Rothrist is a municipality in the district of Zofingen in the canton of Aargau in Switzerland.

Originally an Alamanni settlement, the modern village of Rothrist is first mentioned in 1263 as Routris.

[3] The Herrschaft rights were held by the Counts of Frohburg until 1299, when they transferred to the Habsburgs.

[3] Throughout the Middle Ages it was part of the church parish of Zofingen kirchgenössig.

Along the rivers in the lower Pfaffner and Wigger valleys, small businesses opened in the 19th century.

Because of the economic crisis on 1855, 300 residents of the village were forced to emigrate to America.

Five years after connecting to the Olten-Bern railway line in 1857, the first large factory was built on the west boundary of the municipality.

Due to the motorway junction, a number of companies and factories settled along the access roads in the municipality.

[4] The municipality is located in the Zofingen district, along a bend in the Aare river.

The blazon of the municipal coat of arms is Gules a Ploughshare Argent between in chief two Mullets of Five of the same and Coupeaux Vert.

[8] The age distribution, as of 2008[update], in Rothrist is; 731 children or 9.6% of the population are between 0 and 9 years old and 855 teenagers or 11.3% are between 10 and 19.

[8] From the 2000 census[update], 1,674 or 24.4% were Roman Catholic, while 3,757 or 54.7% belonged to the Swiss Reformed Church.

It was open a total of 213 days with average of 8 hours per week during that year.