In Cameron County more than 5,600 people have voted as of Tuesday.
More than 4,000 of those votes were cast Monday.
In Hidalgo County around 12,00 votes have be cast as of Tuesday.

Cameron Couny Polling Locations:

http://www.co.cameron.tx.us/election/docs/EARLY_VOTING_LOCATION_2012.pdf

Hidalgo County Polling locations:

http://www.co.hidalgo.tx.us/DocumentCenter/View/15061