Interactive Map: U.S. Senate Runoff Results By County
2012 Runoff results Dewhurst vs Cruz
http://www.texastribune.org/library/data/us-senate-runoff-results-map/
Runoff Cruz 631,812 56.82% Dewhurst 480,126 43.17% Primary Cruz 480,558 34.16% Dewhurst 627,731 44.62%