Remetschwil is a municipality in the district of Baden in the canton of Aargau in Switzerland.

[3] In 1854 the independent municipality was created when Rohrdorf split into Niederrohrdorf, Oberrohrdorf and Remetschwil.

Of the rest of the land, 16.4% is settled (buildings or roads) and the remainder (0.3%) is non-productive (rivers or lakes).

It consists of the village of Remetschwil and the hamlets of Busslingen in the Reuss valley and Sennhof on the Heitersberg.

[5] The age distribution, as of 2008[update], in Remetschwil is; 226 children or 11.5% of the population are between 0 and 9 years old and 266 teenagers or 13.6% are between 10 and 19.

[12] From the 2000 census[update], 830 or 47.2% are Roman Catholic, while 568 or 32.3% belonged to the Swiss Reformed Church.