[Porterville]

when massive immigration leads to an economy where the average income is $6000 (even less) to $8000 a year per family

Where do the above stats, in your post before, say "per family?" Cite your source.

[FITZ]

Yes I should have cited my source --- here you go:

Colonias FAQ's (Frequently Asked Questions)

http://www.sos.state.tx.us/border/colonias/faqs.shtml

Per capita annual income for all Texas counties bordering Mexico-where most of the colonias are located-tends to be much lower than the state average of $16,717. In border counties such as Starr, Maverick and Hidalgo, per capita annual incomes in 1994 were $5,559, $7,631 and $8,899, respectively.