Westchester County’s population grew by 3% from 923,459 to 949,113 between the 2000 and 2010 Census, a higher rate of growth than the New York State average of 2% during this period but lower than the nation’s growth at 10%. The largest percentage gains during the decade were in Harrison (14%), Somers (11%), and Rye Brook (9%); the largest numeric increases were in New Rochelle (4,880), White Plains (3,776), and Harrison (3,318).
The Census Bureau recorded population loss in 10 Westchester County municipalities. The largest percentage losses were found in Larchmont (-10%), Scarsdale (-4%), and Bedford (-4%); numeric losses were greatest in Mount Vernon (-1,089), Bedford (-798), and Scarsdale (-657).
Population gain in Westchester was largely fueled by an increase in the population who identify as Hispanic or Latino. The Hispanic population grew by 62,908 and now constitute 22% of the county’s population. Every municipality in the county recorded a gain in Hispanic population. Hispanic or Latino population now constitute a majority in Port Chester (59%) and Sleepy Hollow (51%).