The President-Council form of government was provided by the Home Rule Charter, which was adopted by Iberville Parish voters on October 31, 1997.

The Iberville Parish Government, under the Home Rule Charter, consists of an elected President, who shall be the chief executive officer and head of the executive branch; and an elected Council, which shall be called the Iberville Parish Council and shall constitute the legislative branch of the government.

The Parish Council shall have the right, power and authority to pass all ordinances requisite or necessary to promote, protect and preserve the general welfare, safety, health, peace and good order of the parish, including, but not by way of limitation, the right, power and authority to pass ordinances on all subject matters necessary, requisite or proper for the management and supervision of its affairs, and all other subject matter without exception, subject only to limitation that the same shall not be inconsistent with the Constitution of the State of Louisiana or expressly denied by state general law applicable to Parish Government.