The First Nation elect their officials through the Act Electoral System, consisting of a Chief and four councillors.

The four councillors are Curtis Atatise, Carrie Atatise-Norwegian, Blair Whitefish and Norman Jordan.

As a signatory to Treaty 3, Lac La Croix First Nation is a member of the Pwi-Di-Goo-Zing Ne-Yaa-Zhing Advisory Services, a Regional Chiefs Council, and Grand Council of Treaty 3, a Tribal Political Organization that represents many of First Nation governments in northwestern Ontario and southeastern Manitoba.

The ten bands are: Big Grassy, Big Island, Couchiching, Lac La Croix, Naicatchewenin, Nigigoonsiminikaaning, Ojibways of Onigaming, Rainy River, Seine River and Mitaanjigaming.

The Reserve also was home to the last free-roaming population of the Lac La Croix Indian Pony, now an endangered rare breed with preservation efforts supported by the First Nation and other related Ojibwe people.