Hagedorn served in the
United States Navy in 1961. After returning to Minnesota, he engaged in grain and livestock farming in
Watonwan County. He served as a member of the
Minnesota House of Representatives from 1971 to 1975 and was a delegate to the Minnesota State and County Republican conventions in 1968 and 1972, and the national Republican conventions in
1976 and
1980. He was elected as a
Republican to represent
Minnesota's 2nd congressional district in the
94th,
95th,
96th, and
97th congresses, serving from January 3, 1975, to January 3, 1983. He was an unsuccessful candidate for reelection to represent
Minnesota's 1st congressional district in the 98th congress in 1982. Hagedorn was succeeded in the House by author, businessman, and musician
Tim Penny. ==Family==