People who speak Spanish

19.8% of Westchester County residents speak Spanish at home. Most Spanish-speakers in the county speak English "well" or "very well," while 24.5% of Spanish-speakers (4.9% of the total county population) do not speak English well. People who speak Spanish who don't speak English well are concentrated in Sleepy Hollow (22.9% of the village population), Port Chester (17.8%), Ossining (16.9%), and Elmsford (12.5%).

People who speak other Indo-European languages

8.3% of County residents speak an Indo-European language other than Spanish at home. Only 9.8% of these (0.8% of the county population) do not speak English well. Indo-European speakers who do not speak English well are not particularly concentrated in certain municipalities, but their ranks are highest in Mamaroneck Village (1.5%), Rye Brook (1.4%), Mount Vernon (1.2%), and Yonkers (1.2%).

People who speak Asian and Pacific Islander languages

3.7% of County residents speak an Asian or Pacific Island language at home. 15.5% of these people do not speak English well, representing 0.6% of the total county population. Asian Language speakers who do not speak English well are concentrated in Harrison (2.9%), Ardsley (2.3%), Greenburgh (1.3%), and Scarsdale (1.2%).

 Table
 Ability to Speak English for Spanish Speakers, 2013-2017
 Ability to Speak English for Indo-European Speakers, 2013-2017
 Ability to Speak English for Speakers of Asian Languages, 2013-2017