There are 10 Electoral Areas, 11 Member Municipalities located within the Thompson-Nicola Regional District boundaries. The TNRD resides on the territories of 25 First Nations.
Village of Ashcroft
District of Barriere
Village of Cache Creek
Village of Chase
District of Clearwater
Village of Clinton
City of Kamloops
District of Logan Lake
Village of Lytton
City of Merritt
Mountain Resort Municipality of Sun Peaks
Electoral Area "A" (Wells Gray Country)
Electoral Area "B" (Thompson Headwaters)
Electoral Area "E" (Bonaparte Plateau)
Electoral Area "I" (Blue Sky Country)
Electoral Area "J" (Copper Desert Country)
Electoral Area "L" (Grasslands)
Electoral Area "M" (Beautiful Nicola Valley - North)
Electoral Area "N" (Beautiful Nicola Valley - South)
Electoral Area "O" (Lower North Thompson)
Electoral Area "P" (Rivers and the Peaks)