Oshawa Population 2020

398,459

Oshawa's 2020 population is now estimated at 398,459. In 1950, the population of Oshawa was 47,944. Oshawa has grown by 22,787 since 2015, which represents a 1.18% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Oshawa, which typically includes Oshawa's population in addition to adjacent suburban areas.

Oshawa is a Canadian city located in Ontario along Lake Ontario. It is a part of the Greater Toronto Area, and is the largest city in the Regional Municipality of Durham - located in Canada.

Points of Interest

The city, according to the 2016 Canadian Census, had a population of 379,848. The city was incorporated in 1850 and has an interesting history. It was once known as the “Automotive Capital of Canada,” and is home to the General Motors of Canada headquarters. Now, the city is a leader in education and health sciences.

Oshawa City Size and Population Density

The total area of the city is over 903.69 square kilometers (348.91 square miles). The population density comes to about 420.6 residents per square kilometer (1,091 people living per square mile).

Population Demographics in Oshawa

Oshawa’s population is primarily European, comprising over 90% of the population. There are also other ethnic groups including Blacks, South Asians, and Chinese residing within this Canadian city. Almost 40% of the population are of Canadian descent, but there are also large numbers of people who have English, Scottish, Irish and French origins.

The median age of Oshawians is higher than the national average. The median age of the population in Oshawa is 40.1 years of age, while the overall Canadian population comes in with a median age of 36.7 years.

In terms of religions among the population of Oshawa, over 44% of residents identify as Protestant, with over 30% identifying as being Roman Catholic.

Over 86% of residents speak English as their native language, while 2.2% speak French.

Oshawa Population Growth Rate

The city of Oshawa has seen strong population growth throughout the years, particularly during the 1950s through 1970s. Through the early 1990s, the city saw double-digit growth every five years. However, that rate has slowed a bit in recent years, with a 6.6% population increase recorded between 2011 and 2016. The city’s thriving economy, educational opportunities, and employment opportunities – including being an ideal location for startups and tech businesses – indicate that the city of Oshawa will continue to post strong population growth at the time of its next Census.

Oshawa Population 2020

Year Population Growth Rate (%) Growth
2035456,9860.85%19,007
2030437,9790.92%19,612
2025418,3670.98%19,908
2020398,4591.18%22,787
2015375,6721.33%24,034
2010351,6381.63%27,309
2005324,3292.17%33,013
2000291,3162.03%27,826
1995263,4902.50%30,617
1990232,8733.93%40,852
1985192,0215.64%46,100
1980145,9211.98%13,596
1975132,3252.67%16,327
1970115,9984.05%20,874
196595,1244.20%17,700
196077,4244.91%16,499
195560,9254.91%12,981
195047,9440.00%
  1. World Urbanization Prospects - United Nations population estimates and projections of major Urban Agglomerations