The primary purpose of the Democratic Party of Oconto County is to maximize Democratic Party membership by holding regularly scheduled meetings, encouraging Democratic candidates for county and legislative offices, forming and maintaining an effective campaign organization, making party platform recommendations, and promoting the interests of the Democratic Party of Wisconsin (DPW) within the county.

Any resident of Oconto County, at least fourteen years of age, who subscribes to the progressive principles of the Democratic Party, is eligible for voting membership and shall become a member upon payment of dues and receipt of such dues by the DPW.