| Roussillon | |
| Settlement Type: | Regional county municipality |
| Coordinates: | 45.3667°N -107°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Region |
| Subdivision Name2: | Montérégie |
| Established Title: | Effective |
| Established Date: | January 1, 1982 |
| Named For: | Régiment Royal Roussillon[1] |
| Seat Type: | County seat |
| Seat: | Saint-Constant |
| Government Type: | Prefecture |
| Leader Title: | Prefect |
| Leader Name: | Nathalie Simon |
| Area Footnotes: | [2] |
| Area Total Km2: | 403.60 |
| Area Land Km2: | 423.82 |
| Area Note: | There is an apparent contradiction between two authoritative sources |
| Population Total: | 171,443 |
| Population As Of: | 2016 |
| Population Density Km2: | 404.5 |
| Population Blank1 Title: | Change 2011–2016 |
| Population Blank1: | 5.7% |
| Population Note: | Population excludes incompletely enumerated First Nations reserves |
| Timezone: | EST |
| Utc Offset: | −5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −4 |
| Postal Code Type: | Postal code(s) |
| Area Code: | 450 and 579 |
Roussillon (pronounced as /fr/) is a regional county municipality in the Montérégie region of Quebec, Canada. The seat is in Saint-Constant, Quebec. The region's population was 171,443 as of the 2016 census.[2]
There are 11 subdivisions and one native reserve within the RCM:
| Canada Census Mother Tongue - Roussillon Regional County Municipality[3] | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census | Total | ||||||||||||||||||
| Year | Responses | Count | Trend | Pop % | Count | Trend | Pop % | Count | Trend | Pop % | Count | Trend | Pop % | ||||||
| 131,390 | 0.13% | 71.35% | 20,740 | 8.5% | 11.26% | 3,985 | 67.78% | 2.16% | 24,535 | 50.10% | 13.32% | ||||||||
| 131,215 | 2.7% | 76.8% | 19,115 | 2.02% | 11.12% | 2375 | 16.14% | 1.39% | 16,345 | 38.28% | 9.57% | ||||||||
| 127,660 | 4.3% | 79.66% | 18,735 | 13.2% | 11.69% | 2,045 | 89.4% | 1.28% | 11,820 | 37.6% | 7.37% | ||||||||
| 122,345 | 7.4% | 82.35% | 16,545 | 1.1% | 11.14% | 1,080 | 8.5% | 0.73% | 8,590 | 48.2% | 5.78% | ||||||||
| 113,865 | 6.3% | 82.99% | 16,360 | 4.2% | 11.93% | 1,180 | 11.3% | 0.86% | 5,795 | 6.1% | 4.22% | ||||||||
| 107,105 | n/a | 81.78% | 17,080 | n/a | 13.04% | 1,330 | n/a | 1.01% | 5,460 | n/a | 4.17% | ||||||||
Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:[4]