Sarnia, Ontario Population Data & Statistics

This is the population and demographic data and statistics for Sarnia, a city in Canada with a land area of 163.90 km2 and has a population density of 439.60 people per km2.

The data includes average age, age distribution, marital status, individual and household income, spoken languages, employment and unemployment rates, occupations, religion, and various other characteristics.

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Population Characteristics

Based on the latest census, it is estimated the total population in Sarnia is around 72,047 people.

On the table below, we can see that the total population of Sarnia in 2021 census have increased 0.63% compared to the 2016 census.

Population in 2016Population in 2021Difference
71,59472,047 +0.63%

Population By Genders

Of the 72,047 total population in Sarnia, the largest gender is female with around 36,945 women within the population.

35,10536,945 +4.98%

Population by Age Characteristics

Of the 71,594 population in Sarnia, majority of them are in the age of 60 to 64 years years old, with 7.80% of them are male and 8.20% female. While the median age of the whole population is 46.00.

0 to 4 years1,695 4.80%1,610 4.40% 5.01%3,310 4.60%
5 to 9 years1,735 4.90%1,775 4.80% 2.25%3,515 4.90%
10 to 14 years1,845 5.30%1,910 5.20% 3.40%3,750 5.20%
15 to 19 years1,825 5.20%1,740 4.70% 4.66%3,565 4.90%
20 to 24 years2,025 5.80%1,915 5.20% 5.43%3,945 5.50%
25 to 29 years2,455 7.00%2,160 5.80% 12.02%4,610 6.40%
30 to 34 years2,295 6.50%2,190 5.90% 4.58%4,490 6.20%
35 to 39 years2,115 6.00%2,135 5.80% 0.94%4,250 5.90%
40 to 44 years1,920 5.50%2,005 5.40% 4.24%3,925 5.40%
45 to 49 years1,940 5.50%2,010 5.40% 3.48%3,945 5.50%
50 to 54 years2,050 5.80%2,100 5.70% 2.38%4,150 5.80%
55 to 59 years2,435 6.90%2,705 7.30% 9.98%5,145 7.10%
60 to 64 years2,745 7.80%3,025 8.20% 9.26%5,770 8.00%
65 to 69 years2,535 7.20%2,840 7.70% 10.74%5,375 7.50%
70 to 74 years2,170 6.20%2,360 6.40% 8.05%4,530 6.30%
75 to 79 years1,505 4.30%1,770 4.80% 14.97%3,280 4.60%
80 to 84 years930 2.60%1,210 3.30% 23.14%2,135 3.00%
85 years and over880 2.50%1,485 4.00% 40.74%2,360 3.30%
85 to 89 years585 1.70%900 2.40% 35.00%1,490 2.10%
90 to 94 years245 0.70%440 1.20% 44.32%680 0.90%
95 to 99 years55 0.20%130 0.40% 57.69%185 0.30%
100 years and over0 0.00%15 0.00% 100.00%15 0.00%

Broader Age Groups

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

0 to 14 years15.00%14.30%14.70%
15 to 64 years62.10%59.50%60.80%
65 years and over22.80%26.20%24.50%
Average age of the population43.60%45.80%44.80%
Median age of the population44.00%47.60%46.00%

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Population of Sarnia by Ethnicity and Origin

In Sarnia, the population data reflects a diverse range of ethnicities, contributing to the vibrant cultural landscape. Sarnia embraces various ethnic groups, each adding to its dynamic societal fabric.

The population statistics underscore the importance of this multicultural diversity, emphasizing Sarnia's dedication to inclusivity and the appreciation of distinct contributions that each ethnicity brings to the shared narrative of the area.

Here are the top 10 ethnicities in Sarnia.

Ethnicity and OriginMaleFemalePercentage in Population
British Isles4.01%4.18%4.09%

Household and Dwelling Characteristics

Of the population in Sarnia, which totals 71,594, the majority, consisting of 21,685 people live in a single-detached house. Additionally, the majority of them are living in households with a size of 2 persons.

Household Size

Number of Person(s) in HouseholdTotalPercentage
1 person10,79016.75%
2 persons11,79018.30%
3 persons4,3356.75%
4 persons3,4955.45%
5 or more persons1,7802.75%

Income in Sarnia

The population data in a region can offer valuable insights when analyzed in relation to income levels. By examining the income distribution within Sarnia, we can gain a deeper understanding of the socioeconomic dynamics at play.

Per Capita Income

The median individual income in Sarnia is $40,800 (according to the 2020 data).

Per capita income data in a region provides a comprehensive snapshot of the average income earned by each individual residing within that area. By dividing the total income generated in the region by its population, per capita income quantifies the economic well-being of the population on an individual basis.

This data not only reflects the region's overall economic performance but also offers insights into income distribution, quality of life, and potential disparities.

Household Income

The median household income in Sarnia is $77,500 (according to the 2020 data).

Household income data in a Sarnia provides crucial insights into the economic landscape and living standards of its residents. By analyzing this data, policymakers, researchers, and businesses in Canada gain a comprehensive understanding of income distribution, socioeconomic disparities, and trends within Sarnia.

Education Levels in Sarnia

This data captures the distribution of individuals across various educational milestones, such as high school diplomas, college degrees, and beyond.

This information is pivotal in shaping educational policies, workforce development strategies, and initiatives aimed at enhancing access to quality education and promoting lifelong learning opportunities within Sarnia.

Only using 25% sample data.
Bachelor's degree or higher8,23010,03018,26519.40%
High (secondary) school diploma or equivalency certificate13,46014,68528,14028.75%
No certificate, diploma or degree5,5905,65511,24510.85%
Postsecondary certificate, diploma or degree27,98029,07057,05060.40%

Employment in Sarnia

This comprehensive dataset offers a detailed snapshot of Sarnia's employment trends, encompassing various sectors, industries, and job categories.

From the table below, we can see that unemployment rate is only at 7.09% which is quite high acccording to experts.

Only using 25% sample data.
Employment rate47.64%
Unemployment rate7.09%

Working as an Employee

This table provides the data on how many people in Sarnia working as an employee. Most of them (72.90%) are working permanent position as an employee.


On the other hand, this table provides the data on how many people in Sarnia working self-employed.

Only using 25% sample data.

Employment Industry Sectors

The industry employment sectors census data provides valuable insights into the diverse economic landscape of a specific region in Sarnia. By categorizing and quantifying the distribution of employment across various sectors such as manufacturing, healthcare, technology, education, and more, this data illuminates the region's economic composition.

As we can see from the table below, most of the people (16%) in Sarnia are working in the health care and social assistance sector.

Only using 25% sample data.
Agriculture, forestry, fishing and hunting2751651%
Mining, quarrying, and oil and gas extraction355701%
Wholesale trade5251802%
Retail trade1,7452,24012%
Transportation and warehousing9703654%
Information and cultural industries1451151%
Finance and insurance2604352%
Real estate and rental and leasing3002802%
Professional, scientific and technical services1,1856456%
Management of companies and enterprises1000%
Administrative and support, waste management and remediation services1,0557005%
Educational services6251,5607%
Health care and social assistance8304,34516%
Arts, entertainment and recreation2852952%
Accommodation and food services9451,6508%
Other services (except public administration)6905954%
Public administration6805704%

Places of Work

data provides valuable insights into commuting patterns and workplace distribution within Sarnia. This data offers a comprehensive view of where individuals are employed, shedding light on the geographic distribution of workplaces and the flow of workers across various areas.

Only using 25% sample data.
Work LocationMenWomenTotalPercentage
Worked at home1,8552,6054,45515.50%
Worked outside Canada851051850.60%
No fixed workplace address2,5159403,45512.00%
Usual place of work10,7359,92520,66071.80%


This data reveals crucial information about how residents in Sarnia travel to work or school, highlighting the prevalence of various modes of transportation such as carpooling, public transit, cycling, and walking.

This data aids in the formulation of targeted transportation policies and the development of efficient transit systems, ultimately contributing to sustainable urban planning and enhancing the overall quality of life for residents in the region.

Commuting Duration

The commuting duration captures the average time individuals spend traveling to their workplaces, shedding light on the efficiency of public transit systems, road networks, and the overall accessibility of the region.

Only using 25% sample data.
Less than 15 minutes55.50%
15 to 29 minutes33.10%
30 to 44 minutes6.90%
45 to 59 minutes1.80%
60 minutes and over2.70%

Marital Status

Delving into the marital status statistics within Sarnia offers a multifaceted lens onto societal dynamics. This intricate data repository encapsulates the diverse array of marital bonds within the locale.

Long-term commitments, such as marriages, civil unions, and common-law partnerships, coalesce into a mosaic that mirrors the region's social fabric. By examining trends in marital status, we can discern evolving norms and preferences around Sarnia area, gauging the ebb and flow between tradition and modernity.

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

Language Spoken

This gathered data offers a panoramic view of linguistic diversity, showcasing bilingual harmonies and solo language elegances. Beyond mere language, this data narrates the symphony of Canada's cultural landscape.

In Sarnia, the most used official language is English. Around 69,425 people in the area speak English.

English and French160
Neither English nor French250


This gathered data offers a panoramic view of linguistic diversity, showcasing bilingual harmonies and solo language elegances. Beyond mere language, this data narrates the symphony of Canada's cultural landscape.

The most common religion in Sarnia is Christian. Around 40,315 people in Sarnia are Christian (18,525 males and 18,525 females).