by at least 1 million people , age 5 or older, in 2011:
Spanish 37.6 million of whom 2.8 million are not of Hispanic origin
Chinese 2.8
Hindi, Urdu or other Indic 2.2
French 2.1
Tagalog 1.7
Vietnamese 1.4
German 1.2
Korean 1.1
Chinese includes both Mandarin and Cantonese
Indic includes Bengali, Punjabi, Marathi, Guajarati, etc.
French includes as well Creole French
and if you did not know, Tagalog is found in Philippines
followed a link on Twitter to get to this Pew Research piece
Peace.