Zofingen (French: Zofingue) is a city in the canton of Aargau in Switzerland.

Zofingen is a walled city and home of an ancient monastic settlement.

Zofingen has an area, as of 2009[update], of 11.09 square kilometers (4.28 sq mi).

Of the rest of the land, 3.67 km2 (1.42 sq mi) or 33.1% is settled (buildings or roads), 0.07 km2 (17 acres) or 0.6% is either rivers or lakes.

[4] The blazon of the municipal coat of arms is Barry of Four Gules and Argent.

Most of the population (as of 2000[update]) speaks German (88.9%), with Italian being second most common ( 3.4%) and Portuguese being third ( 1.4%).

[8] The age distribution, as of 2008[update], in Zofingen is; 895 children or 8.4% of the population are between 0 and 9 years old and 1,010 teenagers or 9.5% are between 10 and 19.

The oldest is the Roman era farm house with mosaic floors at Hirzeberg.

The former armory at General-Guisan-Strasse 12 and the former Quarantine house (German: Siechenhaus) at Aarburgerstrasse 21 are also on the list.

The rest of the list includes; Heiternplatz (Heitern plaza), the small monastery (German: Klösterli) at Klösterligasse 2, The City Hall Building at Rathausgasse 4 and a dairy farm at Hintere Hauptstrasse 9, 14.

[14] The entire village of Zofingen is designated as part of the Inventory of Swiss Heritage Sites.

These include Ringier AG, one of the largest media corporations, Siegfried Ltd, a manufacturer for the pharmaceutical industry, and Muller Martini, a global company that manufactures print finishing systems.

[8] From the 2000 census[update], 2,879 or 30.5% were Roman Catholic, while 4,659 or 49.4% belonged to the Swiss Reformed Church.