Westmorland is a city in Imperial County, California. Westmorland is located 8.5 miles southwest of Calipatria. The population was 2,014 at the 2020 census, down from 2,225 at the 2010 census, up from 2,131 in 2000. It is part of the El Centro Metropolitan Area. The mayor of Westmorland is Ana Beltran.