River Street experienced an overall population growth of -0.5% between 2011 and 2021. Currently, River Street consists of an estimated 13K people with a population density of roughly 22,283. In this, 54% of the population is married, and 41% have kids. Moreover, 85% of people speak English, and 0.3% prefer French. The population has a median age ratio of 34, with which the male-to-female ratio is 1.0:1.