Oeschgen is a municipality in the district of Laufenburg in the canton of Aargau in Switzerland.

In the Second World War an internment camp for Polish soldiers was built near the village.

[3] The Lords of Schönau held the patronage right of the church of St. Cosmas and St. Damian.

[3] Oeschgen has an area, as of 2009[update], of 4.38 square kilometers (1.69 sq mi).

[4] The municipality is located in the Laufenburg district, in the upper Fricktal (Frick river valley).

The blazon of the municipal coat of arms is Per fess Sable and Or three Annulets counterchanged.

Most of the population (as of 2000[update]) speaks German (93.4%), with Italian being second most common ( 2.3%) and Albanian being third ( 1.5%).

[8] The age distribution, as of 2008[update], in Oeschgen is; 106 children or 11.6% of the population are between 0 and 9 years old and 117 teenagers or 12.8% are between 10 and 19.

[10] About 66.2% 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).

[12] The historical population is given in the following table:[3] As of  2007[update], Oeschgen had an unemployment rate of 1.03%.

[8] From the 2000 census[update], 516 or 64.7% were Roman Catholic, while 165 or 20.7% belonged to the Swiss Reformed Church.