41.4% of San Diego, CA citizens are speakers of a non-English language, which is higher than the national average of 21.9%. In 2018, the most common non-English language spoken in San Diego, CA was Spanish. 23% of the overall population of San Diego, CA are native Spanish speakers. 3.67% speak Tagalog (Incl. Filipino) and 2.79% speak Spanish, the next two most common languages.