Tidworth Town Council is a corporate body with a legal existence and its decisions are the responsibility of the whole body. The Town Council has been granted powers by Parliament including the important authority to raise money through taxation (the precept) and a range of powers to spend public money.

Its members are either elected every four years, returned unopposed or co-opted should a vacancy arise within the four years to fill a vacant seat. Tidworth Town Council consists of 19 councillors. Each Councillor is also a member of a Committee.