Mellikon is a village and municipality in the district of Zurzach in the canton of Aargau in Switzerland.

In 1645 Jost von Roll from Uri built a mansion and Catholic chapel in Mellikon.

It still serves as a place of worship and cemetery for the von Roll family.

The limestone quarry in the village was used into the 1980s by the Schweiz Sodafabrik and then in the 1990s by the Mellikon AG company.

Starting in 1990, an industrial and business park was built west of the village.

In 1995, the village was tied into the Swiss Federal Railways Rhine Valley line.

Of the rest of the land, 0.48 km2 (0.19 sq mi) or 17.7% is settled (buildings or roads), 0.11 km2 (27 acres) or 4.1% is either rivers or lakes.

[7] The age distribution, as of 2008[update], in Mellikon is; 22 children or 8.8% of the population are between 0 and 9 years old and 39 teenagers or 15.5% are between 10 and 19.

[10] About 71.1% 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).

In the federal election, a total of 94 votes were cast, and the voter turnout was 50.8%.

[8] From the 2000 census[update], 121 or 47.1% were Roman Catholic, while 86 or 33.5% belonged to the Swiss Reformed Church.

[12] Mellikon railway station is served by Zurich S-Bahn line S36, which links Bülach and Waldshut.