There are three members on the Board of Supervisors.
Individuals serve overlapping four- year terms, with elections held every two years.
The Board elects one of its members annually to chair its activities. The Board of Supervisors has both legislative and administrative powers and is the policy-making body for Dallas County government. With its authority to adopt legislation and policies for department operations, the Board sets priorities, allocates resources and maintains budgetary control. The budget process is the most important power of the Board. The Board is available to its constituency on a full-time basis and can respond to issues of importance to citizens.