Mon had a population (as of 2013) of 90. , 5.6% of the population was made up of foreign nationals. Over the last 10 years the population has grown at a rate of 7.1%. Most of the population () speaks Rhaeto-Romance (52.3%), with German being second most common (45.3%) and Italian being third ( 1.2%). The age distribution, , in Mon is; 13 people or 15.1% of the population are between 0 and 9 years old. 8 people or 9.3% are 10 to 14, and 1 people or 1.2% are 15 to 19. Of the adult population, 5 people or 5.8% of the population are between 20 and 29 years old. 11 people or 12.8% are 30 to 39, 17 people or 19.8% are 40 to 49, and 9 people or 10.5% are 50 to 59. The senior population distribution is 11 people or 12.8% of the population are between 60 and 69 years old, 9 people or 10.5% are 70 to 79, there are 2 people or 2.3% who are 80 to 89. In the
2007 federal election the most popular party was the
CVP which received 56.1% of the vote. The next three most popular parties were the
SPS (24.3%), the
SVP (13.8%) and the
FDP (5.9%). ==Heritage sites of national significance==