I was wondering about Tim Walz's 2006 election and went to Electing the House of Representatives (ETHOR), which has the district's electoral history. He flipped it from a 59-60% R district + held it until he ran for governor in 2018; it narrowly flipped back to R. dsl.richmond.edu/panorama/con...

This is a super good project out of the University of Richmond, by the way.