La Vallée-du-Richelieu | |
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-MRC_Vall%25C3%25A9e_du_Richelieu-Bureau-chef-2022-09-13.jpg) | |
 Location in province of Quebec. | |
| Coordinates:45°34′N73°12′W / 45.567°N 73.200°W /45.567; -73.200[1] | |
| Country |  Canada |
| Province |  Quebec |
| Region | Montérégie |
| Effective | January 1, 1982 |
| County seat | McMasterville |
| Government | |
| • Type | Prefecture |
| • Prefect | Gilles Plante |
| Area | |
• Total | 605.50 km2 (233.78 sq mi) |
| • Land | 588.60 km2 (227.26 sq mi) |
| Population (2016)[3] | |
• Total | 124,420 |
| • Density | 211.4/km2 (548/sq mi) |
| • Change 2011-2016 |  6.5% |
| • Dwellings | 49,971 |
| Time zone | UTC−5 (EST) |
| • Summer (DST) | UTC−4 (EDT) |
| Area code(s) | 450 and 579 |
| Website | www |
| [4] | |
La Vallée-du-Richelieu (French pronunciation:[lavaledyʁiʃ(ə)ljø],The Valley of the Richelieu) is aregional county municipality in theMontérégie region in southwesternQuebec, Canada. Its seat isMcMasterville.
It surrounds theRichelieu River as the river flows north fromLake Champlain in theUnited States to theSaint Lawrence River northeast ofMontreal atSorel-Tracy,Quebec. Dramatically different from the mountainous terrain to the south, the river valley is a vast plain that has been developed with extensive farmlands.
In the 21st century, theRichelieu River is very popular for both U.S. and Canadian recreational boaters, providing a connection that can bring boaters all the way from the outlet of the Saint Lawrence River toNew York Harbor. A number of old fortifications exist dating back to the 17th century; they were built by the French in an effort to try to prevent theIroquois from using the river as a way to attack the French settlers in the area.Fort Richelieu is at the mouth of the Richelieu River. Fort St. Louis (nowFort Chambly) atChambly, Fort Sainte-Thérèse, andFort Saint-Jean atSaint-Jean-sur-Richelieu, are on the way. Fort St. AnneIsle La Motte, Vermont inLake Champlain is near the river's source. The region is informally known as la Vallée-des-Forts.
There are 13 subdivisions within the RCM:[2]
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| 2021 | 2016 | 2011 | |
|---|---|---|---|
| Population | 131,803 (+5.9% from 2016) | 124,420 (+6.5% from 2011) | 116,773 (+9.4% from 2006) |
| Land area | 587.84 km2 (226.97 sq mi) | 588.60 km2 (227.26 sq mi) | 588.88 km2 (227.37 sq mi) |
| Population density | 224.2/km2 (581/sq mi) | 211.4/km2 (548/sq mi) | 198.3/km2 (514/sq mi) |
| Median age | 42.0 (M: 41.6, F: 42.4) | 40.7 (M: 40.1, F: 41.2) | 39.5 (M: 38.9, F: 40.0) |
| Private dwellings | 53,796 (total) 52,785 (occupied) | 49,971 (total) | 46,215 (total) |
| Median household income | $100,000 | $84,889 | $74,521 |
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| Canada Census Mother Tongue - La Vallée-du-Richelieu Regional County Municipality, Quebec[8] | ||||||||||||||||||
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| Census | Total | French | English | French & English | Other | |||||||||||||
| Year | Responses | Count | Trend | Pop % | Count | Trend | Pop % | Count | Trend | Pop % | Count | Trend | Pop % | |||||
2016 | 123,485 | 114,405 | 5.7% | 92.6% | 3,990 |  1.7% | 3.2% | 1105 | 19.5% | 0.80% | 3985 | 61.0% | 2.14% | |||||
2011 | 115,690 | 108,230 | 9.5% | 93.55% | 4,060 | 0.6% | 3.51% | 925 | 55.5% | 0.80% | 2,475 | 4.4% | 2.14% | |||||
2006 | 105,870 | 98,870 | 8.6% | 93.39% | 4,035 | 41.9% | 3.81% | 595 | 43.3% | 0.56% | 2,370 | 2.1% | 2.24% | |||||
2001 | 118,635 | 108,215 | 5.8% | 91.22% | 6,950 | 2.7% | 5.86% | 1,050 | 8.8% | 0.88% | 2,420 | 3.2% | 2.04% | |||||
1996 | 112,920 | 102,310 | n/a | 90.60% | 7,145 | n/a | 6.33% | 965 | n/a | 0.85% | 2,500 | n/a | 2.21% | |||||
Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:
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Adjacent Counties & Equivalent Territories | |
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