The city of Ottawa, ON has a population of 1,019,693 and a population density of 365 people per square kilometre. There are a total of 256 Ottawa, ON neighbourhoods. The neighbourhood with the highest Livability Score is Granite Ridge and the largest neighhorhood by population is Alta Vista. The Ottawa, ON neighbourhood map is a great way to see which neighbourhoods have a higher Livability Score compared to those with a lower Livability Score.