West Yarmouth is a census-designated place located in the U.S. state of Massachusetts. It is within Barnstable County in the town of Yarmouth. It has a total area of 9.1 square miles at 41°38′58″N 70°14′47″W. The elevation is 20 feet above sea level. As of the 2010 census data, it had a total population of 6,012. The population density was 900/sq mi. Estimated per capita income in 2016 was $38,043. Recent job growth is positively increased by 0.68 percent. The average travel time is 24 minutes. It has Zip code 02673.