State Representative Steve King made his announcement this morning in front of about 50 supporters at Eagle Rim Park at 7 a.m.
Supporters cheered when he told them he would be running for the seat currently held by Josh Penry.
State Senator Josh Penry, a Republican, is running for Governor of Colorado.
State Rep. King says he wants to focus on bringing more jobs to the Western Slope, in order to improve the economy.
He adds he will try to balance time with his family, and working with his constituents.