Hilfikon was a municipality in the district of Bremgarten in the canton of Aargau in Switzerland.

In 1628 the property was purchased by John Lussi Landamman for Unterwalden, then in 1644 it went to the Zwyer family of Evibach in Silenen.

In 1743 the village transferred by marriage to the Tschudi family of Glarus, which were deposed in 1749 by Augustin Victor Franz Roll from Solothurn.

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

Of the rest of the land, 10.4% is settled (buildings or roads) and the remainder (0.6%) is non-productive (rivers or lakes).

[3] The village is located in the Bremgarten district along the old Villmergen-Sarmenstorf road on the northern edge of the Lindenberg.

The blazon of the municipal coat of arms is Argent an Elephant Sable defendu and harnessed Or carrying a Tower embattled Gules doored and windowed of the second.

[3] The age distribution, as of 2008[update], in Hilfikon is; 24 children or 9.6% of the population are between 0 and 9 years old and 32 teenagers or 12.7% are between 10 and 19.

[8] About 73.1% 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).

[10] The historical population is given in the following table:[1] Schloss Hilfikon and chapel are listed as a Swiss heritage site of national significance.

[3] From the 2000 census[update], 143 or 63.8% were Roman Catholic, while 62 or 27.7% belonged to the Swiss Reformed Church.