Niagara-on-the-Lake is a city located in Ontario, Canada with a current estimated population of 20,593. The population was recorded at 19,704 in the 2021 Canadian Census, and was previously recorded at 17,985 in the 2016 census. This is an annual change in population of 339, which is an annual growth rate of 1.67%.
Data after 2023 is projected based on recent change