Political Party Contact Information

For Missouri registered voters who wish to voluntarily affiliate with a political party, you can register using the SOS website or by contacting your local election authority.

Click here to change or establish your political party affiliation. 

Established Political Parties

The parties are displayed in the order they will appear on the ballot as set forth by Section 115.239, RSMo.

Republican Party
428 E. Capitol Ave. Suite #300
Jefferson City, MO 65101 
Phone: (573) 606-0402  
Web: https://www.mogop.org

Democratic Party
4218 Roanoke Rd., Ste. 304 
Kansas City, MO 64111
Phone: (573) 777-1364 
Fax: (573) 777-3158 
Web: https://www.missouridemocrats.org/

Libertarian Party
604 N. Maguire, Ste. C
PO Box 1099
Warrensburg, MO 64093
Phone: (844) 886-8357 
Web: https://www.lpmo.org