In 1994, the County was restructured into 16 local municipalities:[20]

Town of Bradford West Gwillimbury

Town of Collingwood

Town of Innisfil

Town of Midland

Town of New Tecumseth

Town of Penetanguishene

Town of Wasaga Beach

Township of Adjala–Tosorontio

Township of Clearview

Township of Essa

Township of Oro-Medonte

Township of Ramara

Township of Severn

Township of Springwater

Township of Tay

Township of Tiny

The cities of Barrie and Orillia are separated from the County, as are three Indian reserves: