About Mary Jo Wilhelm
Born 1955. Mary Jo Wilhelm is an American politician and appraiser.
Mary Jo Wilhelm (born 1955) is a former Iowa state senator who represented the 26th District. A Democrat, she served in the Iowa Senate from 2009 to 2017. She has been a Certified Residential Appraiser since 2000, and is the founder and owner of Wilhelm Appraisers.
Wilhelm served on several committees in the Iowa Senate: the Economic Growth committee; the Education committee; the Environment & Energy Independence committee; the Human Resources committee; and the Ways and Means committee. She also served on the Agriculture and Natural Resources Appropriations Subcommittee. Her previous political experience included serving on the Howard County Board of Supervisors.
Wilhelm was elected in 2008 with 14,862 votes, defeating Republican incumbent Mark Zieman.
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Important facts
People in Mary Jo Wilhelm's life
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Frequently asked questions
Who is Mary Jo Wilhelm?
American politician
When was Mary Jo Wilhelm born?
Mary Jo Wilhelm was born in 1955 in Cresco, Iowa, Iowa.
What is Mary Jo Wilhelm's occupation?
Mary Jo Wilhelm is a politician and appraiser.
What nationality is Mary Jo Wilhelm?
Mary Jo Wilhelm is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Mary Jo Wilhelm. https://biography.guide/mary-jo-wilhelm/
MLA: "Mary Jo Wilhelm." Biography.guide, https://biography.guide/mary-jo-wilhelm/.
Chicago: "Mary Jo Wilhelm." Biography.guide. https://biography.guide/mary-jo-wilhelm/.
Data last updated: 2026-09-21 · Spot an error? Report a correction.
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