd was shot in Byram. Places Byram has three sites on the National Register of Historic Places: Phebe Seaman House (1794), 170 Byram Road; built c. 1794 Thomas Lyon House — 1 Byram Road; built: c. 1695, listed: 1977 Byram School — Western Junior Highway; built: 1925, listed: 1990 Library Byram Shubert Library Notes Neighborhoods in Connecticut Greenwich, Connecticut Census-designated places in Fairfield County, Connecticut Census-designated places in Connecticut