Your Local Representative Offices
Jefferson County officials handle local zoning, infrastructure, and community services. Contacting them directly is the most effective way to address issues in your neighborhood.
Jefferson County Sheriff
Dave Marshak
400 First Street
Hillsboro, MO 63050
Phone: (636) 797-5000
State & Federal Representatives
Jefferson County is served by officials at every level of government. Contacting your representatives is a powerful way to advocate for our community's needs and ensure our voices are heard in Jefferson City and Washington, D.C.
Federal Representatives
State Representatives
Josh Hawley
U.S. Senator (Federal)
Mike Kehoe
- DC Office Phone: (202) 224-6154
- St. Louis Office Phone: (314) 354-7060​
Governor – Phone: (573) 751-3222
Denny Hoskins
Eric Schmitt
Secretary of State – Phone: (573) 751-4936
U.S. Senator (Federal)
Mike Henderson
- DC Office Phone: (202) 224-5721
- St. Louis Office Phone: (314) 230-7263
MO Senator D3 – Phone: (573) 751-4008
Mary Elizabeth Coleman
Bob Onder
MO Senator D22 – Phone: (573) 751-1492
U.S. Representative - CD3 (Federal)
- DC Office Phone: (202) 225-2956
- Jefferson City Office Phone: (573) 635-7232
David Casteel
MO Rep D97 – Phone: (573) 751-3751
Jason Smith
Cecelie Williams
MO Rep D111 – Phone: (573) 751-4567
U.S. Representative - CD8 (Federal)
- DC Office Phone: (202) 225-4404
- Farmington Office Phone: (573) 756-9755
Renee Reuter
MO Rep D112 – Phone: (573) 751-3607
Phil Amato
MO Rep D113 – Phone: (573) 751-2504
Bill Lucas
MO Rep D115 – Phone: (573) 751-7735
Jefferson County House Districts
Refer to the official district boundary map to confirm your local representative. Boundaries for the 2026 term ensure community-focused coverage across Jefferson County.
How to Make an Impact
Your voice is the most powerful tool for change in Jefferson County. When you contact your representatives, you ensure that our community's needs stay at the top of their agenda. Here is how to engage effectively:
- Be Precise: Clearly state the bill number or specific local issue you are addressing.
- Personalize Your Message: Explain how the issue directly affects your family or neighborhood in JeffCo.
- Stay Concise: Officials receive hundreds of messages; keep your points brief and focused.
- Ask for a Response: Always request a written reply to ensure your contact is logged.
Sample Script Template
"Hello, my name is [Your Name] and I am a constituent from [Your Town/ZIP]. I am calling/emailing today regarding [Issue/Bill Number]. I am asking Rep. [Name] to support/oppose this measure because [personal reason or community impact]. Better conditions for Jefferson County families depend on this action. Thank you for your time and for recording my position."
Tip: Staffers are members of our community too. Being polite and clear makes your message far more effective.