Archived Content

Information identified as archived is provided for reference, research or recordkeeping purposes. It is not subject to the Government of Canada Web Standards and has not been altered or updated since it was archived. Please contact us to request a format other than those available.

Focus on Geography Series, 2011 Census

Census agglomeration of Thetford Mines, Quebec ¹

Map of Thetford Mines

Interactive version of map

Population, 2011 and 2006 censuses

Chart A description: Thetford Mines, CA - Population, 2011 and 2006 censuses

Prov. rank

Nat. rank

In 2011, the population of Thetford Mines census agglomeration (CA) was 27,968, representing a percentage change of -0.5% from 2006. This compares to the national growth of 5.9% and to the average growth among all CAs of 4.2%.

In Thetford Mines, the land area is 406.98 square kilometres with a population density of 68.7 persons per square kilometre. This compares to the national land area of 8,965,121.42 square kilometres with a population density of 3.7 persons per square kilometre. The land area of all CAs is 232,264.62 square kilometres with 18.56 persons per square kilometre.

In total, there were 12,901 private dwellings occupied by usual residents in Thetford Mines in 2011. The change in private dwellings occupied by usual residents from 2006 was 2.3%. For Canada as a whole, the number of private dwellings occupied by usual residents increased 7.1%.

Population and dwelling counts

Census subdivisions in the Thetford Mines CA

Table 1 Thetford Mines CA – Census subdivisions, population change, 2006 to 2011
Census subdivision (CSD) name	Type	Population
Census subdivision (CSD) name	Type	2011	2006	% change
Thetford Mines	V	25,709	25,704	0.0
Saint-Joseph-de-Coleraine	MÉ	1,870	2,003	-6.6
Saint-Adrien-d'Irlande	MÉ	389	403	-3.5

Census metropolitan areas (CMAs) or census agglomerations (CAs) in Quebec

Table 2 Quebec – Metropolitan areas, population rank and population change, 2006 to 2011
CMA or CA name	Type	Population			Rank
CMA or CA name	Type	2011	2006	% change	Nat.	Prov.
Montréal †	CMA	3,824,221	3,635,556 A	5.2	2	1
Ottawa - Gatineau	CMA	1,236,324	1,133,633 A	9.1	4	···
Ottawa - Gatineau (partie du Québec / Quebec part)		314,501	286,831 A	9.6	···	3
Ottawa - Gatineau (Ontario part / partie de l'Ontario)		921,823	846,802	8.9	···	2
Québec †	CMA	765,706	719,153 A	6.5	7	2
Sherbrooke	CMA	201,890	191,410 A	5.5	19	4
Saguenay	CMA	157,790	156,305 A	1.0	26	5
Trois-Rivières	CMA	151,773	144,713 A	4.9	27	6
Saint-Jean-sur-Richelieu	CA	92,394	87,492	5.6	41	7
Drummondville	CA	88,480	82,949 A	6.7	45	8
Granby	CA	77,077	71,176 A	8.3	48	9
Saint-Hyacinthe	CA	56,794	54,976 A	3.3	57	10
Shawinigan	CA	55,009	56,408 A	-2.5	60	11
Rimouski	CA	50,912	48,918 A	4.1	62	12
Sorel-Tracy	CA	47,772	46,595 A	2.5	64	13
Joliette	CA	46,932	43,306 A	8.4	65	14
Victoriaville	CA	46,354	43,195 A	7.3	66	15
Rouyn-Noranda	CA	41,798	40,650 A	2.8	72	16
Salaberry-de-Valleyfield	CA	40,077	39,672	1.0	74	17
Saint-Georges	CA	34,642	32,902 A	5.3	80	18
Val-d'Or	CA	33,265	32,288	3.0	83	19
Alma	CA	33,018	31,864 A	3.6	84	20
Baie-Comeau	CA	28,789	29,674 A	-3.0	88	21
Sept-Îles	CA	28,487	27,827	2.4	89	22
Thetford Mines	CA	27,968	28,110 A	-0.5	91	23
Rivière-du-Loup	CA	27,734	26,423 A	5.0	93	24
Matane	CA	18,368	18,709 A	-1.8	111	25
Campbellton	CA	17,842	17,878 A	-0.2	113	···
Campbellton (New Brunswick part / partie du Nouveau-Brunswick)		14,520	14,816 A	-2.0	···	7
Campbellton (partie du Québec / Quebec part)		3,322	3,062	8.5	···	30
Amos	CA	17,090	17,176 A	-0.5	118	26
Dolbeau-Mistassini	CA	16,019	16,257 A	-1.5	122	27
Lachute	CA	12,551	11,832	6.1	137	28
Cowansville	CA	12,489	12,182 A	2.5	139	29
Hawkesbury	CA	12,128	12,267	-1.1	143	···
Hawkesbury (partie du Québec / Quebec part)		1,577	1,398	12.8	···	31
Hawkesbury (Ontario part / partie de l'Ontario)		10,551	10,869	-2.9	···	43

Age and sex

Thetford Mines – Age distribution

Chart C: Thetford Mines - Population by broad age groups

Chart C description: Thetford Mines - Population by broad age groups

Table 3 Thetford Mines – Age distributions by broad age groups and sex, 2011 Census
Age groups	Both sexes	Males	Females
0 to 14	12.8%	13.7%	11.9%
15 to 64	62.5%	64.8%	60.3%
65 and over	24.7%	21.4%	27.8%

In 2011, the percentage of the population aged 65 and over in Thetford Mines was 24.7%, compared with a national percentage of 14.8%. The percentage of the working age population (15 to 64) was 62.5% and the percentage of children aged 0 to 14 was 12.8%. In comparison, the national percentages were 68.5% for the population aged 15 to 64 and 16.7% for the population aged 0 to 14.

Thetford Mines – Population by broad age groups and sex

Table 4 Thetford Mines – Population by broad age groups and sex, and population change between 2006 and 2011, 2006 to 2011 censuses
Broad age groups by sex	Population
Broad age groups by sex	2011	2006	change	% change
Both sexes
Total	27,970	28,110	-140	-0.5
0 to 14	3,570	3,610	-40	-1.1
15 to 64	17,480	18,405	-925	-5.0
65 and over	6,920	6,095	825	13.5
Males
Total	13,420	13,440	-20	-0.1
0 to 14	1,845	1,875	-30	-1.6
15 to 64	8,700	9,105	-405	-4.4
65 and over	2,870	2,460	410	16.7
Females
Total	14,550	14,670	-120	-0.8
0 to 14	1,730	1,730	0	0.0
15 to 64	8,775	9,300	-525	-5.6
65 and over	4,045	3,635	410	11.3

Thetford Mines – Population by five-year age groups and sex

Chart D description: Thetford Mines - Population by five-year age groups and sex

Table 5 Thetford Mines – Population by five-year age groups and sex, 2011 Census
Age groups	Both sexes	Males	Females
Total - Age groups	27,970	13,420	14,550
0 to 4 years	1,245	630	615
5 to 9 years	1,135	600	535
10 to 14 years	1,195	615	580
15 to 19 years	1,435	745	700
20 to 24 years	1,340	695	645
25 to 29 years	1,205	620	585
30 to 34 years	1,530	770	760
35 to 39 years	1,285	675	610
40 to 44 years	1,440	710	730
45 to 49 years	1,950	955	995
50 to 54 years	2,365	1,155	1,210
55 to 59 years	2,460	1,210	1,255
60 to 64 years	2,460	1,170	1,295
65 to 69 years	2,000	970	1,025
70 to 74 years	1,525	670	855
75 to 79 years	1,380	555	825
80 to 84 years	1,075	395	675
85 to 89 years	655	205	445
90 to 94 years	235	60	180
95 to 99 years	50	10	35
100 years and over	5	0	5
Median age	50.5	48.6	52.3

Thetford Mines – Median age² of the population

Chart E: Canada, Quebec and Thetford Mines - Median age, 2006 and 2011 censuses

Chart E description: Canada, Quebec and Thetford Mines - Median age, 2006 and 2011 censuses

The median age in Thetford Mines was 50.5 years. In comparison, the median age of Quebec was 41.9 years.

Table 6 Canada, Quebec and Thetford Mines – Median age, 2006 and 2011 censuses
	Median age
	2006	2011
Canada	39.5	40.6
Quebec	41.0	41.9
Thetford Mines	48.0	50.5

Families and households

In 2011, the number of census families³ in Thetford Mines was 8,030, which represents a change of -1.2% from 2006. This compares to a growth rate for Canada of 5.5% over the same period.

In Thetford Mines, 57.0% of census families were married couples in 2011, while 29.1% were common-law-couples and 13.9% were lone-parent families.

Chart F: Thetford Mines - Census families by family structure

Chart F description: Thetford Mines - Census families by family structure

Thetford Mines – Family structure

Table 7 Canada, Quebec, Thetford Mines – Distribution of census families by family structure, 2011 Census
Geographic name	Total families	Married-couple families		Common-law-couple families		Lone-parent families		% change, census families, 2006 to 2011
Geographic name	Total families	number	%	number	%	number	%	% change, census families, 2006 to 2011
Canada †	9,389,695	6,293,950	67.0	1,567,905	16.7	1,527,840	16.3	5.5
Quebec †	2,203,625	1,143,370	51.9	694,750	31.5	365,515	16.6	3.9
Thetford Mines	8,030	4,575	57.0	2,340	29.1	1,115	13.9	-1.2

Thetford Mines – Presence of children within couple families

Married couples		Common-law-couples
with children	without children	with children	without children
1,165 (16.9%)	3,410 (49.3%)	1,210 (17.5%)	1,130 (16.4%)

Chart G description: Thetford Mines - Presence of children within couple families

Among couples (married and common-law) in the census agglomeration of Thetford Mines, 34.3% were couples with children aged 24 and under at home. In comparison, as a whole, 46.9% of couples in Canada had children aged 24 and under at home.

Among couples with children aged 24 and under at home in the census agglomeration of Thetford Mines, 82.5% were intact families, that is, in which all children were the biological or adopted children of both parents, while 17.5% were stepfamilies, in which there was at least one child was the biological or adopted child of only one married spouse or common-law partner. For Canada as a whole in 2011, 12.6% of couples with children aged 24 and under were stepfamilies.

Thetford Mines – Marital status

Chart H description: Thetford Mines - Marital status

In Thetford Mines, 58.1% of the total population aged 15 and over were either married (38.9%) or living with a common-law partner (19.3%).

The remaining 41.9% were not married and not living with a common-law partner, including those who were single (never-married), separated, divorced or widowed.

Note: Percentages may not total 100 percent due to random rounding.

Table 8 Canada, Quebec, Thetford Mines – Population 15 years and older by marital status, 2011 Census
Marital status	Thetford Mines		Quebec		Canada
Marital status	number	%	number	%	number	%
Total - Population 15 years and over	24,395	100.0	6,644,380	100.0	27,869,345	100.0
Married or living with a common-law partner	14,180	58.1	3,745,315	56.4	16,084,490	57.7
Married (and not separated)	9,485	38.9	2,353,775	35.4	12,941,965	46.4
Living common-law	4,700	19.3	1,391,545	20.9	3,142,525	11.3
Not married and not living with a common-law partner	10,210	41.9	2,899,060	43.6	11,784,855	42.3
Single (never legally married)	5,830	23.9	1,942,090	29.2	7,816,045	28.0
Separated	280	1.1	105,190	1.6	698,245	2.5
Divorced	1,860	7.6	463,830	7.0	1,686,035	6.0
Widowed	2,245	9.2	387,950	5.8	1,584,525	5.7

Thetford Mines – Types of private households

There were 12,900 private households⁴ in Thetford Mines in 2011, a change of 2.3% from 2006. Of these, 18.3% of households were comprised of couples with children aged 24 and under at home, a change of -9.2% compared with five years earlier.

Table 9 Canada, Quebec, Thetford Mines – Distribution of households by household type, 2011 Census
Household type⁵	Thetford Mines		Quebec		Canada
Household type⁵	number	%	number	%	number	%
Total - Private households	12,900	100.0	3,395,345	100.0	13,320,615	100.0
Couple-family households with children aged 24 and under at home⁶	2,360	18.3	811,120	23.9	3,524,915	26.5
Couple-family households without children aged 24 and under at home⁷	4,510	35.0	988,410	29.1	3,935,540	29.5
Lone-parent family households⁸	1,105	8.6	346,305	10.2	1,375,450	10.3
One-person households	4,630	35.9	1,094,410	32.2	3,673,310	27.6
Multiple-family households⁹	30	0.2	28,420	0.8	268,060	2.0
Other households¹⁰	265	2.1	126,680	3.7	543,340	4.1

Thetford Mines – Structural type of dwelling

In Thetford Mines, 64.5% of private households lived in single-detached houses and 0.0% lived in apartments in buildings that have five or more storeys. The rest lived in other types of dwelling structures.

Table 10 Canada, Quebec, Thetford Mines – Distribution of private households by structural type of dwelling, 2011 Census
Structural type of dwelling	Thetford Mines		Quebec		Canada
Structural type of dwelling	number	%	number	%	number	%
Total - Structural type of dwelling	12,905	100.0	3,395,345	100.0	13,320,615	100.0
Single-detached house	8,330	64.5	1,560,405	46.0	7,329,150	55.0
Semi-detached house	205	1.6	171,435	5.0	646,240	4.9
Row house	75	0.6	86,040	2.5	791,600	5.9
Apartment, building that has five or more storeys	0	0.0	171,110	5.0	1,234,770	9.3
Apartment, building that has fewer than five storeys	2,570	19.9	1,103,845	32.5	2,397,555	18.0
Apartment, duplex	1,495	11.6	263,860	7.8	704,485	5.3
Other single-attached house¹¹	65	0.5	15,650	0.5	33,310	0.3
Movable dwelling¹²	160	1.2	23,000	0.7	183,510	1.4

Language

Thetford Mines – Mother tongue

Chart J description: Thetford Mines - Mother tongue and language spoken most often at home

Note: Counts for mother tongue as well as those for language spoken most often at home include single responses only.

In Thetford Mines, 1.2% of the population reported English only as mother tongue, 97.4% reported French only, and 0.9% reported only a non-official language, in 2011. In comparison, the provincial / territorial percentages were 7.7% for English only, 78.1% for French only and 12.3% for only non-official languages.

In 2011, 0.7% of the population spoke only English most often at home, 98.2% spoke only French and 0.5% spoke only a non-official language. In comparison, the provincial / territorial percentages were 9.8% for English only, 80.0% for French only and 7.1% for only a non-official language.

Table 11 Thetford Mines – Mother tongue and language spoken most often at home, 2011 Census
Selected languages	Mother tongue		Language spoken most often at home
Selected languages	number	%	number	%
Total	27,335	100.0	27,335	100.0
English	325	1.2	205	0.7
French	26,625	97.4	26,840	98.2
Non-official language	255	0.9	125	0.5
Multiple responses	130	0.5	165	0.6

Table 12 Thetford Mines – Mother-tongue retention, 2011 Census
Mother tongue	Mother-tongue retention¹³ (in percentage)
Mother tongue	Total retention; language spoken at home at least on a regular basis	Complete retention; language spoken most often at home	Partial retention; language spoken at home on a regular basis
Note: Counts for mother tongue and home language include single response of a language as well as multiple responses of a language with English and/or French.
English	68.2	44.3	23.9
French	99.9	99.8	0.1
Non-official language	83.6	65.5	18.2

Thetford Mines – Non-official languages

In Thetford Mines, the three most common mother tongues were Spanish (0.5%), Arabic (0.2%) and Chinese, n.o.s. (0.1%), in 2011. In comparison, the most common mother tongues at the provincial / territorial level were Arabic (2.1%), Spanish (1.8%) and Italian (1.6%).

Table 13 Thetford Mines – The most common non-official-language mother tongues, 2011 Census
Mother tongue	Number	Percentage of non-official language mother-tongue population	Percentage of total population
Note: Counts for mother tongue and home language include single response of a language as well as multiple responses of a language with English and/or French.
Spanish	125	45.5	0.5
Arabic	45	16.4	0.2
Chinese, n.o.s.	15	5.5	0.1
Creoles	15	5.5	0.1
Italian	15	5.5	0.1
Lao	10	3.6	0.0

Thetford Mines – Bilingualism

Table 14 Thetford Mines – Rate of English-French bilingualism by mother tongue and age groups, 2011 Census
Age groups	Mother tongue
Age groups	Total	English	French	Non-official language
Note: Counts for mother tongue include single responses only. Consequently, the total excludes multiple responses.
Total	20.0	86.4	19.1	31.4
0 to 19	16.7	90.9	15.8	23.1
20 to 44	29.5	94.1	28.6	33.3
45 to 64	17.7	84.2	16.8	36.4
65 and over	15.9	78.9	14.9	25.0

Table 15 Thetford Mines – Knowledge of official languages, 2011 Census
Knowledge of official languages	Number	Percentage
Total	27,335	100.0
English only	25	0.1
French only	21,750	79.6
English and French	5,555	20.3
Neither English nor French	10	0.0

Symbols:

···: not applicable
†: excludes census data for one or more incompletely enumerated Indian reserves or Indian settlements. For further information, refer to Notes.
¶: incompletely enumerated Indian reserve or Indian settlement. For further information, refer to Notes.
A: adjusted figure due to boundary change. For further information, refer to Content considerations.
E: use with caution. For further information, refer to Cautionary note.

Footnotes

Footnote 1

Thetford Mines – This census agglomeration has the following data quality indicators (commonly referred to as data quality flags):

2006 adjusted count; most of these are the result of boundary changes.

Return to footnote 1 referrer

Footnote 2

Median age: Age 'x' that divides a population in two groups of the same population size, one group being older than age 'x' and the other group being younger than age 'x'.

Return to footnote 2 referrer

Footnote 3

Census family: Refers to a married couple (with or without children), a common-law couple (with or without children) or a lone parent family.

Return to footnote 3 referrer

Footnote 4

Household, private: Refers to a person or a group of persons (other than foreign residents) who occupy a private dwelling and do not have a usual place of residence elsewhere in Canada.

Return to footnote 4 referrer

Footnote 5

Household type: Refers to the basic division of private households into family and non-family households. Family household refers to a household that contains at least one census family, that is, a married couple with or without children, or a couple living in common-law with or without children or a lone parent living with one or more children.

Return to footnote 5 referrer

Footnote 6

Couple-family households with children: Refers to couple households with at least one child aged 24 and under.

Return to footnote 6 referrer

Footnote 7

Couple-family households without children: Refers to couple households without children aged 24 and under. Includes couple households with all children aged 25 and over.

Return to footnote 7 referrer

Footnote 8

Lone-parent-family households: Refers to all lone-parent family households regardless of age of children.

Return to footnote 8 referrer

Footnote 9

Multiple-family households: Refers to a household in which two or more census families (with or without additional persons) occupy the same private dwelling.

Return to footnote 9 referrer

Footnote 10

Other households: Refers to two or more people who share a private dwelling, but who do not constitute a census family.

Return to footnote 10 referrer

Footnote 11

Other single-attached house: A single dwelling that is attached to another building and that does not fall into any of the other categories, such as a single dwelling attached to a non-residential structure (e.g., a store or a church) or occasionally to another residential structure (e.g., an apartment building).

Return to footnote 11 referrer

Footnote 12

Movable dwelling includes mobile homes and other movable dwellings such as houseboats and railroad cars.

Return to footnote 12 referrer

Footnote 13

Mother-tongue retention: Retention refers to the situation where people speak their mother tongue at home. Retention is defined as 'complete' when the mother tongue is the language spoken most often and 'partial' when it is spoken on a regular basis but not most often. The (complete or partial) retention rate refers to the proportion of the population with a given mother tongue that speaks that language at home most often or on a regular basis. The retention rate provides an indication of a group's linguistic vitality, particularly the importance of transmitting languages between generations.

Return to footnote 13 referrer

Source:

Statistics Canada. 2012. Focus on Geography Series, 2011 Census. Statistics Canada Catalogue no. 98-310-XWE2011004. Ottawa, Ontario. Analytical products, 2011 Census. Last updated October 24, 2012.

Related data:

2011 Census Topic-based tabulations – Census agglomeration of Thetford Mines
2011 Census Highlight tables – Census agglomeration of Thetford Mines
2011 NHS Focus on Geography Series – Census agglomeration of Thetford Mines

Date modified:: 2019-03-27

Language selection

Search and menus

Search

Archived Content

Focus on Geography Series, 2011 Census