Horriwil is a municipality in the district of Wasseramt in the canton of Solothurn in Switzerland.

[3] Horriwil has an area, as of 2009[update], of 2.63 square kilometers (1.02 sq mi).

The blazon of the municipal coat of arms is Gules on a Bend sinister a Ploughshare Azure.

[8] Most of the population (as of 2000[update]) speaks German (785 or 97.9%), with French being second most common (5 or 0.6%) and Italian being third (4 or 0.5%).

[7] The age distribution, as of 2000[update], in Horriwil is; 74 children or 9.2% of the population are between 0 and 6 years old and 142 teenagers or 17.7% are between 7 and 19.

The greatest number of single family homes (49) were built between 1971 and 1980.

[8] The historical population is given in the following chart:[3][13] In the 2007 federal election the most popular party was the SVP which received 29.1% of the vote.

In the federal election, a total of 382 votes were cast, and the voter turnout was 59.0%.

[8] There were 414 residents of the municipality who were employed in some capacity, of which females made up 41.8% of the workforce.

In 2008[update] the total number of full-time equivalent jobs was 168.

The number of jobs in the secondary sector was 119 of which 100 or (84.0%) were in manufacturing and 18 (15.1%) were in construction.

In the tertiary sector; 2 or 6.3% were in wholesale or retail sales or the repair of motor vehicles, 2 or 6.3% were in the movement and storage of goods, 3 or 9.4% were in a hotel or restaurant, 1 was in the information industry, 2 or 6.3% were technical professionals or scientists, 5 or 15.6% were in education and 16 or 50.0% were in health care.

[8] From the 2000 census[update], 416 or 51.9% were Roman Catholic, while 270 or 33.7% belonged to the Swiss Reformed Church.

The education system in the Canton of Solothurn allows young children to attend two years of non-obligatory Kindergarten.

All the lower secondary students from Horriwil attend their school in a neighboring municipality.