Urdahl was an American history teacher and coach in the New London-Spicer School District from 1971 to 2006. He has served on the Minnesota Education in Agriculture Leadership Council, the Minnesota Commission on Public Service Reform, and the Minnesota State Board of Nursing. In July 2008, he was appointed as the Minnesota representative to the Abraham Lincoln Bicentennial Commission. In 2012 Urdahl was named co-chair of the Minnesota Civil War Sesquicentennial Task Force.
Urdahl has written a book about former members of the Minnesota Twins baseball team[3] and another about famous Minnesotans.[4] He has written four books of historical fiction set in Minnesota during the Dakota War of 1862.[2][5][6] Urdahl also wrote two historical novels about Minnesota's soldiers in the American Civil War, concentrating on the war's western theater.
Urdahl married Karen Frantti in 1971. They have three sons and 11 grandchildren. He is a Lutheran.[1]
Urdahl was elected to the House in 2002, after incumbent Gary Kubly retired, and has been reelected every two years since. In 2011-12 and 2015-16 he chaired the Legacy Division, which oversees funds raised by the Clean Water, Land and Legacy Amendment to the Minnesota Constitution.[10] During the 2017-18 legislative session, Urdahl chaired the Capital Investment Committee. He serves as the minority lead on the Capital Investment Committee and sits on the Education Policy Committee.[1]
Urdahl was instrumental in obtaining funding for the Minnesota State Capitol restoration and was named to serve on the Capitol Restoration Commission his committee established.[11]