U.S. Census Bureau U.S. and World Population Clock
U.S. Census Data on "World Region of Birth of Foreign Born," "Language(s) Spoken at Home," and "Ancestry" (Scroll down for these sections of data. You can also click on "Add/Remove Geographies" and see all these data just for Mechanicsburg if you use the
"Immigrants in Pennsylvania" Factsheet from American Immigration Council
