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

[3] The rights to high and low justice were held by the Habsburgs through Königsfelden Abbey.

Originally the major economic activity in Mülligen was agriculture and viticulture.

[4] The municipality is located in the Brugg district, near the Reuss river and along the southern slope of the Eiteberg.

The blazon of the municipal coat of arms is Or a Mill Wheel Sable and Coupeaux.

The coat of arms of Mülligen is an example of canting because of the mill wheel (German: Mühlrad).

[8] The age distribution, as of 2008[update], in Mülligen is; 91 children or 9.8% of the population are between 0 and 9 years old and 121 teenagers or 13.0% are between 10 and 19.

[10] About 54.7% 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], Mülligen had an unemployment rate of 1.44%.

[8] From the 2000 census[update], 271 or 34.7% were Roman Catholic, while 411 or 52.7% belonged to the Swiss Reformed Church.

The wettest month is August during which time Mülligen receives an average of 113 mm (4.4 in) of rain or snow.

The driest month of the year is October with an average of 70 mm (2.8 in) of precipitation over 11.7 days.