Glovelier had a population () of 1,200. , 7.8% of the population are resident foreign nationals. Over the last 10 years (2000–2010) the population has changed at a rate of 7.9%. Migration accounted for 4.7%, while births and deaths accounted for 4.5%. Most of the population () speaks
French (1,033 or 92.1%) as their first language,
German is the second most common (25 or 2.2%) and
Italian is the third (20 or 1.8%). Of the population in the municipality, 465 or about 41.4% were born in Glovelier and lived there in 2000. There were 347 or 30.9% who were born in the same canton, while 122 or 10.9% were born somewhere else in Switzerland, and 153 or 13.6% were born outside of Switzerland. , there were 436 private households in the municipality, and an average of 2.5 persons per household. , the construction rate of new housing units was 7.6 new units per 1000 residents. 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:1200 TimeAxis = orientation:vertical AlignBars = justify ScaleMajor = gridcolor:darkgrey increment:200 start:0 ScaleMinor = gridcolor:lightgrey increment:40 start:0 PlotData= color:yellowgreen width:40 mark:(line,white) align:center bar:1818 from:start till:481 text:"481" bar:1850 from:start till:537 text:"537" bar:1860 from:start till:530 text:"530" bar:1870 from:start till:578 text:"578" bar:1880 from:start till:611 text:"611" bar:1888 from:start till:551 text:"551" bar:1900 from:start till:634 text:"634" bar:1910 from:start till:710 text:"710" bar:1920 from:start till:716 text:"716" bar:1930 from:start till:763 text:"763" bar:1941 from:start till:802 text:"802" bar:1950 from:start till:898 text:"898" bar:1960 from:start till:969 text:"969" bar:1970 from:start till:997 text:"997" bar:1980 from:start till:934 text:"934" bar:1990 from:start till:990 text:"990" bar:2000 from:start till:1122 text:"1,122" ==Heritage sites of national significance==