The Town of Shoshoni operates under a Mayor-Council form of government. The Mayor presides at meetings of the Town Council and is recognized as the head of the town government for all ceremonial purposes. The Mayor and Town Council establish objectives for the operation of the city and act as the policy-making body. Each official is elected by the people of Shoshoni for a term of 4 years.
Duties of the Council are to represent and speak for the general public. They approve the funding of departments, revenues, and expenses. They acknowledge city ordinances and, when called for, revise or create new ones.