Rueun had a population (as of 2011) of 414. , 8.7% of the population was made up of foreign nationals. , the gender distribution of the population was 48.9% male and 51.1% female. The age distribution, , in Rueun is; 67 children or 14.6% of the population are between 0 and 9 years old and 52 teenagers or 11.3% are between 10 and 19. Of the adult population, 44 people or 9.6% of the population are between 20 and 29 years old. 88 people or 19.1% are between 30 and 39, 69 people or 15.0% are between 40 and 49, and 34 people or 7.4% are between 50 and 59. The senior population distribution is 43 people or 9.3% of the population are between 60 and 69 years old, 36 people or 7.8% are between 70 and 79, there are 23 people or 5.0% who are between 80 and 89, and there are 4 people or 0.9% who are between 90 and 99. In the
2011 federal election the most popular party was the
CVP which received 51% of the vote. The next three most popular parties were the
SVP (13.2%), the
BDP (10.5%) and the
SP (8.5%). ==References==