Languages spoken in Oklahoma

Of 3,782,477 residents of Oklahoma aged 5 and over, 435,129 (11.5%) speak a language other than English at home, and 160,099 (4.2%) speak English less than "very well".

The most common non-English language is Spanish with 305,840 speakers, followed by Vietnamese (15,905).

Limited-English-proficiency counts are the best public proxy for local demand for interpreters and document translation in healthcare, courts, schools and social services.