St. Catharines, Ontario Population Data & Demographics

This article shows the demographic data and statistics of St. Catharines. It is a city in Canada that encompasses a land area of 96.20 km2. The city has a population density of 1422.10 people per km2.

We highlight the St. Catharines city's various population characteristics. From gender, age distribution, ethnicity, household and dwelling, and income to spoken languages, occupation, and religion.

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Population Characteristics

According to the latest census, St. Catharines has a population of around 136,803 people. The city's population is in increased . Between 2016 and 2021, the population of Newfoundland and Labrador has increased by 2.77%.

Population in 2016Population in 2021Difference
133,113136,803 +2.77%

Population By Genders

The male population of St. Catharines is around 65,670 while the female population is around 71,135.

Of the 136,803 total population in St. Catharines, the largest gender is female with around 71,135 women within the population.

65,67071,135 +7.68%

Population by Age Characteristics

St. Catharines has an aging population. The majority of the population is people aged 55 to 59 years old, accounting for 7.40% of the total population. The city median age is 44.80.

55 to 59 years4,745 7.20%5,415 7.60% 12.37%10,165 7.40%
60 to 64 years4,630 7.10%5,210 7.30% 11.13%9,840 7.20%
25 to 29 years4,735 7.20%4,650 6.50% 1.80%9,385 6.90%
65 to 69 years4,125 6.30%4,800 6.70% 14.06%8,920 6.50%
30 to 34 years4,355 6.60%4,530 6.40% 3.86%8,885 6.50%
20 to 24 years4,290 6.50%4,215 5.90% 1.75%8,510 6.20%
50 to 54 years4,035 6.10%4,330 6.10% 6.81%8,365 6.10%
35 to 39 years3,990 6.10%4,195 5.90% 4.89%8,185 6.00%
70 to 74 years3,730 5.70%4,420 6.20% 15.61%8,150 6.00%
45 to 49 years3,765 5.70%4,090 5.70% 7.95%7,855 5.70%
40 to 44 years3,585 5.50%3,875 5.40% 7.48%7,455 5.40%
15 to 19 years3,570 5.40%3,375 4.70% 5.46%6,945 5.10%
10 to 14 years3,455 5.30%3,360 4.70% 2.75%6,815 5.00%
5 to 9 years3,325 5.10%3,080 4.30% 7.37%6,405 4.70%
0 to 4 years3,145 4.80%2,980 4.20% 5.25%6,125 4.50%
75 to 79 years2,655 4.00%3,240 4.60% 18.06%5,895 4.30%
85 years and over1,680 2.60%3,060 4.30% 45.10%4,735 3.50%
80 to 84 years1,850 2.80%2,310 3.20% 19.91%4,165 3.00%
85 to 89 years1,075 1.60%1,715 2.40% 37.32%2,790 2.00%
90 to 94 years475 0.70%985 1.40% 51.78%1,465 1.10%
95 to 99 years110 0.20%330 0.50% 66.67%440 0.30%

Broader Age Groups

If the city's population is divided into broader age groups, most of the population falls into the 15 to 64 years age group. The group accounts for 62.60% of the population. The other age groups, 65 years and over and 0 to 14 years, account for 23.30% and 14.10%, respectively.

If we look at the population data from the broader age groups, we can see that most people in St. Catharines are within the 15 to 64 years age group.

Median age of the population42.80%46.80%44.80%
Average age of the population42.90%45.60%44.30%
65 years and over21.40%25.10%23.30%
0 to 14 years15.10%13.20%14.10%

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Population of St. Catharines by Ethnicity and Origin

The population of St. Catharines is quite diverse, which contributes to the city's vibrant cultural landscape. St. Catharines is inclusive and accepts various ethnic groups with open arms. Furthermore, the province appreciates the unique contributions that each ethnicity brings.

The top 5 ethnicities and origins in the province are English, which accounts for 23.10% of the total population, followed by Scottish (18.44%), Irish (16.43%), Canadian (14.16%), and German (11.91%).

Other ethnicities and origins in Newfoundland and Labrador include Italian, French, Dutch, Ukrainian, and Polish.

Ethnicity and OriginMaleFemalePercentage in Population

Household and Dwelling Characteristics

About 32,725 of St. Catharines's population live in a single-detached house. In addition, most of them are living in 2 persons household.

Household Size

About 17.70% of the population lives in 2 persons households. 1 person households ranked second, accounting for 16.15% of the population. 3 persons, 4 persons, and 5 or more persons households account for 7.15%, 5.75%, and 3.25%, respectively.

Number of Person(s) in HouseholdTotalPercentage
2 persons20,87017.70%
1 person19,01016.15%
3 persons8,4007.15%
4 persons6,7805.75%
5 or more persons3,8403.25%

Income in St. Catharines

Analyzing income distribution in St. Catharines can help us better understand its socioeconomic dynamics.

Per Capita Income

According to 2020 data, the median personal income within St. Catharines is $37,600.

A region's per capita data sheds light on the average income earned per person living in it. Since per capita income is calculated by dividing the region's total income by its population, it quantifies the population's economic situation on an individual basis.

Such data offers insights into the city's economic performance, spread of income across individuals, quality of life, as well as disparities within its borders.

Most of St. Catharines population or around 89,500 people falls in the $10,000 to $29,999 group. The next largest groups are the $30,000 to $49,999, and $50,000 to $79,999 with around 80,585 and 57,735 people, respectively.

Household Income

The St. Catharines's median household income is $72,500, according to 2020 data.

The data provides important insights into the city's economic landscape as well as the living standards of its population.

Analyzing such data enables researchers, policymakers, and businesses to gain a more comprehensive understanding of the city's income distribution, disparities, and trends.

Education Levels in St. Catharines

This data sheds light on the distribution of St. Catharines residents across educational milestones.

Such information is crucial in shaping the province’s policies on education, workforce development strategies, and initiatives that aim to improve access to quality education and promote lifelong learning opportunities.

57.60% or most of the St. Catharines population has a Postsecondary certificate, diploma or degree. 30.20% of the population has a High (secondary) school diploma or equivalency certificate, 24.45% has a Bachelor's degree or higher, and 12.10% has No certificate, diploma or degree.

Only using 25% sample data.
Postsecondary certificate, diploma or degree48,17556,190104,37057.60%
High (secondary) school diploma or equivalency certificate28,04528,30556,35530.20%
Bachelor's degree or higher19,21024,91044,12024.45%
No certificate, diploma or degree12,23511,73023,97512.10%

Employment in St. Catharines

This dataset provides a snapshot of employment trends in St. Catharines. It encompasses a wide range of sectors, industries, as well as job categories.

The data shows that the unemployment rate in Newfoundland and Labrador is at 9.24% which is very high.

Only using 25% sample data.
Employment rate49.12%
Unemployment rate9.24%

Working as an Employee

The table shows the data on the total number of individuals in the city who work as an employee. The majority of St. Catharines's population (around 71.90%) are working permanent position as an employee.


In the city, there are 5,105 men and 3,470 women working as self-employed individuals, bringing the total number to 8,570.

Only using 25% sample data.

Employment Industry Sectors

The St. Catharines industry employment sector census data offers insights into the region's economic landscape. The distribution of employment in St. Catharines is categorized and quantified, which reveals the region's economic composition.

St. Catharines has a wide range of industries. Most of its population (14%) works in the health care and social assistance sector. The Retail trade sector comes second at 14%, followed by Manufacturing at 9%.

Only using 25% sample data.
Health care and social assistance1,7307,45514%
Retail trade4,3304,80514%
Accommodation and food services2,2603,0458%
Educational services1,6153,4458%
Professional, scientific and technical services2,2101,8856%
Administrative and support, waste management and remediation services1,9951,5005%
Transportation and warehousing2,1656504%
Other services (except public administration)1,2151,5454%
Public administration1,4001,2154%
Wholesale trade1,4407953%
Finance and insurance8601,2103%
Agriculture, forestry, fishing and hunting8555952%
Arts, entertainment and recreation7756552%
Real estate and rental and leasing6705752%
Information and cultural industries6002951%
Mining, quarrying, and oil and gas extraction60200%
Management of companies and enterprises20600%

Places of Work

The data offers insights into the commuting patterns as well as workplace distribution in the city. It provides a snapshot of workplaces, showing their geographic distribution and the flow of workers across different areas.

Only using 25% sample data.
Work LocationMenWomenTotalPercentage
Usual place of work19,04518,85037,90067.10%
Worked at home5,0406,58511,62020.60%
No fixed workplace address4,9351,7956,73511.90%
Worked outside Canada185552400.40%


The data sheds light on how St. Catharines residents travel to school or work. It highlights the frequency of different modes of transportation like walking, cycling, carpooling, and public transit.

The data is pivotal in the making of transportation policies as well as the development of transit systems. Ultimately commuting data contributes to improving the quality of life of St. Catharines residents and sustainable urban planning.

Commuting Duration

This data reveals the average time that the residents of St. Catharines spend traveling to their workplaces. It also sheds light on the efficiency of the city's public transit systems, and road networks, as well as the accessibility of the city.

Only using 25% sample data.
Less than 15 minutes41.40%
15 to 29 minutes36.90%
30 to 44 minutes12.40%
60 minutes and over5.60%
45 to 59 minutes3.70%

Marital Status

The statistics on marital status in St. Catharinesshed light on its societal dynamics. It captures the diverse types of marital statuses of the population.

Long-term commitments, such as common-law partnerships, civil unions, and marriages, reflect the city's social fabric. We can gain insights into St. Catharines's changing preferences and norms by examining the trends in marital status.

Married or living common-law
Married or living common-law

Language Spoken

The data below highlights city's linguistic diversity, showing elegances of solo language as well as bilingual harmonies. Other than language, it also shows the cultural landscape in Canada.

English is the most spoken official language in St. Catharines. About 130,785 people living in the province speak English, 2,340 people speak French, 1,285 people speak Neither English nor French language, and 425 people speak English and French language.

Neither English nor French1,285
English and French425


St. Catharines is predominantly Christian. About 78,270 of its population is Christian (35,830 males and 35,830 females).

The second largest religion in the province is Muslim with 3.4% of the population adhering to the religion. There are also Buddhist and Hindu, both represent 0.6% and 0.6% of the population, while Jewish represent 0.3% of the population.