Cory Gardner leads the polls, but Mark Udall wants to lead the counts. Seven Front Range counties provide the clearest framework to observe the race Election Night. They are the best indicators of where the race will be fought. The data came from the 2010 Michal Bennet vs. Ken Buck race for U.S. Senate.
In 2010, Bennet carried the seven-county battleground area by 51 percent to 44 percent, and won statewide by two points.