Lens () is a municipality in the district of Sierre in the canton of Valais in Switzerland.

History

Lens is first mentioned in 1177 as de Lenz.

Of the built up area, housing and buildings made up 11.2% and transportation infrastructure made up 4.0%. while parks, green belts and sports fields made up 3.8%. Out of the forested land, 33.6% of the total land area is heavily forested and 5.8% is covered with orchards or small clusters of trees. Of the agricultural land, 0.4% is used for growing crops and 11.6% is pastures, while 9.1% is used for orchards or vine crops and 15.3% is used for alpine pastures. All the water in the municipality is in lakes.

Demographics

thumb|[[Chelin, Switzerland|Chelin village in Lens]]

thumb|Le Louche lake in Lens

Lens has a population () of . , 28.6% of the population are resident foreign nationals. Over the last 10 years (2000–2010) the population has changed at a rate of 9.8%. It has changed at a rate of 11.9% due to migration and at a rate of 0% due to births and deaths.

Most of the population () speaks French (2,876 or 85.7%) as their first language, German is the second most common (128 or 3.8%) and Italian is the third (110 or 3.3%). There is 1 person who speaks Romansh. Of the population in the municipality, 1,481 or about 44.1% were born in Lens and lived there in 2000. There were 624 or 18.6% who were born in the same canton, while 290 or 8.6% were born somewhere else in Switzerland, and 861 or 25.6% were born outside of Switzerland.

, there were 1,406 private households in the municipality, and an average of 2.3 persons per household. , the construction rate of new housing units was 8.5 new units per 1000 residents.

<timeline>

Colors=

id:lightgrey value:gray(0.9)

id:darkgrey value:gray(0.8)

ImageSize = width:1020 height:210

PlotArea = height:150 left:100 bottom:50 right:100

AlignBars = justify

DateFormat = x.y

Period = from:0 till:3400

TimeAxis = orientation:vertical

AlignBars = justify

ScaleMajor = gridcolor:darkgrey increment:700 start:0

ScaleMinor = gridcolor:lightgrey increment:140 start:0

PlotData=

color:yellowgreen width:40 mark:(line,white) align:center

bar:1687 from:start till:567 text:"567"

bar:1850 from:start till:688 text:"688"

bar:1860 from:start till:1963 text:"1,963"

bar:1870 from:start till:2096 text:"2,096"

bar:1880 from:start till:2173 text:"2,173"

bar:1888 from:start till:2251 text:"2,251"

bar:1900 from:start till:2504 text:"2,504"

bar:1910 from:start till:1111 text:"1,111"

bar:1920 from:start till:1252 text:"1,252"

bar:1930 from:start till:1382 text:"1,382"

bar:1941 from:start till:1634 text:"1,634"

bar:1950 from:start till:1660 text:"1,660"

bar:1960 from:start till:1743 text:"1,743"

bar:1970 from:start till:2052 text:"2,052"

bar:1980 from:start till:2412 text:"2,412"

bar:1990 from:start till:3059 text:"3,059"

bar:2000 from:start till:3357 text:"3,357"

</timeline>

Sights

The entire village of Lens is designated as part of the Inventory of Swiss Heritage Sites.

Politics

In the 2007 federal election the most popular party was the CVP which received 36.06% of the vote. The next three most popular parties were the FDP (24.32%), the SVP (18.75%) and the SP (12.34%). In the federal election, a total of 1,416 votes were cast, and the voter turnout was 64.2%.

In the 2009 Conseil d'État/Staatsrat election a total of 1,287 votes were cast, of which 104 or about 8.1% were invalid. The voter participation was 59.2%, which is similar to the cantonal average of 54.67%. In the 2007 Swiss Council of States election a total of 1,391 votes were cast, of which 99 or about 7.1% were invalid. The voter participation was 64.1%, which is similar to the cantonal average of 59.88%.

Economy

, Lens had an unemployment rate of 3.7%. , there were 181 people employed in the primary economic sector and about 54 businesses involved in this sector. 184 people were employed in the secondary sector and there were 29 businesses in this sector. 974 people were employed in the tertiary sector, with 149 businesses in this sector.

, there were 401 workers who commuted into the municipality and 952 workers who commuted away. The municipality is a net exporter of workers, with about 2.4 workers leaving the municipality for every one entering. Of the working population, 7.2% used public transportation to get to work, and 68.9% used a private car.