A member of the Minnesota Democratic–Farmer–Labor Party (DFL), he represented District 23A, which included portions of Nicollet and Sibley counties.

He is a former member of the House Agriculture, Rural Economies & Veterans Affairs Committee; the House State and Local Government Operations Reform, Technology & Elections Committee; and of the Finance subcommittees for the Transportation and Transit Policy and Oversight Division; and the Transportation Finance and Policy Division.

[2] On December 19, 2012, Morrow announced he will be stepping down at the end of his current term to join the National Conference of Commissioners on Uniform State Laws as its legislative director.

[3][4] Morrow was a communication studies professor (1995-2013) at Gustavus Adolphus College in Saint Peter, Minnesota, where he also resides.

Prior to running for the House, Morrow served on the Saint Peter School Board for several years.