Language numbers are provided for:
- 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
Source of data: U. S. Census Bureau. Census 2000 Summary File 4 (SF 4) – Sample Data. PCT42. HOUSEHOLD LANGUAGE BY LINGUISTIC ISOLATION  – Universe: Households
Date of data: 2000
Note: The U.S. Census Bureau defines “linguistically isolated” as follows:
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)