Blainville lies at the foot of the Laurentians, a range of ancient, worn-down mountains and hills, which forms a part of the Canadian Shield.
Mostly known as a home for heavy industry, the town is also a centre of recreational and tourist activities. It is at the southern limit of the web of cross-country ski trails that meander through the Laurentides.
Blainville is known to have expensive neighbourhoods near its golf course, such as Le Blainvillier. The price range for a home is as low as $250,000 Canadian to as high as $1,500,000 Canadian or even higher, depending how far it is from the golf course.
Blainville has the greatest population increase in the Laurentides area. The population increased by 57.1% between 1996 and 2006.
The Boréale brewery is located in Blainville.
The 2006 census found that 91.4% of residents spoke French as their mother tongue.
The next most common languages were English (2.8%) and Portuguese (1.4%).
| Mother Tongue | Population | Percentage |
|---|---|---|
| French | 42,490 | 91.40% |
| English | 1,310 | 2.82% |
| English and French | 225 | 0.48% |
| French and a non-official language | 155 | 0.33% |
| English and a non-official language | 45 | 0.10% |
| English, French and a non-official language | 15 | 0.03% |
| Portuguese | 665 | 1.43% |
| Italian | 400 | 0.86% |
| Arabic | 340 | 0.73% |
| Spanish | 305 | 0.66% |
| Vietnamese | 100 | 0.22% |