In 1972, Sangmeister was elected as a
Democrat to the
Illinois House of Representatives. In the 1976 general election, Sangmeister defeated Republican incumbent
James F. Bell to be elected to a four-year term serving as the 42nd district's state senator in the
Illinois Senate. Sangmeister became a powerful Democratic leader in the state Senate. In the
1986 Illinois gubernatorial election, Sangmeister ran for the Democratic nomination for lieutenant governor and was endorsed by presumptive Democratic nominee
Adlai Stevenson III to be his running mate. However, Sangmeister lost to Mark Fairchild, a
LaRouchite entryist, in the Democratic primary. Sangmeister opted against joining Stevenson on the newly formed
Solidarity Party. Stevenson chose former Cook County judge and son of
Michael Howlett Michael J. Howlett Jr. to serve as his new running mate. The incumbent Republicans
James R. Thompson and
George Ryan defeated Stevenson and Howlett in the general election. ==Congress==