Michigan › Macomb County › Michigan House District 13
2 candidates are tracked for Michigan House District 13 on the November 3, 2026 ballot: Mai Xiong and Mark Thomas Foster. Candidate information follows official Macomb County election filings; verify with the official election office linked below.
Mai Xiong was unopposed for the Democratic nomination, and Mark Thomas Foster won the three-way Republican primary with about 36 percent, 55 votes ahead of Julie Leonardi, with Casey Armitage also running, per official results certified by the Michigan Secretary of State; the nominees meet on the November 3 ballot.
Democratic · Incumbent
Mai Xiong is the incumbent state representative for Michigan House District 13 and is the Democratic nominee on the November 3, 2026 ballot, per the Michigan Secretary of State's official primary results. No campaign website or questionnaire response was found as of September 4, 2026; the official election filing is the only verifiable source for Mai Xiong.
Republican
Mark Thomas Foster appears on the November 3, 2026 ballot for Lenox Township Trustee (two partial terms ending 11/20/2028), per the county clerk's certified candidate list. No campaign website or questionnaire response was found as of September 4, 2026; the official roster and election filing is the only verifiable source for Mark Thomas Foster.