population was 49.5% male and 50.5% female. The population was made up of 1,350 Swiss men (38.8% of the population) and 370 (10.6%) non-Swiss men. There were 1,477 Swiss women (42.5%) and 281 (8.1%) non-Swiss women. Of the population in the municipality, 1,041 or about 30.9% were born in Tavannes and lived there in 2000. There were 1,069 or 31.7% who were born in the same canton, while 461 or 13.7% were born somewhere else in Switzerland, and 675 or 20.0% were born outside of Switzerland. , children and teenagers (0–19 years old) make up 22.8% of the population, while adults (20–64 years old) make up 60.6% and seniors (over 64 years old) make up 16.6%. , there were 1,355 people who were single and never married in the municipality. There were 1,631 married individuals, 224 widows or widowers and 163 individuals who are divorced. , there were 612 households that consist of only one person and 91 households with five or more people. , a total of 1,437 apartments (83.8% of the total) were permanently occupied, while 113 apartments (6.6%) were seasonally occupied and 164 apartments (9.6%) were empty. , the construction rate of new housing units was 4.6 new units per 1000 residents. The vacancy rate for the municipality, , was 1.66%. In 2011, single family homes made up 58.7% of the total housing in the municipality. The historical population is given in the following chart: Heritage sites of national significance The Church of Christ-Roi and the Pierre Pertuis (passage carved into the rock above the Roman road) are listed as Swiss heritage site of national significance. The entire urbanized village of Tavannes is part of the Inventory of Swiss Heritage Sites. The Church of Christ-Roi was built 1928-30 by Adolphe Guyonnet. The church is a simple, open three aisled church with much of the interior decoration by artists of the St. Luke Society (SSL) which was founded in Switzerland in 1924. The mosaic of the resurrection over the main entrance was done by Gino Severini and Louis Barillet. The main altar mosaic and pulpit mosaic of the Good Shepard were the work of Emilio-Maria Beretta. The stained glass is the work of Alexandre Cingria. The Pierre Pertuis is a Roman era tunnel through the mountains above Tavannes. The tunnel marked the border between the Raurici and Helvetii territories. A 3rd century inscription by Marcus Dunius Paternus is