| La Vallée-de-l'Or | |
| Settlement Type: | Regional county municipality |
| Coordinates: | 48.3833°N -91°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Region |
| Established Title: | Effective |
| Established Date: | April 8, 1981 |
| Seat Type: | County seat |
| Seat: | Val-d'Or |
| Government Type: | Prefecture |
| Leader Title: | Prefect |
| Leader Name: | Martin Ferron |
| Area Total Km2: | 27,349.47 |
| Area Land Km2: | 24,094.84 |
| Population Footnotes: | [1] |
| Population Total: | 43,347 |
| Population As Of: | 2021 |
| Population Density Km2: | 1.8 |
| Population Blank1 Title: | Change (2016-21) |
| Population Blank1: | 0.3% |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 20,944 |
| Timezone: | EST |
| Utc Offset: | −5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −4 |
| Postal Code Type: | Postal code(s) |
| Area Code: | 819 |
La Vallée-de-l'Or is a regional county municipality in the Abitibi-Témiscamingue region in Northwestern Quebec, Canada. The seat is in Val-d'Or. It is named for its gold deposits in the Harricana River and Bell River valleys.
Originally part of Abitibi RCM, it was created in April 1981 as Vallée-de-l'Or Regional County Municipality. The name, adjusted to La Vallée-de-l'Or on October 11, 2003, means "The Valley of Gold" and refers to the area at the sources of the Harricana River where the Abitibi gold rush took place in the 1930s.[2]
There are 10 subdivisions within the RCM:
| Canada Census Mother Tongue - La Vallée-de-l'Or Regional County Municipality, Quebec | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census | Total | ||||||||||||||||||
| Year | Responses | Count | Trend | Pop % | Count | Trend | Pop % | Count | Trend | Pop % | Count | Trend | Pop % | ||||||
| 39,735 | 1.0% | 92.88% | 1,105 | 8.3% | 2.58% | 250 | 13.8% | 0.58% | 1,690 | 13.8% | 3.95% | ||||||||
| 39,360 | 3.6% | 92.96% | 1,205 | 25.5% | 2.85% | 290 | 1.8% | 0.68% | 1,485 | 27.7% | 3.51% | ||||||||
| 37,975 | 2.1% | 92.00% | 960 | 5.4% | 2.33% | 285 | 5.0% | 0.69% | 2,055 | 18.4% | 4.98% | ||||||||
| 38,795 | 4.4% | 92.71% | 1,015 | 19.8% | 2.43% | 300 | 15.5% | 0.72% | 1,735 | 8.1% | 4.15% | ||||||||
| 40,565 | n/a | 92.66% | 1,265 | n/a | 2.89% | 355 | n/a | 0.81% | 1,595 | n/a | 3.64% | ||||||||
Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:[3]