Ruswil has an area of. Of this area, 72.7% is used for agricultural purposes, while 20.9% is forested. Of the rest of the land, 6.2% is settled and the remainder is non-productive. , 20.94% of the total land area was forested. Of the agricultural land, 68.4% is used for farming or pastures, while 4.3% is used for orchards or vine crops. Of the settled areas, 3.18% is covered with buildings, 0.35% is industrial, 0.4% is classed as special developments, 0.13% is parks or greenbelts and 2.12% is transportation infrastructure. Of the unproductive areas, 0.15% is unproductive flowing water and 0.02% is other unproductive land.
Demographics
Ruswil has a population of. , 4.6% of the population was made up of foreign nationals. Over the last 10 years the population has grown at a rate of 2.8%. Most of the population speaks German , with Italian being second most common and Albanian being third. In the 2007 election the most popular party was the CVP which received 42.5% of the vote. The next three most popular parties were the SVP, the FDP and the SPS. The age distribution in Ruswil is; 1,690 people or 26.2% of the population is 0–19 years old. 1,726 people or 26.7% are 20–39 years old, and 2,169 people or 33.6% are 40–64 years old. The senior population distribution is 628 people or 9.7% are 65–79 years old, 200 or 3.1% are 80–89 years old and 47 people or 0.7% of the population are 90+ years old. In Ruswil about 73% of the population have completed either non-mandatory upper secondary education or additional higher education. there are 2,136 households, of which 529 households contain only a single individual. 338 or about 15.8% are large households, with at least five members. there were 1,117 inhabited buildings in the municipality, of which 745 were built only as housing, and 372 were mixed use buildings. There were 465 single family homes, 152 double family homes, and 128 multi-family homes in the municipality. Most homes were either two or three story structures. There were only 35 single story buildings and 73 four or more story buildings. Ruswil has an unemployment rate of 0.85%. , there were 664 people employed in the primary economic sector and about 223 businesses involved in this sector. 691 people are employed in the secondary sector and there are 69 businesses in this sector. 901 people are employed in the tertiary sector, with 144 businesses in this sector. 51.5% of the population of the municipality were employed in some capacity. At the same time, females made up 39.5% of the workforce. the religious membership of Ruswil was; 5,226 were Roman Catholic, and 475 were Protestant, with an additional 21 that were of some other Christian faith. There are 73 individuals who are Muslim. Of the rest; there were 11 individuals who belong to another religion, 163 who do not belong to any organized religion, 293 who did not answer the question.
