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Thetford Mines

12,344 properties on the 2025 property assessment roll

Thetford Mines has 12,344 properties on the 2025 property assessment roll. The most common property types are single-family home (7,788), duplex (779), triplex (260). The median assessed value on the roll is $172,000, an average increase of 38.5% over the previous roll. The median year of construction is 1966.

According to the 2021 Census, Thetford Mines has 26,072 residents (+2.6% since 2016), with a median age of 54. 66% of households own their home. The median after-tax household income is $50,800 and the median dwelling value reported in the census was $150,000.

Sources: 2025 property assessment roll (MAMH) · 2021 Census (Statistics Canada).

The market by property type

Single-family home
7,788
Avg. assessment $205,515
Duplex
779
Avg. assessment $165,009
Triplex
260
Avg. assessment $187,537
Condominium
240
Avg. assessment $193,657
Mobile home
197
Avg. assessment $98,097
Residential
170
Avg. assessment $1,116,781
Quadruplex
133
Avg. assessment $229,304
Cottage or vacation home
92
Avg. assessment $123,854

Population trend

+1.7% since 2001

All of Thetford Mines · annual estimates from the ISQ

202527,155 residents20012025

Population estimates as of July 1, Institut de la statistique du Québec (ISQ) (2001-2025). Recent years are revised or preliminary.

Main streets in Thetford Mines

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Other streets in Thetford Mines

Properties in Thetford Mines