A linguistically isolated household is one in which no member 14 years old and over (1) speaks only English or (2) speaks a non-English language and speaks English “very well.” In other words, all members 14 years old and over have at least some difficulty with English.

Our interactive map lets users view linguistic isolation data by year and either Spanish or other languages spoken. Users also can hover their cursor over individual counties to get the specific results for that county.

Overview

IECAM’s searchable database contains data on the following linguistic isolation variables from the U.S. Census Bureau:

  • Number of households speaking Spanish at home that are linguistically isolated
  • Number of households speaking other non-English languages at home that are linguistically isolated

Geographic Regions:
Data on linguistic isolation by household are available by the following geographic regions: state of IL, counties, townships, municipalities, ISBE regions, IDHS regions, IL state senate districts, IL state house districts, US federal congressional districts.

Definition from U.S. Census Bureau:
A linguistically isolated household is one in which no member 14 years old and over (1) speaks only English or (2) speaks a non-English language and speaks English “very well.” In other words, all members 14 years old and over have at least some difficulty with English. (U.S. Census Bureau. Census 2000)

For additional details, see the Demographic: Language page.

How find these data:
To find data on linguistically isolated households, go to the IECAM Data Collection page.

After selecting a region (e.g., County) and an instance of a region (e.g., Champaign County), select “Language” in the demographics section and click on the Submit button.

Spreadsheets (by year):

  • 2010-latest available data: all
  • 2009: state, county, township, municipality

Maps (by year):

  • 2009-latest available data: county (speaking Spanish; languages other than English or Spanish)
TypeFile name and linkCaptionSize

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2009 Static MapLinguistically isolated households925.4k

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2009 SpreadsheetLinguistically isolated households97.1k

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2010 Static MapLinguistically isolated households941k

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2010 SpreadsheetLinguistically isolated households272.5k

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2011 Static MapLinguistically isolated households947k

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2011 SpreadsheetLinguistically isolated households268.8k

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2012 Static MapLinguistically isolated households877.8k

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2012 SpreadsheetLinguistically isolated households354.6k

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2013 Static MapLinguistically isolated households875.8k

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2013 SpreadsheetLinguistically isolated households564.6k

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2014 Static MapLinguistically isolated households810.6k

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2014 SpreadsheetLinguistically isolated households564.9k

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2015 Static MapLinguistically isolated households1M

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2015 SpreadsheetLinguistically isolated households545.9k

Source of data: IECAM, based on several estimates from the Census Bureau

Note: Languages are those used by U.S. Census Bureau, American Community Survey.

Note: Data are based on answer to questions: “Does this person speak a language other than English at home?” and “What is this language?”

Note: For children age 5, use language of child. For children under age 5, use language of mother; if not mother present, use language of father; if no father present, use language of head of household; if no head of household present, indicate unknown. Thus, the data represent the language spoken by the child or likely being learned by the child.

Note: The fact that a child is reported as speaking or learning one of these non-English languages does not imply that the child does not know or is not learning English also.

Note: View more information on IPUMS.

Note: View more information on PUMAs.

Note: A full explanation of the methodology that IECAM uses to create estimates can be found via the Data Releases & Methodology page.

Note: The data for the years 2005 through the most recent available (for all regions) can be found via the Tabular Data Search page.