L'Île-Cadieux
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Town hall
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Location within Vaudreuil-Soulanges RCM
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  L'Île-Cadieux Location in southern Quebec | |
| Coordinates: 45°26′N 74°01′W / 45.433°N 74.017°W / 45.433; -74.017[1] | |
| Country | Canada |
| Province | Quebec |
| Region | Montérégie |
| RCM | Vaudreuil-Soulanges |
| Constituted | March 21, 1922 |
| Government | |
| • Mayor | Daniel Martel |
| • Federal riding | Vaudreuil-Soulanges |
| • Prov. riding | Vaudreuil |
| Area | |
| • Total | 8.90 km2 (3.44 sq mi) |
| • Land | 0.59 km2 (0.23 sq mi) |
| Population
(2016)[4]
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| • Total | 126 |
| • Density | 212.3/km2 (550/sq mi) |
| • Pop 2011-2016 |  20.0% |
| • Dwellings | 64 |
| Time zone | UTC−5 (EST) |
| • Summer (DST) | UTC−4 (EDT) |
| Postal code(s) | |
| Area code(s) | 450 and 579 |
| Highways | No major routes |
| Website | www |
L'Île-Cadieux is a village and municipality in the Montérégie region of Quebec, Canada, part of the Vaudreuil-Soulanges Regional County Municipality. It is located on and contiguous with Cadieux Island, which projects into Lake of Two Mountains just north off Vaudreuil-sur-le-Lac. The population as of the Canada 2011 Census was 105.
The island was formerly known as Vaudreuil Island but was named『Île à Cadieu』in an unpublished document of the second half of the nineteenth century. This name could be a reference to one of two Cadieux, Pierre and Hyacinthe, who owned land in the first concession along the Cove of Vaudreuil at that time.[5]
In 1922, the municipality was formed by separating from the Parish Municipality of Saint-Michel-de-Vaudreuil.[5]
| Year | Pop. | ±% |
|---|---|---|
| 1976 | 75 | — |
| 1981 | 99 | +32.0% |
| 1986 | 113 | +14.1% |
| 1991 | 140 | +23.9% |
| 1996 | 121 | −13.6% |
| 2001 | 127 | +5.0% |
| 2006 | 128 | +0.8% |
| 2011 | 105 | −18.0% |
| 2016 | 126 | +20.0% |
| Source: Statistics Canada[6] | ||
In the 2021 Census of Population conducted by Statistics Canada, L'Île-Cadieux had a population of 120 living in 55 of its 64 total private dwellings, a change of -4.8% from its 2016 population of 126. With a land area of 0.59 km2 (0.23 sq mi), it had a population density of 203.4/km2 (526.8/sq mi) in 2021.[7]
| 2021 | 2016 | 2011 | |
|---|---|---|---|
| Population | 120 (-4.8% from 2016) | 126 (20.0% from 2011) | 105 (-18.0% from 2006) |
| Land area | 0.59 km2 (0.23 sq mi) | 0.59 km2 (0.23 sq mi) | 0.57 km2 (0.22 sq mi) |
| Population density | 204.8/km2 (530/sq mi) | 212.3/km2 (550/sq mi) | 185.2/km2 (480/sq mi) |
| Median age | 59.2 (M: 61.6, F: 54.8) | 57.0 (M: 57.2, F: 56.8) | 57.1 (M: 60.0, F: 54.2) |
| Private dwellings | 64 (total) 55 (occupied) | 64 (total) | 59 (total) |
| Median household income | $131,584 | $.N/A |
| Canada Census Mother Tongue - L'Île-Cadieux, Quebec[6] | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census | Total |
French
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English
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French & English
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Other
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| Year | Responses | Count | Trend | Pop % | Count | Trend | Pop % | Count | Trend | Pop % | Count | Trend | Pop % | |||||
2016
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125
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75 | 8.3%
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60.0% | 30 | 20.0%
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24.0% | 0 |  0.0%
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0.0% | 20 | 0.0%
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16.0% | |||||
2011
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105
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60 | 20.0%
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57.1% | 25 |  44.4%
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23.8% | 0 | 0.0%
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0.0% | 20 | 33.3%
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19.1% | |||||
2006
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125
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50 | 47.4%
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40.0% | 45 | 200.0%
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36.0% | 0 | 0.0%
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0.0% | 30 | 100.0%
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24.0% | |||||
2001
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125
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95 | 46.2%
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76.0% | 15 | 25.0%
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12.0% | 0 | 0.0%
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0.0% | 15 | 57.1%
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12.0% | |||||
1996
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120
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65 | n/a | 54.2% | 20 | n/a | 16.7% | 0 | n/a | 0.0% | 35 | n/a | 29.2% | |||||
List of former mayors:[13]
Commission Scolaire des Trois-Lacs operates Francophone schools.[14] It is zoned to École Saint-Michel and École Sainte-Madeleine in Vaudreuil-Dorion.[15]
Lester B. Pearson School Board operates Anglophone schools. It is zoned to Mount Pleasant Elementary School in Hudson.[16]
Adjacent Municipal Subdivisions
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 Subdivisions of Vaudreuil-Soulanges Regional County Municipality | |
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