Hunzenschwil is a municipality in the district of Lenzburg in the canton of Aargau in Switzerland.

The low court right was held by various owners before 1412 when it went to the Habsburg appointed Vogt at Lenzburg.

Although the municipality is on the road between Bern and Zurich and at the junction that goes toward Zurzach, in the past it was dominated by agriculture.

In the 18th and 19th centuries some textile processing (linen, cotton, silk ribbons) businesses entered the village.

Of the rest of the land, 1.34 km2 (0.52 sq mi) or 41.1% is settled (buildings or roads), 0.01 km2 (2.5 acres) or 0.3% is either rivers or lakes.

The blazon of the municipal coat of arms is Azure a Greyhound salient Or.

[8] The age distribution, as of 2008[update], in Hunzenschwil is; 282 children or 9.4% of the population are between 0 and 9 years old and 329 teenagers or 10.9% are between 10 and 19.

[10] About 55.6% 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).

[8] In the 2007 federal election the most popular party was the SVP which received 50.8% of the vote.

[8] The historical population is given in the following table:[3] The Ziegelmatte / Zotzelacker, a Roman era brickyard is listed as a Swiss heritage site of national significance.

[8] From the 2000 census[update], 659 or 25.6% were Roman Catholic, while 1,306 or 50.7% belonged to the Swiss Reformed Church.

The library was open a total of 76 days with average of 3 hours per week during that year.