Riviera, Ticino

On October 18, 2015 the citizens of Osogna, Lodrino, Iragna and Cresciano voted to merge their municipalities into the new municipality of Riviera as the name of their district. The merger was enacted by the Grand Council of Ticino. The election of the municipal council marked the beginning of the new municipality. ==Geography==

The municipality is located in the Riviera district south of Biasca and north of Bellinzona on both banks of the Ticino. A recreation park is planned on these banks. The rocks of the region consist mainly of gneisses and granites (some quarries are operated in Lodrino). The vegetation is composed primarily of deciduous trees (beeches, chestnut trees) up to about 900 m (3,000 ft) and then evergreen trees (spruces and larches). Chestnuts were an important food for the population. ==Demographics==

The new municipality has a population () of . ==Historic population==

The historical population is given in the following chart: Colors= id:lightgrey value:gray(0.9) id:darkgrey value:gray(0.8) ImageSize = width:1100 height:500 PlotArea = height:350 left:100 bottom:90 right:100 Legend = columns:3 left:220 top:70 columnwidth:160 AlignBars = justify DateFormat = x.y Period = from:0 till:3500 TimeAxis = orientation:vertical AlignBars = justify ScaleMajor = gridcolor:darkgrey increment:500 start:0 ScaleMinor = gridcolor:lightgrey increment:100 start:0 Colors= id:OS value:yellowgreen legend:Osogna id:LO value:green legend:Lodrino id:IR value:blue legend:Iragna id:CR value:red legend:Cresciano PlotData= color:yellowgreen width:30 mark:(line,white) align:center bar:1850 from: 0 till:262 text:"262" color:OS bar:1860 from: 0 till:308 text:"308" color:OS bar:1870 from: 0 till:338 text:"338" color:OS bar:1880 from: 0 till:366 text:"366" color:OS bar:1888 from: 0 till:420 text:"420" color:OS bar:1900 from: 0 till:656 text:"656" color:OS bar:1910 from: 0 till:637 text:"637" color:OS bar:1920 from: 0 till:597 text:"597" color:OS bar:1930 from: 0 till:503 text:"503" color:OS bar:1941 from: 0 till:466 text:"466" color:OS bar:1950 from: 0 till:489 text:"489" color:OS bar:1960 from: 0 till:524 text:"524" color:OS bar:1970 from: 0 till:750 text:"750" color:OS bar:1980 from: 0 till:774 text:"774" color:OS bar:1990 from: 0 till:839 text:"839" color:OS bar:2000 from: 0 till:941 text:"941" color:OS bar:1850 from: 262 till:796 text:"534" color:LO bar:1860 from: 308 till:812 text:"504" color:LO bar:1870 from: 338 till:856 text:"518" color:LO bar:1880 from: 366 till:907 text:"541" color:LO bar:1888 from: 420 till:956 text:"536" color:LO bar:1900 from: 656 till:1432 text:"776" color:LO bar:1910 from: 637 till:1331 text:"694" color:LO bar:1920 from: 597 till:1213 text:"616" color:LO bar:1930 from: 503 till:1132 text:"629" color:LO bar:1941 from: 466 till:1095 text:"629" color:LO bar:1950 from: 489 till:1241 text:"752" color:LO bar:1960 from: 524 till:1348 text:"824" color:LO bar:1970 from: 750 till:1825 text:"1075" color:LO bar:1980 from: 774 till:1943 text:"1169" color:LO bar:1990 from: 839 till:2084 text:"1245" color:LO bar:2000 from: 941 till:2402 text:"1461" color:LO bar:1850 from: 796 till:1170 text:"374" color:IR bar:1860 from: 812 till:1140 text:"328" color:IR bar:1870 from: 856 till:1198 text:"342" color:IR bar:1880 from: 907 till:1214 text:"307" color:IR bar:1888 from: 956 till:1219 text:"263" color:IR bar:1900 from: 1432 till:1776 text:"344" color:IR bar:1910 from: 1331 till:1727 text:"396" color:IR bar:1920 from: 1213 till:1541 text:"328" color:IR bar:1930 from: 1132 till:1425 text:"293" color:IR bar:1941 from: 1095 till:1365 text:"270" color:IR bar:1950 from: 1241 till:1501 text:"260" color:IR bar:1960 from: 1348 till:1659 text:"311" color:IR bar:1970 from: 1825 till:2242 text:"417" color:IR bar:1980 from: 1943 till:2377 text:"434" color:IR bar:1990 from: 2084 till:2531 text:"447" color:IR bar:2000 from: 2402 till:2893 text:"491" color:IR bar:1850 from: 1170 till:1452 text:"282" color:CR bar:1860 from: 1140 till:1459 text:"319" color:CR bar:1870 from: 1198 till:1539 text:"341" color:CR bar:1880 from: 1214 till:1571 text:"357" color:CR bar:1888 from: 1219 till:1640 text:"421" color:CR bar:1900 from: 1776 till:2371 text:"595" color:CR bar:1910 from: 1727 till:2275 text:"548" color:CR bar:1920 from: 1541 till:2052 text:"511" color:CR bar:1930 from: 1425 till:1947 text:"522" color:CR bar:1941 from: 1365 till:1839 text:"474" color:CR bar:1950 from: 1501 till:2000 text:"499" color:CR bar:1960 from: 1659 till:2180 text:"521" color:CR bar:1970 from: 2242 till:2848 text:"606" color:CR bar:1980 from: 2377 till:2845 text:"468" color:CR bar:1990 from: 2531 till:3044 text:"513" color:CR bar:2000 from: 2893 till:3480 text:"587" color:CR ==References==