Rue has a population () of . , 8.3% of the population are resident foreign nationals. Over the last 10 years (2000–2010) the population has changed at a rate of 23.5%. Migration accounted for 17.9%, while births and deaths accounted for 4.1%. Most of the population () speaks
French (507 or 96.6%) as their first language,
German is the second most common (9 or 1.7%) and
Portuguese is the third (6 or 1.1%). There are 2 people who speak
Italian. , there were 369 private households in the municipality, and an average of 2.5 persons per household. , the construction rate of new housing units was 7.5 new units per 1000 residents. Colors= id:lightgrey value:gray(0.9) id:darkgrey value:gray(0.8) ImageSize = width:1140 height:210 PlotArea = height:150 left:100 bottom:50 right:100 AlignBars = justify DateFormat = x.y Period = from:0 till:680 TimeAxis = orientation:vertical AlignBars = justify ScaleMajor = gridcolor:darkgrey increment:100 start:0 ScaleMinor = gridcolor:lightgrey increment:20 start:0 PlotData= color:yellowgreen width:42 mark:(line,white) align:center bar:1278 from:start till:212 bar:1278 at:222 fontsize:S text: "
53 Hearths" shift:(7,5) bar:1368 from:start till:192 bar:1368 at:202 fontsize:S text: "
48 Hearths" shift:(7,5) bar:1425 from:start till:156 bar:1425 at:166 fontsize:S text: "
39 Hearths" shift:(7,5) bar:1850 from:start till:641 text:"641" bar:1860 from:start till:580 text:"580" bar:1870 from:start till:592 text:"592" bar:1880 from:start till:585 text:"585" bar:1888 from:start till:553 text:"553" bar:1900 from:start till:615 text:"615" bar:1910 from:start till:592 text:"592" bar:1920 from:start till:580 text:"580" bar:1930 from:start till:604 text:"604" bar:1941 from:start till:594 text:"594" bar:1950 from:start till:671 text:"671" bar:1960 from:start till:540 text:"540" bar:1970 from:start till:493 text:"493" bar:1980 from:start till:456 text:"456" bar:1990 from:start till:533 text:"533" bar:2000 from:start till:525 text:"525" ==Heritage sites of national significance==