Linn is a former municipality in the district of Brugg in canton of Aargau in Switzerland.

By the end of the 20th century there were seven farms, while most other workers in the region were working in Brugg.

[2] Linn had an area, as of 2009[update], of 2.55 square kilometers (0.98 sq mi).

42.4% of the total land area is heavily forested and 2.0% is covered with orchards or small clusters of trees.

[3] The former municipality is located in the Brugg district, on a plateau of the Bözberg and south-west of the pass over the mountain.

The blazon of the municipal coat of arms is Argent on a Mount Vert a Linden Tree of the same trunked and eradicated proper.

[7] The age distribution, as of 2008[update], in Linn is; 14 children or 10.1% of the population are between 0 and 9 years old and 17 teenagers or 12.3% are between 10 and 19.

[9] About 72.5% 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).

[11] The historical population is given in the following table:[2] The village of Linn is designated as part of the Inventory of Swiss Heritage Sites.

[7] From the 2000 census[update], 24 or 21.4% were Roman Catholic, while 78 or 69.6% belonged to the Swiss Reformed Church.