Islisberg is a municipality in the district of Bremgarten in the canton of Aargau in Switzerland.

After 1415, Zurich exerted the rights to high justice over the Kelleramt, including Islisberg.

[4] Islisberg has an area, as of 2006[update], of 1.7 square kilometers (0.66 sq mi).

[5] The municipality is located in the Bremgarten district at the eastern edge of the canton.

Most of the population (as of 2000[update]) speaks German (94.1%), with English being second most common ( 2.7%) and Dutch being third ( 0.7%).

[5] The age distribution, as of 2008[update], in Islisberg is; 65 children or 12.8% of the population are between 0 and 9 years old and 58 teenagers or 11.4% are between 10 and 19.

[10] About 57.1% 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).

[5] In the 2007 federal election the most popular party was the SVP which received 37.4% of the vote.

[12] The historical population is given in the following table:[3] As of  2007[update], Islisberg had an unemployment rate of 1.87%.

[5] From the 2000 census[update], 222 or 54.8% were Roman Catholic, while 105 or 25.9% belonged to the Swiss Reformed Church.