Rongellen has an area,, of. Of this area, 15.2% is used for agricultural purposes, while 63.2% is forested. Of the rest of the land, 5.4% is settled and the remainder is non-productive. Before 2017, the municipality was located in the Schams sub-district, of the Hinterrhein district, after 2017 it was part of the Viamala Region. It consists of scattered individual farm houses and small groups of houses in a clearing along the old Viamala road.
Demographics
Rongellen has a population of. , 11.1% of the population was made up of foreign nationals. Over the last 10 years the population has decreased at a rate of -4.3%. , the gender distribution of the population was 53.3% male and 46.7% female. The age distribution,, in Rongellen is; 2 people or 3.8% of the population are between 0 and 9 years old. 2 people or 3.8% are 10 to 14, and 11 people or 20.8% are 15 to 19. Of the adult population, 8 people or 15.1% of the population are between 20 and 29 years old. 7 people or 13.2% are 30 to 39, 5 people or 9.4% are 40 to 49, and 8 people or 15.1% are 50 to 59. The senior population distribution is 2 people or 3.8% of the population are between 60 and 69 years old, 7 people or 13.2% are 70 to 79, there is 1 person or 1.9% who is 80 to 89. In the 2007 federal election the most popular party was the SVP which received 65.6% of the vote. The next two most popular parties were the FDP and the CVP. In Rongellen about 69.6% of the population have completed either non-mandatory upper secondary education or additional higher education. Rongellen has an unemployment rate of 4.8%. , there were 3 people employed in the primary economic sector and about 1 business involved in this sector. No one is employed in the secondary sector and there are no businesses in this sector. 3 people are employed in the tertiary sector, with 1 business in this sector. The historical population is given in the following table:
year
population
1780
75
1850
63
1900
49
1950
71
2000
53
Languages
Most of the population speaks German, with Romansh being second most common and Klaf being third.
