Urban areas include both large and small population centres with a population of at least 1,000 and a density of 400 or more people per square kilometer (e.g., London, Strathroy Ilderton). Statistics Canada now uses the term population centre instead of urban area. 1
1.Statistics Canada. Population Centre and Rural Area Classification 2016 [Internet]. Ottawa. Ministry of Industry; 2017 Feb 8. Available from: www.statcan.gc.ca/eng/subjects/standard/pcrac/2016/introduction