St. Thomas, Ontario Population & Demographics: How Many People Live Here?

Data source: Statistics Canada, 2021 Census of Population — View the official St. Thomas census dataset on Statistics Canada

This article shows the demographic data and statistics of St. Thomas. It is a city in Canada that encompasses a land area of 35.61 km2. The city has a population density of 1203.20 people per km2.

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

St. Thomas on the Map

The map and listings below are sourced from OpenStreetMap contributors, not Statistics Canada, and may be incomplete depending on how thoroughly the area has been mapped.

St. Thomas location on the map. View in Google Map

Population Characteristics

According to the latest census, St. Thomas has a population of around 42,840 people. The city's population is in increased . Between 2016 and 2021, the population of St. Thomas has increased by 10.10%.

Population in 2016Population in 2021Difference
38,90942,840 +10.10%

2026 Population Projection

Based on the compound annual growth rate (CAGR) of 1.94% observed between the 2016 and 2021 censuses, St. Thomas's population is projected to reach approximately 47,168 people by 2026, with a projected population density of around 1,324.57 people per km².

Population in 2021Projected Population in 2026Projected Density in 2026 (per km²)
42,84047,1681,324.57

This projection is an estimate calculated by CAPopulation from the compound annual growth rate between the 2016 and 2021 censuses. Official 2026 complete census data expected to be released in late 2027.

Population By Genders

The male population of St. Thomas is around 20,710 while the female population is around 22,130.

Of the 42,840 total population in St. Thomas, the largest gender is female with around 22,130 women within the population.

MaleFemaleDifference
20,71022,130 +6.42%

Is St. Thomas a Good Place to Live?

Based on 2021 Statistics Canada Census data, here's how St. Thomas compares across key quality-of-life indicators — measured against Ontario, its own province. Draw your own conclusions from the actual numbers.

Employment & Economy

11.2%
Unemployment rate
1.0 pts below the province
52.3%
Employment rate
2.8 pts below the province
58.9%
Participation rate
3.9 pts below the province

Income & Affordability

$75,000
Median household income
$16,000 below the province
10.9%
Below low-income threshold (LIM-AT)
0.8 pts above the province

Commute

73.7%
Commute under 30 minutes
11.7 pts above the province
93.3%
Commute by car
9.7 pts above the province
0.4%
Commute by public transit
8.2 pts below the province

Housing Character

64.8%
Single-detached houses
11.2 pts above the province
23.7%
Apartments (any building size)
7.5 pts below the province

Household Composition

2.30 people
Average household size
0.30people below the province
29.6%
One-person households
3.1 pts above the province

Source: Statistics Canada, 2021 Census of Population.

Other Cities Near St. Thomas

Population by Age Characteristics

St. Thomas has an aging population. The majority of the population is people aged 55 to 59 years old, accounting for 7.20% of the total population. The city median age is 43.60.

DataMaleFemaleDifferenceTotal
55 to 59 years1,470 7.10%1,635 7.40% 10.09%3,100 7.20%
60 to 64 years1,420 6.90%1,635 7.40% 13.15%3,050 7.10%
50 to 54 years1,330 6.40%1,425 6.40% 6.67%2,760 6.40%
45 to 49 years1,360 6.60%1,380 6.20% 1.45%2,745 6.40%
30 to 34 years1,325 6.40%1,385 6.30% 4.33%2,715 6.30%
65 to 69 years1,245 6.00%1,440 6.50% 13.54%2,685 6.30%
35 to 39 years1,285 6.20%1,390 6.30% 7.55%2,675 6.20%
40 to 44 years1,250 6.00%1,375 6.20% 9.09%2,620 6.10%
10 to 14 years1,325 6.40%1,275 5.80% 3.77%2,595 6.10%
70 to 74 years1,110 5.40%1,380 6.20% 19.57%2,490 5.80%
5 to 9 years1,300 6.30%1,120 5.10% 13.85%2,425 5.70%
15 to 19 years1,230 5.90%1,145 5.20% 6.91%2,375 5.50%
25 to 29 years1,135 5.50%1,195 5.40% 5.02%2,330 5.40%
20 to 24 years1,150 5.60%1,055 4.80% 8.26%2,205 5.10%
0 to 4 years1,115 5.40%1,020 4.60% 8.52%2,135 5.00%
75 to 79 years810 3.90%925 4.20% 12.43%1,730 4.00%
80 to 84 years485 2.30%655 3.00% 25.95%1,140 2.70%
85 years and over380 1.80%685 3.10% 44.53%1,065 2.50%
85 to 89 years250 1.20%380 1.70% 34.21%630 1.50%
90 to 94 years110 0.50%215 1.00% 48.84%325 0.80%
95 to 99 years15 0.10%85 0.40% 82.35%95 0.20%

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 62.00% of the population. The other age groups, 65 years and over and 0 to 14 years, account for 21.30% and 16.70%, respectively.

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

DataMaleFemaleTotal
Median age of the population42.00%45.20%43.60%
Average age of the population41.50%44.30%43.00%
65 years and over19.50%23.00%21.30%
0 to 14 years18.10%15.50%16.70%

Photos of Places & Sceneries in St. Thomas

Explore St. Thomas Through Videos

Population of St. Thomas by Ethnicity and Origin

The population of St. Thomas is quite diverse, which contributes to the city's vibrant cultural landscape. St. Thomas 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 32.41% of the total population, followed by Scottish (22.24%), Canadian (21.08%), Irish (20.20%), and German (12.42%).

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

Ethnicity and OriginMaleFemalePercentage in Population
English31.80%32.95%32.41%
Scottish21.54%22.90%22.24%
Canadian21.57%20.61%21.08%
Irish19.88%20.50%20.20%
German12.48%12.36%12.42%
French9.28%8.95%9.12%
Dutch7.91%7.91%7.91%
British Isles4.11%4.63%4.38%
Italian3.57%3.16%3.35%
Polish3.28%3.34%3.31%

Immigration Profile

Immigration patterns vary a great deal from one area to another, which makes this data one of the more distinctive parts of St. Thomas's population profile.

About 10.4% of St. Thomas's population are immigrants (4,400 people).

The top countries of origin for St. Thomas's immigrant population are United Kingdom (835), United States of America (320), Netherlands (310), Philippines (230), Mexico (215).

Only using 25% sample data.
Country of BirthPopulation
United Kingdom835
United States of America320
Netherlands310
Philippines230
Mexico215

Household and Dwelling Characteristics

About 11,705 of St. Thomas's population live in a single-detached house. In addition, most of them are living in 2 persons household.

Household Size

About 18.35% of the population lives in 2 persons households. 1 person households ranked second, accounting for 14.80% of the population. 3 persons, 4 persons, and 5 or more persons households account for 7.40%, 6.15%, and 3.35%, respectively.

Number of Person(s) in HouseholdTotalPercentage
2 persons6,62018.35%
1 person5,35014.80%
3 persons2,6807.40%
4 persons2,2156.15%
5 or more persons1,2103.35%

Income in St. Thomas

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

Per Capita Income

According to 2020 data, the median personal income within St. Thomas is $40,000.

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. Thomas population or around 5,140 people falls in the $50,000 to $79,999 group. The next largest groups are the $10,000 to $29,999, and $30,000 to $49,999 with around 5,085 and 4,800 people, respectively.

Household Income

The St. Thomas's median household income is $75,000, according to 2020 data.

Below national average St. Thomas's median household income is 9,000 dollars below the Canadian national median of $84,000 (2020 data, 2021 Census).

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. Thomas

This data sheds light on the distribution of St. Thomas 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.

53.50% or most of the St. Thomas population has a Postsecondary certificate, diploma or degree. 32.95% of the population has a High (secondary) school diploma or equivalency certificate, 15.10% has a Bachelor's degree or higher, and 13.55% has No certificate, diploma or degree.

Only using 25% sample data.
DegreeMenWomenTotalPercentage
Postsecondary certificate, diploma or degree13,13016,65029,78053.50%
High (secondary) school diploma or equivalency certificate9,6609,05018,70032.95%
Bachelor's degree or higher3,3804,9908,37015.10%
No certificate, diploma or degree4,2653,9608,22013.55%

Below national average 15.1% of St. Thomas's population has a bachelor's degree or higher, compared to the national average of 32.9% (Canada, 2021 Census).

Employment in St. Thomas

This dataset provides a snapshot of employment trends in St. Thomas. 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 6.62% which is quite high.

Only using 25% sample data.
StatusPercentage
Employment rate52.31%
Unemployment rate6.62%

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. Thomas's population (around 78.00%) are working permanent position as an employee.

Self-employed

In the city, there are 1,115 men and 925 women working as self-employed individuals, bringing the total number to 2,040.

Only using 25% sample data.
StatusMenWomenTotal
Self-employed1,1159252,040

Employment Industry Sectors

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

St. Thomas has a wide range of industries. Most of its population (18%) works in the manufacturing sector. The Health care and social assistance sector comes second at 15%, followed by Retail trade at 11%.

Only using 25% sample data.
IndustryMenWomenPercentage
Manufacturing2,6501,08518%
Health care and social assistance4652,68015%
Retail trade1,1601,16011%
Construction1,2301907%
Educational services3809607%
Accommodation and food services4408256%
Transportation and warehousing7453205%
Administrative and support, waste management and remediation services5054355%
Professional, scientific and technical services4404854%
Other services (except public administration)4853904%
Public administration3953954%
Finance and insurance2703703%
Wholesale trade4001153%
Arts, entertainment and recreation1701652%
Real estate and rental and leasing1551552%
Agriculture, forestry, fishing and hunting1451001%
Information and cultural industries90501%
Utilities80301%
Mining, quarrying, and oil and gas extraction2000%
Management of companies and enterprises15100%

Labour Market Snapshot

A quick snapshot of where St. Thomas residents work — the leading industry sectors employing them, and the broad occupation categories they work in.

Top employer sectors in St. Thomas: -33 Manufacturing (18%), Health care and social assistance (15%), -45 Retail trade (11%)

Top occupation categories in St. Thomas: Sales and service occupations (25%), Trades, transport and equipment operators and related occupations (19%), Business, finance and administration occupations (14%)

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 work6,7456,54513,29072.60%
Worked at home1,1651,8903,05016.70%
No fixed workplace address1,4005151,91510.50%
Worked outside Canada3510400.20%

Commuting

The data sheds light on how St. Thomas 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. Thomas residents and sustainable urban planning.

Commuting Duration

This data reveals the average time that the residents of St. Thomas 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.
DurationPercentage
Less than 15 minutes49.90%
15 to 29 minutes23.80%
30 to 44 minutes18.30%
45 to 59 minutes4.80%
60 minutes and over3.20%

Marital Status

The statistics on marital status in St. Thomasshed 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. Thomas's changing preferences and norms by examining the trends in marital status.

Married or living common-law
56.13%
Married or living common-law
43.87%

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. Thomas. About 41,780 people living in the province speak English, 400 people speak French, 115 people speak Neither English nor French language, and 25 people speak English and French language.

LanguagePopulation
English41,780
French400
Neither English nor French115
English and French25

Mother Tongue & Home Language

Useful for newcomers researching an area: this shows the language residents first learned at home in childhood (mother tongue) and the language they speak most often at home now, which can differ as families settle in.

LanguageMother TongueSpoken Most Often at Home
English90.7%96.4%
Non-official languages6.9%2.3%
French1.0%0.2%

Religion

St. Thomas is predominantly Christian. About 22,525 of its population is Christian (10,115 males and 10,115 females).

The second largest religion in the province is Muslim with 0.9% of the population adhering to the religion. There are also Hindu and Buddhist, both represent 0.6% and 0.4% of the population, while Sikh represent 0.2% of the population.

ReligionPopulation
Christian53.5%
Islam0.9%
Hindu0.6%
Buddhist0.4%
Sikh0.2%
Jewish0.1%

Frequently Asked Questions about St. Thomas

According to the 2021 census, St. Thomas has a population of approximately 42,840 people.

Between 2016 and 2021, the population of St. Thomas increased by 10.10%.

St. Thomas has a population density of approximately 1,203.20 people per square kilometre.

St. Thomas covers a land area of approximately 35.61 km².

The median age of the population in St. Thomas is 43.60 years.

The largest ethnic or cultural origin group in St. Thomas is English.

The median household income in St. Thomas is $75,000, based on 2020 data.

English is the most common first official language spoken in St. Thomas.

Christian is the predominant religion in St. Thomas.

Statistics Canada (statcan.gc.ca) conducted the 2026 Census of Population in May 2026. However, census data goes through an extensive processing, validation, and quality-assurance period before public release. Based on the release plan, the 2026 Census results begin rolling out on February 10, 2027, with complete community-level profiles available by December 1, 2027. Until then, this page uses 2021 Census data as its primary source, supplemented by a population projection estimate for 2026 calculated using the compound annual growth rate (CAGR) from the 2016–2021 Census period.