Dörpen Government • Mayor Hermann Borchers (CDU) Area • Total 25.26 km2 (9.75 sq mi) Elevation 10 m (30 ft) Population (2015-12-31)[1] • Total 1,628 • Density 64/km2 (170/sq mi) Time zone CET/CEST (UTC+1/+2) Postal codes 26892 Dialling codes 04963, 04966, 05933 Vehicle registration EL