Stein is a municipality in the district of Rheinfelden in the canton of Aargau, Switzerland.

The town lies across the Rhine River from Bad Säckingen in the German state of Baden-Württemberg.

Stein has an area, as of 2009[update], of 2.81 square kilometers (1.08 sq mi).

[3] Of the built up area, industrial buildings comprise approximately 8.9% of the total area; housing and buildings account for 13.9% transportation infrastructure, 13.5%, parks, with green belts and sports fields making up 2.1%.

[3] The blazon of the municipal coat of arms is Gules a Fiddle Argent bendwise with neck downwards.

[7] The age distribution, as of 2008[update], in Stein is; 248 children or 8.8% of the population are between 0 and 9 years old and 317 teenagers or 11.2% are between 10 and 19.

[9] About 38.7% of the total households were owner occupied, or in other words did not pay rent (though they may have a mortgage or a rent-to-own agreement).

[13] The historical population is given in the following table:[8] The Säckingerbrücke (wooden bridge) at Schaffhauserstrasse is listed as a Swiss heritage site of national significance.

[7] From the 2000 census[update], 1,100 or 45.6% were Roman Catholic, while 688 or 28.5% belonged to the Swiss Reformed Church.