E.g., 01/18/2021
E.g., 01/18/2021

State Language Data - IL

Illinois

Language & Education
2018
2000
1990
English Proficiency

Note: The term limited English proficient (LEP) refers to any person age 5 and older who reported speaking English "not at all," "not well," or "well" on their survey questionnaire. Persons who speak only English or who report speaking English "very well" are considered proficient in English.

Note: The term "foreign born" refers to people residing in the United States at the time of the population survey who were not U.S. citizens at birth. The foreign-born population includes naturalized U.S. citizens, lawful permanent immigrants (or green-card holders), refugees and asylees, certain legal nonimmigrants (including those on student, work, or some other temporary visas), and persons residing in the country without authorization.

Foreign Born
English Proficiency (age 5 and older) (%) 1,780,740
Speak only English 12.1%
Speak English "very well" 40.8%
Speak English less than “very well” (LEP) 47.1%
Limited English Proficient (LEP) Population: Change over Time  
% change: 2000-2018 1.5%
% change: 1990-2000 79.2%
English Proficiency of the Foreign Born by U.S. Citizenship Status (age 5 and older)*

Note: The term limited English proficient (LEP) refers to any person age 5 and older who reported speaking English "not at all," "not well," or "well" on their survey questionnaire. Persons who speak only English or who report speaking English "very well" are considered proficient in English. Data for Alaska, Maine, Montana, North Dakota, South Dakota, Vermont, West Virginia, and Wyoming are from the Census Bureau's pooled 2014-2018 American Community Survey (ACS). Data for the United States overall and for the remaining states are from the 2018 ACS.

 
Naturalized citizens 925,592
Speak only English 15.4%
Speak English "very well" 45.7%
Speak English less than “very well” (LEP) 38.9%
Noncitizens 855,148
Speak only English 8.6%
Speak English "very well" 35.5%
Speak English less than “very well” (LEP) 55.9%

Note: The term "U.S. born" refers to people residing in the United States who were U.S. citizens in one of three categories: people born in one of the 50 states or the District of Columbia; people born in U.S. Insular Areas such as Puerto Rico or Guam; or people who were born abroad to at least one U.S. citizen parent.

U.S. Born
English Proficiency (age 5 and older) (%) 10,200,884
Speak only English 87.8%
Speak English ""very well"" 10.6%
Speak English less than “very well” (LEP) 1.7%
Limited English Proficient (LEP) Population: Change over Time  
% change: 2000-2011 -26.1%
% change: 1990-2000 19.5%
   
   
   
   
   
   
   
   
   
Foreign Born
English Proficiency (age 5 and older) (%) 1,509,261
Speak only English 11.5%
"Speak English ""very well"" 33.8%
Speak English less than “very well” (LEP) 54.7%
   
   
   
   
   
   
   
   
   
   
   
   
U.S. Born
English Proficiency (age 5 and older) (%) 10,038,244
Speak only English 91.2%
"Speak English ""very well"" 6.5%
Speak English less than “very well” (LEP) 2.3%
   
   
   
   
   
   
   
   
   
   
   
   
Foreign Born
English Proficiency (age 5 and older) (%) 934,296
Speak only English 15.6%
"Speak English ""very well"" 35.0%
Speak English less than “very well” (LEP) 49.4%
   
   
   
   
   
   
   
   
   
   
   
   
U.S. Born
English Proficiency (age 5 and older) (%) 9,615,969
Speak only English 92.7%
"Speak English ""very well"" 5.3%
Speak English less than “very well” (LEP) 2.0%
   
   
   
   
   
   
   
   
   
   
   
   
 
Population (age 5 and older)
 
 
Language Spoken at Home (by age and English proficiency)

Note: The term limited English proficient (LEP) refers to any person age 5 and older who reported speaking English "not at all," "not well," or "well" on their survey questionnaire. Persons who speak only English or who report speaking English "very well" are considered proficient in English.

Number
Ages 5-17 2,096,346
Speak only English 1,574,607
Speak language other than English 521,739
Speak English "very well"
444,051
Speak English less than “very well” (LEP)
77,688
Speak Spanish 367,862
Speak English "very well"
314,208
Speak English less than “very well” (LEP)
53,654
Ages 18-64 7,894,730
Speak only English 5,918,608
Speak language other than English 1,976,122
Speak English "very well"
1,237,294
Speak English less than “very well” (LEP)
738,828
Speak Spanish 1,147,956
Speak English "very well"
685,041
Speak English less than “very well” (LEP)
462,915
65 and Older 1,990,548
Speak only English 1,674,372
Speak language other than English 316,176
Speak English "very well"
125,373
Speak English less than “very well” (LEP)
190,803
Speak Spanish 124,409
Speak English "very well"
39,772
Speak English less than “very well” (LEP)
84,637
%
65 and Older 100%
Speak only English 75.1%
Speak language other than English 24.9%
Speak English "very well" 21.2%
Speak English less than "very well" (LEP) 3.7%
Speak Spanish 17.5%
Speak English "very well" 15.0%
Speak English less than "very well" (LEP) 2.6%
Ages 18-64 100%
Speak only English 75.0%
Speak language other than English 25.0%
Speak English "very well" 15.7%
Speak English less than "very well" (LEP) 9.4%
Speak Spanish 14.5%
Speak English "very well" 8.7%
Speak English less than "very well" (LEP) 5.9%
Ages 5-17 100%
Speak only English 84.1%
Speak language other than English 15.9%
Speak English "very well" 6.3%
Speak English less than "very well" (LEP) 9.6%
Speak Spanish 6.2%
Speak English "very well" 2.0%
Speak English less than "very well" (LEP) 4.3%
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
 
Population (age 5 and older)
 
 
Language Spoken at Home (detailed, by English proficiency)

Note: 1) The term limited English proficient (LEP) refers to any person age 5 and older who reported speaking English "not at all," "not well," or "well" on their survey questionnaire. Persons who speak only English or who report speaking English "very well" are considered proficient in English. 2) Data for Alaska, Delaware, Hawaii, Idaho, Maine, Mississippi, Montana, North Dakota, South Dakota, Vermont, West Virginia, and Wyoming are from the U.S. Census Bureau's pooled 2014-2018 American Community Survey (ACS). Data for the United States overall and for the remaining states are from the 2018 ACS.

Number
Total Household Population, Age 5 and Older 11,981,624
Speak only English 9,167,587
Speak language other than English 2,814,037
Spanish 1,640,227
Speak English "very well" 1,039,021
Speak English less than “very well” (LEP) 601,206
French (Including Cajun) 32,783
Speak English "very well" 25,624
Speak English less than “very well” (LEP) 7,159
Haitian 5,873
Speak English "very well" 3,722
Speak English less than “very well” (LEP) 2,151
Italian 26,592
Speak English "very well" 19,160
Speak English less than “very well” (LEP) 7,432
Portuguese 7,742
Speak English "very well" 6,452
Speak English less than “very well” (LEP) 1,290
German 29,565
Speak English "very well" 24,235
Speak English less than “very well” (LEP) 5,330
Yiddish, Pennsylvania Dutch or Other West Germanic Languages 5,817
Speak English "very well" 4,580
Speak English less than “very well” (LEP) 1,237
Russian 45,258
Speak English "very well" 26,097
Speak English less than “very well” (LEP) 19,161
Polish 176,936
Speak English "very well" 99,153
Speak English less than “very well” (LEP) 77,783
Other Slavic Languages 68,282
Speak English "very well" 42,379
Speak English less than “very well” (LEP) 25,903
Armenian 1,025
Speak English "very well" 873
Speak English less than “very well” (LEP) 152
Persian (including Farsi, Dari) 9,015
Speak English "very well" 5,542
Speak English less than “very well” (LEP) 3,473
Gujarati 49,766
Speak English "very well" 31,506
Speak English less than “very well” (LEP) 18,260
Hindi 56,063
Speak English "very well" 44,310
Speak English less than “very well” (LEP) 11,753
Urdu 53,710
Speak English "very well" 40,627
Speak English less than “very well” (LEP) 13,083
Punjabi 5,484
Speak English "very well" 3,768
Speak English less than “very well” (LEP) 1,716
Bengali 4,425
Speak English "very well" 3,097
Speak English less than “very well” (LEP) 1,328
Nepali, Marathi, or Other Indic Languages 16,208
Speak English "very well" 12,978
Speak English less than “very well” (LEP) 3,230
Other Indo-European Languages 80,740
Speak English "very well" 57,520
Speak English less than “very well” (LEP) 23,220
Telugu 18,879
Speak English "very well" 16,211
Speak English less than “very well” (LEP) 2,668
Tamil 16,617
Speak English "very well" 13,550
Speak English less than “very well” (LEP) 3,067
Malayalam, Kannada, or Other Dravidian Languages 18,522
Speak English "very well" 14,121
Speak English less than “very well” (LEP) 4,401
Chinese (including Mandarin, Cantonese) 104,259
Speak English "very well" 55,707
Speak English less than “very well” (LEP) 48,552
Japanese 13,763
Speak English "very well" 8,450
Speak English less than “very well” (LEP) 5,313
Korean 41,170
Speak English "very well" 20,095
Speak English less than “very well” (LEP) 21,075
Hmong 737
Speak English "very well" 576
Speak English less than “very well” (LEP) 161
Vietnamese 29,212
Speak English "very well" 11,776
Speak English less than “very well” (LEP) 17,436
Khmer 3,798
Speak English "very well" 2,107
Speak English less than “very well” (LEP) 1,691
Thai, Lao, or Other Tai-Kadai Languages 8,489
Speak English "very well" 3,795
Speak English less than “very well” (LEP) 4,694
Other Languages of Asia 18,309
Speak English "very well" 9,279
Speak English less than “very well” (LEP) 9,030
Tagalog (including Filipino) 84,160
Speak English "very well" 60,605
Speak English less than “very well” (LEP) 23,555
Ilocano, Samoan, Hawaiian, or Other Austronesian Languages 7,233
Speak English "very well" 5,271
Speak English less than “very well” (LEP) 1,962
Arabic 67,795
Speak English "very well" 43,477
Speak English less than “very well” (LEP) 24,318
Hebrew 5,490
Speak English "very well" 5,049
Speak English less than “very well” (LEP) 441
Amharic, Somali, or Other Afro-Asiatic Languages 17,954
Speak English "very well" 10,706
Speak English less than “very well” (LEP) 7,248
Yoruba, Twi, Igbo, or Other Languages of Western Africa 27,027
Speak English "very well" 24,324
Speak English less than “very well” (LEP) 2,703
Swahili or Other Languages of Central, Eastern, and Southern Africa 6,892
Speak English "very well" 5,341
Speak English less than “very well” (LEP) 1,551
Native Languages of North America 1,164
Speak English "very well" 484
Speak English less than “very well” (LEP) 680
Other and Unspecified Languages 7,056
Speak English "very well" 5,150
Speak English less than “very well” (LEP) 1,906
%
Field 306 100%
Field 307 76.5%
Field 308 23.5%
Field 310 100%
Field 310 63.3%
Field 310 36.7%
Field 313 100%
Field 314 78.2%
Field 315 21.8%
Field 316 100%
Field 316 63.4%
Field 316 36.6%
Field 319 100%
Field 319 72.1%
Field 319 27.9%
Field 322 100%
Field 322 83.3%
Field 322 16.7%
Field 325 100%
Field 325 82.0%
Field 325 18.0%
Field 328 100%
Field 328 78.7%
Field 328 21.3%
Field 331 100%
Field 331 57.7%
Field 331 42.3%
Field 334 100%
Field 334 56.0%
Field 334 44.0%
Field 337 100%
Field 337 62.1%
Field 337 37.9%
Field 340 100%
Field 340 85.2%
Field 340 14.8%
Field 343 100%
Field 343 61.5%
Field 343 38.5%
Field 346 100%
Field 346 63.3%
Field 346 36.7%
Field 349 100%
Field 349 79.0%
Field 349 21.0%
Field 352 100%
Field 352 75.6%
Field 352 24.4%
Field 355 100%
Field 355 68.7%
Field 355 31.3%
Field 358 100%
Field 358 70.0%
Field 358 30.0%
Field 361 100%
Field 361 80.1%
Field 361 19.9%
Field 364 100%
Field 364 71.2%
Field 364 28.8%
Field 367 100%
Field 367 85.9%
Field 367 14.1%
Field 370 100%
Field 370 81.5%
Field 370 18.5%
Field 373 100%
Field 373 76.2%
Field 373 23.8%
Field 376 100%
Field 376 53.4%
Field 376 46.6%
Field 379 100%
Field 379 61.4%
Field 379 38.6%
Field 382 100%
Field 382 48.8%
Field 382 51.2%
Field 385 100%
Field 385 78.2%
Field 385 21.8%
Field 388 100%
Field 388 40.3%
Field 388 59.7%
Field 391 100%
Field 391 55.5%
Field 391 44.5%
Field 394 100%
Field 394 44.7%
Field 394 55.3%
Field 397 100%
Field 397 50.7%
Field 397 49.3%
Field 400 100%
Field 400 72.0%
Field 400 28.0%
Field 403 100%
Field 403 72.9%
Field 403 27.1%
Field 406 100%
Field 406 64.1%
Field 406 35.9%
Field 409 100%
Field 409 92.0%
Field 409 8.0%
Field 412 100%
Field 412 59.6%
Field 412 40.4%
Field 415 100%
Field 415 90.0%
Field 415 10.0%
Field 418 100%
Field 418 77.5%
Field 418 22.5%
Field 421 100%
Field 421 41.6%
Field 421 58.4%
Field 424 100%
Field 424 73.0%
Field 424 27.0%
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
Educational Attainment Foreign Born
Population (age 25 and older) 1,603,805
Less than high school diploma 25.4%
High school diploma or GED 23.8%
Some college or associate's degree 17.7%
Bachelor's degree 18.7%
Graduate or professional degree 14.4%
% Foreign Born among Adults with  
Less than high school diploma 44.5%
Bachelor's degree or higher 17.4%
Educational Attainment: Change over Time  
Adults with no high school diploma  
% change: 2000-2018 -9.9%
% change: 1990-2000 43.2%
Adults with a bachelor's degree or higher  
% change: 2000-2018 76.1%
% change: 1990-2000 92.9%
Educational Attainment by U.S. Citizenship Status (foreign-born adults, age 25 and older)

Note: 1) Data for Alaska, Maine, Montana, North Dakota, South Dakota, Vermont, West Virginia, and Wyoming are from the U.S. Census Bureau's pooled 2014-2018 American Community Survey (ACS). Data for the United States overall and for the remaining states are from the 2018 ACS. 2) The letter N Indicates that a number could not be provided by the Census Bureau because the number of sample cases was too small for this state.

 
Naturalized citizens (%) 869,679
Less than high school diploma 19.4%
High school diploma or GED 22%
Some college or associate's degree 21.2%
Bachelor's degree 21.9%
Graduate or professional degree 15.5%
Noncitizens (%) 734,126
Less than high school diploma 32.5%
High school diploma or GED 26%
Some college or associate's degree 13.4%
Bachelor's degree 14.9%
Graduate or professional degree 13.1%
U.S. Born
Population (age 25 and older) 7,102,571
Less than high school diploma 7.2%
High school diploma or GED 26.6%
Some college or associate's degree 30.8%
Bachelor's degree 21.6%
Graduate or professional degree 13.9%
% Foreign Born among Adults with  
Nothing  
Nothing  
Educational Attainment: Change over Time  
Adults with no high school diploma  
% change: 2000-2011 -50.5%
% change: 1990-2000 -27.4%
Adults with a bachelor's degree or higher  
% change: 2000-2011 42.1%
% change: 1990-2000 29.1%
   
   
   
   
   
   
   
   
   
   
   
   
   
Foreign Born
Population (age 25 and older) 1,198,341
Less than high school diploma 37.7%
High school diploma or GED 20.6%
Some college or associate's degree 16.5%
Bachelor's degree 14.1%
Graduate or professional degree 11.1%
% Foreign Born among Adults with  
Less than high school diploma 30.6%
Bachelor's degree or higher 14.5%
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
U.S. Born
Population (age 25 and older) 6,766,503
Less than high school diploma 15.2%
High school diploma or GED 29.0%
Some college or associate's degree 29.6%
Bachelor's degree 16.9%
Graduate or professional degree 9.3%
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
Foreign Born
Population (age 25 and older) 752,190
Less than high school diploma 41.9%
High school diploma or GED 19.8%
Some college or associate's degree 17.4%
Bachelor's degree 11.6%
Graduate or professional degree 9.2%
% Foreign Born among Adults with  
Less than high school diploma 18.3%
Bachelor's degree or higher 10.2%
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
U.S. Born
Population (age 25 and older) 6,522,360
Less than high school diploma 21.6%
High school diploma or GED 31.2%
Some college or associate's degree 26.1%
Bachelor's degree 13.8%
Graduate or professional degree 7.3%
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   

Sources: Migration Policy Institute tabulations of the U.S. Census Bureau American Community Survey (ACS) and Decennial Census. Unless stated otherwise, 2018 data are from the one-year ACS file. For information about ACS definitions, methodology, sampling error, and nonsampling error, click here. Estimates from 1990 and 2000 Decennial Census data as well as ACS microdata are from Steven Ruggles, Sarah Flood, Ronald Goeken, Josiah Grover, Erin Meyer, Jose Pacas, and Matthew Sobek. Integrated Public Use Microdata Series (IPUMS) USA: Version 8.0 [dataset]. Minneapolis, MN: IPUMS, 2018. https://doi.org/10.18128/D010.V8.0.

Definitions

  • The term "foreign born" refers to people residing in the United States at the time of the population survey who were not U.S. citizens at birth. The foreign-born population includes naturalized U.S. citizens, lawful permanent immigrants (or green-card holders), refugees and asylees, certain legal nonimmigrants (including those on student, work, or some other temporary visas), and persons residing in the country without authorization.
  • The term "U.S. born" refers to people residing in the United States who were U.S. citizens in one of three categories: people born in one of the 50 states or the District of Columbia; people born in U.S. Insular Areas such as Puerto Rico or Guam; or people who were born abroad to at least one U.S. citizen parent.
  • The term limited English proficient (LEP) refers to any person age 5 and older who reported speaking English “not at all,” “not well,” or “well” on their survey questionnaire. Persons who speak only English or who report speaking English “very well” are considered proficient in English.

Data-related notes

  • The letter N indicates that an estimate could not be provided by the Census Bureau because the number of sample cases was too small for this state.
  • For “English proficiency of the foreign born by U.S. citizenship status” and “Educational Attainment by U.S. Citizenship Status”: Data for Alaska, Maine, Montana, North Dakota, South Dakota, Vermont, West Virginia, and Wyoming are from the Census Bureau's pooled 2014-2018 American Community Survey (ACS). Data for the United States overall and for the remaining states are from the 2018 ACS. 
  • For “Language Spoken at Home (detailed, by English proficiency)”: Data for Alaska, Delaware, Hawaii, Idaho, Maine, Mississippi, Montana, North Dakota, South Dakota, Vermont, West Virginia, and Wyoming are from the U.S. Census Bureau's pooled 2014-2018 American Community Survey (ACS). Data for the United States overall and for the remaining states are from the 2018 ACS.