Tschappina has a population (as of ) of . , 4.9% of the population was made up of foreign nationals. Over the last 10 years the population has decreased at a rate of -1.8%. , the gender distribution of the population was 53.1% male and 46.9% female. The age distribution, , in Tschappina is; 20 people or 13.2% of the population are between 0 and 9 years old. 14 people or 9.3% are 10 to 14, and 7 people or 4.6% are 15 to 19. Of the adult population, 8 people or 5.3% of the population are between 20 and 29 years old. 21 people or 13.9% are 30 to 39, 24 people or 15.9% are 40 to 49, and 21 people or 13.9% are 50 to 59. The senior population distribution is 15 people or 9.9% of the population are between 60 and 69 years old, 10 people or 6.6% are 70 to 79, there are 10 people or 6.6% who are 80 to 89, and there is 1 person who is 90 to 99. In the
2007 federal election the most popular party was the
SVP which received 54.2% of the vote. The next three most popular parties were the
SPS (16.4%), the
FDP (12.6%) and the
CVP (9.3%). ==Languages==