Uzwil is a municipality in the Wahlkreis (constituency) of Wil in the canton of St. Gallen in Switzerland.

Of the rest of the land, 26.8% is settled (buildings or roads) and the remainder (1.7%) is non-productive (rivers or lakes).

[3] The municipality consists of the villages Niederuzwil, Uzwil, Henau, Algetshausen, Niederstetten, Oberstetten and Stolzenberg.

The blazon of the municipal coat of arms is Azure a lower semi Mill Wheel and above it Ears of Wheat Or.

Of the foreign population, (as of 2000[update]), 198 are from Germany, 400 are from Italy, 1,587 are from ex-Yugoslavia, 74 are from Austria, 202 are from Turkey, and 270 are from another country.

[7] The age distribution, as of 2000[update], in Uzwil is; 1,558 children or 13.0% of the population are between 0 and 9 years old and 1,688 teenagers or 14.1% are between 10 and 19.

[7] In the 2007 federal election the most popular party was the SVP which received 36.2% of the vote.

[3] Out of the total population in Uzwil, as of 2000[update], the highest education level completed by 2,754 people (23.0% of the population) was Primary, while 4,328 (36.1%) have completed their secondary education, 1,207 (10.1%) have attended a Tertiary school, and 548 (4.6%) are not in school.

From the 2000 census[update], 5,446 or 45.5% are Roman Catholic, while 3,521 or 29.4% belonged to the Swiss Reformed Church.