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
 (31 December 2018)
  Total
4,476
  Density500/km2 (1,300/sq mi)
Time zoneUTC+01:00 (Central European Time)
  Summer (DST)UTC+02:00 (Central European Summer Time)
Postal code(s)
5742
SFOS number4276
ISO 3166 codeCH-AG
Surrounded byGretzenbach (SO), Holziken, Muhen, Oberentfelden, Safenwil, Uerkheim
Websitewww.koelliken.ch
SFSO statistics

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.