US language data · 2024 ACS 5-year

Languages spoken in Illinois

Of 12,003,587 residents of Illinois aged 5 and over, 2,886,369 (24.0%) speak a language other than English at home, and 1,074,861 (9.0%) speak English less than "very well".

The most common non-English language is Spanish with 1,681,635 speakers, followed by Polish (164,756).

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

Language spoken at homeSpeakers (5+)Speak English < “very well”
Spanish↗1,681,635659,015
Polish↗164,75670,088
Chinese (incl. Mandarin, Cantonese)↗107,78252,430
Tagalog (incl. Filipino)↗85,34321,796
Arabic↗72,62522,373
Urdu↗59,87615,300
Ukrainian or other Slavic languages↗54,28424,860
Other Indo-European languages ↗53,79218,043
Gujarati↗48,50418,786
Russian↗46,89719,090
Hindi↗46,1027,733
Korean↗41,40220,671
French (incl. Cajun)↗36,5179,890
Serbo-Croatian↗32,47811,337
German↗30,6494,146
Yoruba, Twi, Igbo, or other languages of Western Africa↗30,1917,188
Telugu↗24,4264,153
Greek↗24,3545,821
Italian↗24,0576,219
Other languages of Asia ↗22,62610,592
Vietnamese↗21,98111,248
Amharic, Somali, or other Afro-Asiatic languages↗20,7967,920
Malayalam, Kannada, or other Dravidian languages↗18,4685,089
Tamil↗15,3752,598
Nepali, Marathi, or other Indic languages↗15,2684,649
Japanese↗12,9434,882
Thai, Lao, or other Tai-Kadai languages↗11,0125,832
Portuguese↗10,9142,301
Persian (incl. Farsi, Dari)↗9,7693,349
Ilocano, Samoan, Hawaiian, or other Austronesian languages ↗9,1522,872

Source: U.S. Census Bureau, American Community Survey 2024 5-year estimates, table B16001. Estimates have margins of error.