Representative Mike Costlow

Representative Mike Costlow is a dedicated public servant and a proud member of the Missouri House of Representatives, representing District 108. A Republican, he was elected to his first two-year term in November 2024. His district includes parts of St. Charles County, and he has quickly become known for his commitment to addressing the needs and concerns of his constituents.

Born in Jacksonville, Florida, Mike Costlow graduated from Lowndes County High School in 2005. He later pursued higher education at Western Governors University, where he earned both a bachelor’s degree and an MBA, completing his studies in 2018. His academic achievements reflect his dedication to personal growth and his drive to excel in his professional and public life.

Before entering state politics, Costlow served as an alderman and board president for the city of Dardenne Prairie, Missouri. In these roles, he championed fiscal responsibility, advocated for public safety measures, and worked tirelessly to improve the quality of life for local residents. His leadership in Dardenne Prairie laid the foundation for his transition to the Missouri House of Representatives, where he continues to focus on issues that matter most to his community.

As a legislator, Representative Costlow is passionate about supporting economic growth, expanding educational opportunities, and protecting the rights of Missourians. He has been a vocal advocate for removing politics from classrooms, promoting school choice for families, and defending the state against federal overreach. His approach to governance is rooted in integrity, transparency, and a deep commitment to ensuring a bright future for Missouri.

Outside of his professional life, Mike Costlow is a devoted family man. He is married to his wife, Jaycee, and together they have five children: Michael, Emily, Hanna, Elias, and Henry. In his free time, he enjoys spending quality moments with his family, reflecting his belief in the importance of strong family values.

Representative Costlow’s journey from a small-town alderman to a state legislator is a testament to his dedication, hard work, and unwavering commitment to public service. He continues to serve the people of District 108 with passion and determination, striving to make a positive impact on the lives of those he represents.