Dättlikon is a municipality in the district of Winterthur in the canton of Zürich in Switzerland.

Of the rest of the land, 9.6% is settled (buildings or roads) and the remainder (1.7%) is non-productive (rivers, glaciers or mountains).

As of 2007[update] 9.6% of the total municipal area was undergoing some type of construction.

[5] The municipality is located on the southern terrace of Irchel evelvation, in the lower Töss Valley.

It consists of the village of Dättlikon and the settlement Blumetshalden an der Töss.

Most of the population (as of 2000[update]) speaks German (96.8%), with English being second most common ( 0.8%) and Portuguese being third ( 0.6%).