Kölliken

Kölliken
Kölliken village Protestant church
Location of Kölliken
Kölliken
Kölliken
Coordinates: 47°20′N 8°1′E / 47.333°N 8.017°E / 47.333; 8.017
CountrySwitzerland
CantonAargau
DistrictZofingen
Area
 • Total
8.89 km2 (3.43 sq mi)
Elevation
430 m (1,410 ft)
Population
 (December 2006)
 • Total
4,048
 • Density455/km2 (1,180/sq mi)
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
Postal code
5742
SFOS number4276
ISO 3166 codeCH-AG
Surrounded byGretzenbach (SO), Holziken, Muhen, Oberentfelden, Safenwil, Uerkheim
Websitewww.koelliken.ch

Kölliken is a municipality in the district of Zofingen in the canton of Aargau in Switzerland. It was also home to one of the two most toxic hazardous waste landfills in all of Switzerland. The other site is in Bonfol, Canton Jura.