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

While Iberg Castle was built in the 11th Century and abandoned in 1200, the village of Riniken is first mentioned in 1253 as Rinikon.

In 1967 the village received a private cemetery, and in 1978 an ecumenical ecclesiastical center.

Starting in 1712, there was a migration of villagers to Dättwil (now part of Baden), as agriculture offered very little money.

The recent population growth is mainly due to commuters who have moved into the municipality.

The blazon of the municipal coat of arms is Or a Pine Tree Vert trunked proper issuant from Coupeaux of the second.

[8] The age distribution, as of 2008[update], in Riniken is; 126 children or 8.9% of the population are between 0 and 9 years old and 165 teenagers or 11.7% are between 10 and 19.

[8] In the 2007 federal election the most popular party was the SVP which received 35.3% of the vote.

[8] From the 2000 census[update], 416 or 30.4% were Roman Catholic, while 713 or 52.1% belonged to the Swiss Reformed Church.