Between 1991 and 2021, the centre of population for Richmond - Tweed moves 6.3km north-east, with population increasing from 180,000 in 1991 to 257,000 in 2021. Centres of population based on 30 June populations and geographic centroids of SA1s within the SA4 of Richmond - Tweed. Blue = estimated, red = projected. Data: ABS/AIHW. Created by @AndyHowe_statto. AREA LIST