Wauwil has an area,, of. Of this area, 72.1% is used for agricultural purposes, while 9.9% is forested. The rest of the land, is settled. , 10.17% of the total land area was forested. Of the agricultural land, 69.15% is used for farming or pastures, while 2.71% is used for orchards or vine crops. Of the settled areas, 10.85% is covered with buildings, 2.37% is industrial, 0.34% is classed as special developments, 0.68% is parks or greenbelts and 3.73% is transportation infrastructure.
Wauwil has a population of. , 483 or about 28.5% are not Swiss citizens. Over the last 10 years the population has grown at a rate of 0.5%. Most of the population speaks German , with Serbo-Croatian being second most common and Albanian being third. In the 2007 election the most popular party was the CVP which received 39.7% of the vote. The next three most popular parties were the SVP, the FDP and the SPS. The age distribution,, in Wauwil is; 409 people or 24.2% of the population is 0–19 years old. 463 people or 27.3% are 20–39 years old, and 603 people or 35.6% are 40–64 years old. The senior population distribution is 157 people or 9.3% are 65–79 years old, 50 or 3% are 80–89 years old and 11 people or 0.6% of the population are 90+ years old. In Wauwil about 53.9% of the population have completed either non-mandatory upper secondary education or additional higher education. there are 588 households, of which 144 households contain only a single individual. 90 or about 15.3% are large households, with at least five members. there were 304 inhabited buildings in the municipality, of which 255 were built only as housing, and 49 were mixed use buildings. There were 159 single family homes, 45 double family homes, and 51 multi-family homes in the municipality. Most homes were either two or three story structures. There were only 24 single story buildings and 18 four or more story buildings. Wauwil has an unemployment rate of 2.23%. , there were 159 people employed in the primary economic sector and about 22 businesses involved in this sector. 113 people are employed in the secondary sector and there are 17 businesses in this sector. 197 people are employed in the tertiary sector, with 44 businesses in this sector. 53.4% of the population of the municipality were employed in some capacity. At the same time, females made up 43.1% of the workforce. the religious membership of Wauwil was; 1,135 were Roman Catholic, and 100 were Protestant, with an additional 166 that were of some other Christian faith. There are 103 individuals who are Muslim. Of the rest; there were 19 individuals who belong to another religion, 56 who do not belong to any organized religion, 92 who did not answer the question.
Weather
Wauwil has an average of 128.1 days of rain per year and on average receives of precipitation. The wettest month is June during which time Wauwil receives an average of of precipitation. During this month there is precipitation for an average of 12.4 days. The month with the most days of precipitation is May, with an average of 13.1, but with only of precipitation. The driest month of the year is October with an average of of precipitation over 12.4 days.
