Snapshots of the Region–Percent Limited English Proficiency–IndoAsianOthers May 19, 2017 by Karyl Fuller As seen on the map below, Isothermal RPO has two block groups that have a population where at least 5% of the population speaks English less than well and whose native language in the Asian family. Click on map for a higher resolution map Share this:FacebookEmailTwitterMorePrintLike this:Like Loading...