[systematic]

with all the illegals, Hispanics are probably over 20%

[seastay]

for CA to get an idea look here, this is an interactive map showing the percentage of non citizens living by zip code, larger areas So cal are about 70% and this data has to be a few years old!

http://nkca.ucla.edu/Master.cfm?Content=Maproom&CFID=75817&CFTOKEN=65085048

[doug from upland]

There are millions uncounted.