The city of Ottawa, ON has a population of 1,058,126 and a population density of 365 people per square mile. There are a total of 255 Ottawa, ON neighborhoods. The neighborhood with the highest Livability Score is Coronation - Balena and the largest neighhorhood by population is Alta Vista. The Ottawa, ON neighborhood map is a great way to see which neighborhoods have a higher Livability Score compared to those with a lower Livability Score.